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TOMOYO Linux Cross Reference
Linux/sound/usb/quirks.c

Version: ~ [ linux-6.11.5 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.58 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.114 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.169 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.228 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.284 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.322 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /sound/usb/quirks.c (Version linux-6.11.5) and /sound/usb/quirks.c (Version linux-5.0.21)


  1 // SPDX-License-Identifier: GPL-2.0-or-later   << 
  2 /*                                                  1 /*
                                                   >>   2  *   This program is free software; you can redistribute it and/or modify
                                                   >>   3  *   it under the terms of the GNU General Public License as published by
                                                   >>   4  *   the Free Software Foundation; either version 2 of the License, or
                                                   >>   5  *   (at your option) any later version.
                                                   >>   6  *
                                                   >>   7  *   This program is distributed in the hope that it will be useful,
                                                   >>   8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                                                   >>   9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                                                   >>  10  *   GNU General Public License for more details.
                                                   >>  11  *
                                                   >>  12  *   You should have received a copy of the GNU General Public License
                                                   >>  13  *   along with this program; if not, write to the Free Software
                                                   >>  14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  3  */                                                15  */
  4                                                    16 
  5 #include <linux/init.h>                            17 #include <linux/init.h>
  6 #include <linux/slab.h>                            18 #include <linux/slab.h>
  7 #include <linux/usb.h>                             19 #include <linux/usb.h>
  8 #include <linux/usb/audio.h>                       20 #include <linux/usb/audio.h>
  9 #include <linux/usb/midi.h>                        21 #include <linux/usb/midi.h>
 10 #include <linux/bits.h>                            22 #include <linux/bits.h>
 11                                                    23 
 12 #include <sound/control.h>                         24 #include <sound/control.h>
 13 #include <sound/core.h>                            25 #include <sound/core.h>
 14 #include <sound/info.h>                            26 #include <sound/info.h>
 15 #include <sound/pcm.h>                             27 #include <sound/pcm.h>
 16                                                    28 
 17 #include "usbaudio.h"                              29 #include "usbaudio.h"
 18 #include "card.h"                                  30 #include "card.h"
 19 #include "mixer.h"                                 31 #include "mixer.h"
 20 #include "mixer_quirks.h"                          32 #include "mixer_quirks.h"
 21 #include "midi.h"                                  33 #include "midi.h"
 22 #include "midi2.h"                             << 
 23 #include "quirks.h"                                34 #include "quirks.h"
 24 #include "helper.h"                                35 #include "helper.h"
 25 #include "endpoint.h"                              36 #include "endpoint.h"
 26 #include "pcm.h"                                   37 #include "pcm.h"
 27 #include "clock.h"                                 38 #include "clock.h"
 28 #include "stream.h"                                39 #include "stream.h"
 29                                                    40 
 30 /*                                                 41 /*
 31  * handle the quirks for the contained interfa     42  * handle the quirks for the contained interfaces
 32  */                                                43  */
 33 static int create_composite_quirk(struct snd_u     44 static int create_composite_quirk(struct snd_usb_audio *chip,
 34                                   struct usb_i     45                                   struct usb_interface *iface,
 35                                   struct usb_d     46                                   struct usb_driver *driver,
 36                                   const struct     47                                   const struct snd_usb_audio_quirk *quirk_comp)
 37 {                                                  48 {
 38         int probed_ifnum = get_iface_desc(ifac     49         int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
 39         const struct snd_usb_audio_quirk *quir     50         const struct snd_usb_audio_quirk *quirk;
 40         int err;                                   51         int err;
 41                                                    52 
 42         for (quirk = quirk_comp->data; quirk->     53         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
 43                 iface = usb_ifnum_to_if(chip->     54                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
 44                 if (!iface)                        55                 if (!iface)
 45                         continue;                  56                         continue;
 46                 if (quirk->ifnum != probed_ifn     57                 if (quirk->ifnum != probed_ifnum &&
 47                     usb_interface_claimed(ifac     58                     usb_interface_claimed(iface))
 48                         continue;                  59                         continue;
 49                 err = snd_usb_create_quirk(chi     60                 err = snd_usb_create_quirk(chip, iface, driver, quirk);
 50                 if (err < 0)                       61                 if (err < 0)
 51                         return err;                62                         return err;
 52         }                                          63         }
 53                                                    64 
 54         for (quirk = quirk_comp->data; quirk->     65         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
 55                 iface = usb_ifnum_to_if(chip->     66                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
 56                 if (!iface)                        67                 if (!iface)
 57                         continue;                  68                         continue;
 58                 if (quirk->ifnum != probed_ifn     69                 if (quirk->ifnum != probed_ifnum &&
 59                     !usb_interface_claimed(ifa !!  70                     !usb_interface_claimed(iface))
 60                         err = usb_driver_claim !!  71                         usb_driver_claim_interface(driver, iface, (void *)-1L);
 61                                                << 
 62                         if (err < 0)           << 
 63                                 return err;    << 
 64                 }                              << 
 65         }                                          72         }
 66                                                    73 
 67         return 0;                                  74         return 0;
 68 }                                                  75 }
 69                                                    76 
 70 static int ignore_interface_quirk(struct snd_u     77 static int ignore_interface_quirk(struct snd_usb_audio *chip,
 71                                   struct usb_i     78                                   struct usb_interface *iface,
 72                                   struct usb_d     79                                   struct usb_driver *driver,
 73                                   const struct     80                                   const struct snd_usb_audio_quirk *quirk)
 74 {                                                  81 {
 75         return 0;                                  82         return 0;
 76 }                                                  83 }
 77                                                    84 
 78                                                    85 
                                                   >>  86 /*
                                                   >>  87  * Allow alignment on audio sub-slot (channel samples) rather than
                                                   >>  88  * on audio slots (audio frames)
                                                   >>  89  */
                                                   >>  90 static int create_align_transfer_quirk(struct snd_usb_audio *chip,
                                                   >>  91                                        struct usb_interface *iface,
                                                   >>  92                                        struct usb_driver *driver,
                                                   >>  93                                        const struct snd_usb_audio_quirk *quirk)
                                                   >>  94 {
                                                   >>  95         chip->txfr_quirk = 1;
                                                   >>  96         return 1;       /* Continue with creating streams and mixer */
                                                   >>  97 }
                                                   >>  98 
 79 static int create_any_midi_quirk(struct snd_us     99 static int create_any_midi_quirk(struct snd_usb_audio *chip,
 80                                  struct usb_in    100                                  struct usb_interface *intf,
 81                                  struct usb_dr    101                                  struct usb_driver *driver,
 82                                  const struct     102                                  const struct snd_usb_audio_quirk *quirk)
 83 {                                                 103 {
 84         return snd_usb_midi_v2_create(chip, in !! 104         return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
 85 }                                                 105 }
 86                                                   106 
 87 /*                                                107 /*
 88  * create a stream for an interface with prope    108  * create a stream for an interface with proper descriptors
 89  */                                               109  */
 90 static int create_standard_audio_quirk(struct     110 static int create_standard_audio_quirk(struct snd_usb_audio *chip,
 91                                        struct     111                                        struct usb_interface *iface,
 92                                        struct     112                                        struct usb_driver *driver,
 93                                        const s    113                                        const struct snd_usb_audio_quirk *quirk)
 94 {                                                 114 {
 95         struct usb_host_interface *alts;          115         struct usb_host_interface *alts;
 96         struct usb_interface_descriptor *altsd    116         struct usb_interface_descriptor *altsd;
 97         int err;                                  117         int err;
 98                                                   118 
                                                   >> 119         if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */
                                                   >> 120                 chip->tx_length_quirk = 1;
                                                   >> 121 
 99         alts = &iface->altsetting[0];             122         alts = &iface->altsetting[0];
100         altsd = get_iface_desc(alts);             123         altsd = get_iface_desc(alts);
101         err = snd_usb_parse_audio_interface(ch    124         err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
102         if (err < 0) {                            125         if (err < 0) {
103                 usb_audio_err(chip, "cannot se    126                 usb_audio_err(chip, "cannot setup if %d: error %d\n",
104                            altsd->bInterfaceNu    127                            altsd->bInterfaceNumber, err);
105                 return err;                       128                 return err;
106         }                                         129         }
107         /* reset the current interface */         130         /* reset the current interface */
108         usb_set_interface(chip->dev, altsd->bI    131         usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
109         return 0;                                 132         return 0;
110 }                                                 133 }
111                                                   134 
112 /* create the audio stream and the correspondi << 
113  * audioformat object; this is used for quirks << 
114  */                                            << 
115 static int add_audio_stream_from_fixed_fmt(str << 
116                                            str << 
117 {                                              << 
118         int stream, err;                       << 
119                                                << 
120         stream = (fp->endpoint & USB_DIR_IN) ? << 
121                 SNDRV_PCM_STREAM_CAPTURE : SND << 
122                                                << 
123         snd_usb_audioformat_set_sync_ep(chip,  << 
124                                                << 
125         err = snd_usb_add_audio_stream(chip, s << 
126         if (err < 0)                           << 
127                 return err;                    << 
128                                                << 
129         err = snd_usb_add_endpoint(chip, fp->e << 
130                                    SND_USB_END << 
131         if (err < 0)                           << 
132                 return err;                    << 
133                                                << 
134         if (fp->sync_ep) {                     << 
135                 err = snd_usb_add_endpoint(chi << 
136                                            fp- << 
137                                            SND << 
138                                            SND << 
139                 if (err < 0)                   << 
140                         return err;            << 
141         }                                      << 
142                                                << 
143         return 0;                              << 
144 }                                              << 
145                                                << 
146 /*                                                135 /*
147  * create a stream for an endpoint/altsetting     136  * create a stream for an endpoint/altsetting without proper descriptors
148  */                                               137  */
149 static int create_fixed_stream_quirk(struct sn    138 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
150                                      struct us    139                                      struct usb_interface *iface,
151                                      struct us    140                                      struct usb_driver *driver,
152                                      const str    141                                      const struct snd_usb_audio_quirk *quirk)
153 {                                                 142 {
154         struct audioformat *fp;                   143         struct audioformat *fp;
155         struct usb_host_interface *alts;          144         struct usb_host_interface *alts;
156         struct usb_interface_descriptor *altsd    145         struct usb_interface_descriptor *altsd;
                                                   >> 146         int stream, err;
157         unsigned *rate_table = NULL;              147         unsigned *rate_table = NULL;
158         int err;                               << 
159                                                   148 
160         fp = kmemdup(quirk->data, sizeof(*fp),    149         fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
161         if (!fp)                                  150         if (!fp)
162                 return -ENOMEM;                   151                 return -ENOMEM;
163                                                   152 
164         INIT_LIST_HEAD(&fp->list);                153         INIT_LIST_HEAD(&fp->list);
165         if (fp->nr_rates > MAX_NR_RATES) {        154         if (fp->nr_rates > MAX_NR_RATES) {
166                 kfree(fp);                        155                 kfree(fp);
167                 return -EINVAL;                   156                 return -EINVAL;
168         }                                         157         }
169         if (fp->nr_rates > 0) {                   158         if (fp->nr_rates > 0) {
170                 rate_table = kmemdup(fp->rate_    159                 rate_table = kmemdup(fp->rate_table,
171                                      sizeof(in    160                                      sizeof(int) * fp->nr_rates, GFP_KERNEL);
172                 if (!rate_table) {                161                 if (!rate_table) {
173                         kfree(fp);                162                         kfree(fp);
174                         return -ENOMEM;           163                         return -ENOMEM;
175                 }                                 164                 }
176                 fp->rate_table = rate_table;      165                 fp->rate_table = rate_table;
177         }                                         166         }
178                                                   167 
                                                   >> 168         stream = (fp->endpoint & USB_DIR_IN)
                                                   >> 169                 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
                                                   >> 170         err = snd_usb_add_audio_stream(chip, stream, fp);
                                                   >> 171         if (err < 0)
                                                   >> 172                 goto error;
179         if (fp->iface != get_iface_desc(&iface    173         if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
180             fp->altset_idx >= iface->num_altse    174             fp->altset_idx >= iface->num_altsetting) {
181                 err = -EINVAL;                    175                 err = -EINVAL;
182                 goto error;                       176                 goto error;
183         }                                         177         }
184         alts = &iface->altsetting[fp->altset_i    178         alts = &iface->altsetting[fp->altset_idx];
185         altsd = get_iface_desc(alts);             179         altsd = get_iface_desc(alts);
186         if (altsd->bNumEndpoints <= fp->ep_idx !! 180         if (altsd->bNumEndpoints < 1) {
187                 err = -EINVAL;                    181                 err = -EINVAL;
188                 goto error;                       182                 goto error;
189         }                                         183         }
190                                                   184 
191         fp->protocol = altsd->bInterfaceProtoc    185         fp->protocol = altsd->bInterfaceProtocol;
192                                                   186 
193         if (fp->datainterval == 0)                187         if (fp->datainterval == 0)
194                 fp->datainterval = snd_usb_par    188                 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
195         if (fp->maxpacksize == 0)                 189         if (fp->maxpacksize == 0)
196                 fp->maxpacksize = le16_to_cpu( !! 190                 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
197         if (!fp->fmt_type)                     << 
198                 fp->fmt_type = UAC_FORMAT_TYPE << 
199                                                << 
200         err = add_audio_stream_from_fixed_fmt( << 
201         if (err < 0)                           << 
202                 goto error;                    << 
203                                                << 
204         usb_set_interface(chip->dev, fp->iface    191         usb_set_interface(chip->dev, fp->iface, 0);
205         snd_usb_init_pitch(chip, fp);          !! 192         snd_usb_init_pitch(chip, fp->iface, alts, fp);
206         snd_usb_init_sample_rate(chip, fp, fp- !! 193         snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
207         return 0;                                 194         return 0;
208                                                   195 
209  error:                                           196  error:
210         list_del(&fp->list); /* unlink for avo    197         list_del(&fp->list); /* unlink for avoiding double-free */
211         kfree(fp);                                198         kfree(fp);
212         kfree(rate_table);                        199         kfree(rate_table);
213         return err;                               200         return err;
214 }                                                 201 }
215                                                   202 
216 static int create_auto_pcm_quirk(struct snd_us    203 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
217                                  struct usb_in    204                                  struct usb_interface *iface,
218                                  struct usb_dr    205                                  struct usb_driver *driver)
219 {                                                 206 {
220         struct usb_host_interface *alts;          207         struct usb_host_interface *alts;
221         struct usb_interface_descriptor *altsd    208         struct usb_interface_descriptor *altsd;
222         struct usb_endpoint_descriptor *epd;      209         struct usb_endpoint_descriptor *epd;
223         struct uac1_as_header_descriptor *ashd    210         struct uac1_as_header_descriptor *ashd;
224         struct uac_format_type_i_discrete_desc    211         struct uac_format_type_i_discrete_descriptor *fmtd;
225                                                   212 
226         /*                                        213         /*
227          * Most Roland/Yamaha audio streaming     214          * Most Roland/Yamaha audio streaming interfaces have more or less
228          * standard descriptors, but older dev    215          * standard descriptors, but older devices might lack descriptors, and
229          * future ones might change, so ensure    216          * future ones might change, so ensure that we fail silently if the
230          * interface doesn't look exactly righ    217          * interface doesn't look exactly right.
231          */                                       218          */
232                                                   219 
233         /* must have a non-zero altsetting for    220         /* must have a non-zero altsetting for streaming */
234         if (iface->num_altsetting < 2)            221         if (iface->num_altsetting < 2)
235                 return -ENODEV;                   222                 return -ENODEV;
236         alts = &iface->altsetting[1];             223         alts = &iface->altsetting[1];
237         altsd = get_iface_desc(alts);             224         altsd = get_iface_desc(alts);
238                                                   225 
239         /* must have an isochronous endpoint f    226         /* must have an isochronous endpoint for streaming */
240         if (altsd->bNumEndpoints < 1)             227         if (altsd->bNumEndpoints < 1)
241                 return -ENODEV;                   228                 return -ENODEV;
242         epd = get_endpoint(alts, 0);              229         epd = get_endpoint(alts, 0);
243         if (!usb_endpoint_xfer_isoc(epd))         230         if (!usb_endpoint_xfer_isoc(epd))
244                 return -ENODEV;                   231                 return -ENODEV;
245                                                   232 
246         /* must have format descriptors */        233         /* must have format descriptors */
247         ashd = snd_usb_find_csint_desc(alts->e    234         ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
248                                        UAC_AS_    235                                        UAC_AS_GENERAL);
249         fmtd = snd_usb_find_csint_desc(alts->e    236         fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
250                                        UAC_FOR    237                                        UAC_FORMAT_TYPE);
251         if (!ashd || ashd->bLength < 7 ||         238         if (!ashd || ashd->bLength < 7 ||
252             !fmtd || fmtd->bLength < 8)           239             !fmtd || fmtd->bLength < 8)
253                 return -ENODEV;                   240                 return -ENODEV;
254                                                   241 
255         return create_standard_audio_quirk(chi    242         return create_standard_audio_quirk(chip, iface, driver, NULL);
256 }                                                 243 }
257                                                   244 
258 static int create_yamaha_midi_quirk(struct snd    245 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
259                                     struct usb    246                                     struct usb_interface *iface,
260                                     struct usb    247                                     struct usb_driver *driver,
261                                     struct usb    248                                     struct usb_host_interface *alts)
262 {                                                 249 {
263         static const struct snd_usb_audio_quir    250         static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
264                 .type = QUIRK_MIDI_YAMAHA         251                 .type = QUIRK_MIDI_YAMAHA
265         };                                        252         };
266         struct usb_midi_in_jack_descriptor *in    253         struct usb_midi_in_jack_descriptor *injd;
267         struct usb_midi_out_jack_descriptor *o    254         struct usb_midi_out_jack_descriptor *outjd;
268                                                   255 
269         /* must have some valid jack descripto    256         /* must have some valid jack descriptors */
270         injd = snd_usb_find_csint_desc(alts->e    257         injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
271                                        NULL, U    258                                        NULL, USB_MS_MIDI_IN_JACK);
272         outjd = snd_usb_find_csint_desc(alts->    259         outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
273                                         NULL,     260                                         NULL, USB_MS_MIDI_OUT_JACK);
274         if (!injd && !outjd)                      261         if (!injd && !outjd)
275                 return -ENODEV;                   262                 return -ENODEV;
276         if ((injd && !snd_usb_validate_midi_de << 
277             (outjd && !snd_usb_validate_midi_d << 
278                 return -ENODEV;                << 
279         if (injd && (injd->bLength < 5 ||         263         if (injd && (injd->bLength < 5 ||
280                      (injd->bJackType != USB_M    264                      (injd->bJackType != USB_MS_EMBEDDED &&
281                       injd->bJackType != USB_M    265                       injd->bJackType != USB_MS_EXTERNAL)))
282                 return -ENODEV;                   266                 return -ENODEV;
283         if (outjd && (outjd->bLength < 6 ||       267         if (outjd && (outjd->bLength < 6 ||
284                       (outjd->bJackType != USB    268                       (outjd->bJackType != USB_MS_EMBEDDED &&
285                        outjd->bJackType != USB    269                        outjd->bJackType != USB_MS_EXTERNAL)))
286                 return -ENODEV;                   270                 return -ENODEV;
287         return create_any_midi_quirk(chip, ifa    271         return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
288 }                                                 272 }
289                                                   273 
290 static int create_roland_midi_quirk(struct snd    274 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
291                                     struct usb    275                                     struct usb_interface *iface,
292                                     struct usb    276                                     struct usb_driver *driver,
293                                     struct usb    277                                     struct usb_host_interface *alts)
294 {                                                 278 {
295         static const struct snd_usb_audio_quir    279         static const struct snd_usb_audio_quirk roland_midi_quirk = {
296                 .type = QUIRK_MIDI_ROLAND         280                 .type = QUIRK_MIDI_ROLAND
297         };                                        281         };
298         u8 *roland_desc = NULL;                   282         u8 *roland_desc = NULL;
299                                                   283 
300         /* might have a vendor-specific descri    284         /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
301         for (;;) {                                285         for (;;) {
302                 roland_desc = snd_usb_find_csi    286                 roland_desc = snd_usb_find_csint_desc(alts->extra,
303                                                   287                                                       alts->extralen,
304                                                   288                                                       roland_desc, 0xf1);
305                 if (!roland_desc)                 289                 if (!roland_desc)
306                         return -ENODEV;           290                         return -ENODEV;
307                 if (roland_desc[0] < 6 || rola    291                 if (roland_desc[0] < 6 || roland_desc[3] != 2)
308                         continue;                 292                         continue;
309                 return create_any_midi_quirk(c    293                 return create_any_midi_quirk(chip, iface, driver,
310                                              &    294                                              &roland_midi_quirk);
311         }                                         295         }
312 }                                                 296 }
313                                                   297 
314 static int create_std_midi_quirk(struct snd_us    298 static int create_std_midi_quirk(struct snd_usb_audio *chip,
315                                  struct usb_in    299                                  struct usb_interface *iface,
316                                  struct usb_dr    300                                  struct usb_driver *driver,
317                                  struct usb_ho    301                                  struct usb_host_interface *alts)
318 {                                                 302 {
319         struct usb_ms_header_descriptor *mshd;    303         struct usb_ms_header_descriptor *mshd;
320         struct usb_ms_endpoint_descriptor *mse    304         struct usb_ms_endpoint_descriptor *msepd;
321                                                   305 
322         /* must have the MIDIStreaming interfa    306         /* must have the MIDIStreaming interface header descriptor*/
323         mshd = (struct usb_ms_header_descripto    307         mshd = (struct usb_ms_header_descriptor *)alts->extra;
324         if (alts->extralen < 7 ||                 308         if (alts->extralen < 7 ||
325             mshd->bLength < 7 ||                  309             mshd->bLength < 7 ||
326             mshd->bDescriptorType != USB_DT_CS    310             mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
327             mshd->bDescriptorSubtype != USB_MS    311             mshd->bDescriptorSubtype != USB_MS_HEADER)
328                 return -ENODEV;                   312                 return -ENODEV;
329         /* must have the MIDIStreaming endpoin    313         /* must have the MIDIStreaming endpoint descriptor*/
330         msepd = (struct usb_ms_endpoint_descri    314         msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
331         if (alts->endpoint[0].extralen < 4 ||     315         if (alts->endpoint[0].extralen < 4 ||
332             msepd->bLength < 4 ||                 316             msepd->bLength < 4 ||
333             msepd->bDescriptorType != USB_DT_C    317             msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
334             msepd->bDescriptorSubtype != UAC_M    318             msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
335             msepd->bNumEmbMIDIJack < 1 ||         319             msepd->bNumEmbMIDIJack < 1 ||
336             msepd->bNumEmbMIDIJack > 16)          320             msepd->bNumEmbMIDIJack > 16)
337                 return -ENODEV;                   321                 return -ENODEV;
338                                                   322 
339         return create_any_midi_quirk(chip, ifa    323         return create_any_midi_quirk(chip, iface, driver, NULL);
340 }                                                 324 }
341                                                   325 
342 static int create_auto_midi_quirk(struct snd_u    326 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
343                                   struct usb_i    327                                   struct usb_interface *iface,
344                                   struct usb_d    328                                   struct usb_driver *driver)
345 {                                                 329 {
346         struct usb_host_interface *alts;          330         struct usb_host_interface *alts;
347         struct usb_interface_descriptor *altsd    331         struct usb_interface_descriptor *altsd;
348         struct usb_endpoint_descriptor *epd;      332         struct usb_endpoint_descriptor *epd;
349         int err;                                  333         int err;
350                                                   334 
351         alts = &iface->altsetting[0];             335         alts = &iface->altsetting[0];
352         altsd = get_iface_desc(alts);             336         altsd = get_iface_desc(alts);
353                                                   337 
354         /* must have at least one bulk/interru    338         /* must have at least one bulk/interrupt endpoint for streaming */
355         if (altsd->bNumEndpoints < 1)             339         if (altsd->bNumEndpoints < 1)
356                 return -ENODEV;                   340                 return -ENODEV;
357         epd = get_endpoint(alts, 0);              341         epd = get_endpoint(alts, 0);
358         if (!usb_endpoint_xfer_bulk(epd) &&       342         if (!usb_endpoint_xfer_bulk(epd) &&
359             !usb_endpoint_xfer_int(epd))          343             !usb_endpoint_xfer_int(epd))
360                 return -ENODEV;                   344                 return -ENODEV;
361                                                   345 
362         switch (USB_ID_VENDOR(chip->usb_id)) {    346         switch (USB_ID_VENDOR(chip->usb_id)) {
363         case 0x0499: /* Yamaha */                 347         case 0x0499: /* Yamaha */
364                 err = create_yamaha_midi_quirk    348                 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
365                 if (err != -ENODEV)               349                 if (err != -ENODEV)
366                         return err;               350                         return err;
367                 break;                            351                 break;
368         case 0x0582: /* Roland */                 352         case 0x0582: /* Roland */
369                 err = create_roland_midi_quirk    353                 err = create_roland_midi_quirk(chip, iface, driver, alts);
370                 if (err != -ENODEV)               354                 if (err != -ENODEV)
371                         return err;               355                         return err;
372                 break;                            356                 break;
373         }                                         357         }
374                                                   358 
375         return create_std_midi_quirk(chip, ifa    359         return create_std_midi_quirk(chip, iface, driver, alts);
376 }                                                 360 }
377                                                   361 
378 static int create_autodetect_quirk(struct snd_    362 static int create_autodetect_quirk(struct snd_usb_audio *chip,
379                                    struct usb_    363                                    struct usb_interface *iface,
380                                    struct usb_ !! 364                                    struct usb_driver *driver)
381                                    const struc << 
382 {                                                 365 {
383         int err;                                  366         int err;
384                                                   367 
385         err = create_auto_pcm_quirk(chip, ifac    368         err = create_auto_pcm_quirk(chip, iface, driver);
386         if (err == -ENODEV)                       369         if (err == -ENODEV)
387                 err = create_auto_midi_quirk(c    370                 err = create_auto_midi_quirk(chip, iface, driver);
388         return err;                               371         return err;
389 }                                                 372 }
390                                                   373 
                                                   >> 374 static int create_autodetect_quirks(struct snd_usb_audio *chip,
                                                   >> 375                                     struct usb_interface *iface,
                                                   >> 376                                     struct usb_driver *driver,
                                                   >> 377                                     const struct snd_usb_audio_quirk *quirk)
                                                   >> 378 {
                                                   >> 379         int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
                                                   >> 380         int ifcount, ifnum, err;
                                                   >> 381 
                                                   >> 382         err = create_autodetect_quirk(chip, iface, driver);
                                                   >> 383         if (err < 0)
                                                   >> 384                 return err;
                                                   >> 385 
                                                   >> 386         /*
                                                   >> 387          * ALSA PCM playback/capture devices cannot be registered in two steps,
                                                   >> 388          * so we have to claim the other corresponding interface here.
                                                   >> 389          */
                                                   >> 390         ifcount = chip->dev->actconfig->desc.bNumInterfaces;
                                                   >> 391         for (ifnum = 0; ifnum < ifcount; ifnum++) {
                                                   >> 392                 if (ifnum == probed_ifnum || quirk->ifnum >= 0)
                                                   >> 393                         continue;
                                                   >> 394                 iface = usb_ifnum_to_if(chip->dev, ifnum);
                                                   >> 395                 if (!iface ||
                                                   >> 396                     usb_interface_claimed(iface) ||
                                                   >> 397                     get_iface_desc(iface->altsetting)->bInterfaceClass !=
                                                   >> 398                                                         USB_CLASS_VENDOR_SPEC)
                                                   >> 399                         continue;
                                                   >> 400 
                                                   >> 401                 err = create_autodetect_quirk(chip, iface, driver);
                                                   >> 402                 if (err >= 0)
                                                   >> 403                         usb_driver_claim_interface(driver, iface, (void *)-1L);
                                                   >> 404         }
                                                   >> 405 
                                                   >> 406         return 0;
                                                   >> 407 }
                                                   >> 408 
391 /*                                                409 /*
392  * Create a stream for an Edirol UA-700/UA-25/    410  * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.  
393  * The only way to detect the sample rate is b    411  * The only way to detect the sample rate is by looking at wMaxPacketSize.
394  */                                               412  */
395 static int create_uaxx_quirk(struct snd_usb_au    413 static int create_uaxx_quirk(struct snd_usb_audio *chip,
396                              struct usb_interf    414                              struct usb_interface *iface,
397                              struct usb_driver    415                              struct usb_driver *driver,
398                              const struct snd_    416                              const struct snd_usb_audio_quirk *quirk)
399 {                                                 417 {
400         static const struct audioformat ua_for    418         static const struct audioformat ua_format = {
401                 .formats = SNDRV_PCM_FMTBIT_S2    419                 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
402                 .channels = 2,                    420                 .channels = 2,
403                 .fmt_type = UAC_FORMAT_TYPE_I,    421                 .fmt_type = UAC_FORMAT_TYPE_I,
404                 .altsetting = 1,                  422                 .altsetting = 1,
405                 .altset_idx = 1,                  423                 .altset_idx = 1,
406                 .rates = SNDRV_PCM_RATE_CONTIN    424                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
407         };                                        425         };
408         struct usb_host_interface *alts;          426         struct usb_host_interface *alts;
409         struct usb_interface_descriptor *altsd    427         struct usb_interface_descriptor *altsd;
410         struct audioformat *fp;                   428         struct audioformat *fp;
411         int err;                               !! 429         int stream, err;
412                                                   430 
413         /* both PCM and MIDI interfaces have 2    431         /* both PCM and MIDI interfaces have 2 or more altsettings */
414         if (iface->num_altsetting < 2)            432         if (iface->num_altsetting < 2)
415                 return -ENXIO;                    433                 return -ENXIO;
416         alts = &iface->altsetting[1];             434         alts = &iface->altsetting[1];
417         altsd = get_iface_desc(alts);             435         altsd = get_iface_desc(alts);
418                                                   436 
419         if (altsd->bNumEndpoints == 2) {          437         if (altsd->bNumEndpoints == 2) {
420                 static const struct snd_usb_mi    438                 static const struct snd_usb_midi_endpoint_info ua700_ep = {
421                         .out_cables = 0x0003,     439                         .out_cables = 0x0003,
422                         .in_cables  = 0x0003      440                         .in_cables  = 0x0003
423                 };                                441                 };
424                 static const struct snd_usb_au    442                 static const struct snd_usb_audio_quirk ua700_quirk = {
425                         .type = QUIRK_MIDI_FIX    443                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
426                         .data = &ua700_ep         444                         .data = &ua700_ep
427                 };                                445                 };
428                 static const struct snd_usb_mi    446                 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
429                         .out_cables = 0x0001,     447                         .out_cables = 0x0001,
430                         .in_cables  = 0x0001      448                         .in_cables  = 0x0001
431                 };                                449                 };
432                 static const struct snd_usb_au    450                 static const struct snd_usb_audio_quirk uaxx_quirk = {
433                         .type = QUIRK_MIDI_FIX    451                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
434                         .data = &uaxx_ep          452                         .data = &uaxx_ep
435                 };                                453                 };
436                 const struct snd_usb_audio_qui    454                 const struct snd_usb_audio_quirk *quirk =
437                         chip->usb_id == USB_ID    455                         chip->usb_id == USB_ID(0x0582, 0x002b)
438                         ? &ua700_quirk : &uaxx    456                         ? &ua700_quirk : &uaxx_quirk;
439                 return __snd_usbmidi_create(ch    457                 return __snd_usbmidi_create(chip->card, iface,
440                                             &c !! 458                                           &chip->midi_list, quirk,
441                                             ch !! 459                                           chip->usb_id);
442                                             &c << 
443         }                                         460         }
444                                                   461 
445         if (altsd->bNumEndpoints != 1)            462         if (altsd->bNumEndpoints != 1)
446                 return -ENXIO;                    463                 return -ENXIO;
447                                                   464 
448         fp = kmemdup(&ua_format, sizeof(*fp),     465         fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
449         if (!fp)                                  466         if (!fp)
450                 return -ENOMEM;                   467                 return -ENOMEM;
451                                                   468 
452         fp->iface = altsd->bInterfaceNumber;      469         fp->iface = altsd->bInterfaceNumber;
453         fp->endpoint = get_endpoint(alts, 0)->    470         fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
454         fp->ep_attr = get_endpoint(alts, 0)->b    471         fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
455         fp->datainterval = 0;                     472         fp->datainterval = 0;
456         fp->maxpacksize = le16_to_cpu(get_endp    473         fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
457         INIT_LIST_HEAD(&fp->list);                474         INIT_LIST_HEAD(&fp->list);
458                                                   475 
459         switch (fp->maxpacksize) {                476         switch (fp->maxpacksize) {
460         case 0x120:                               477         case 0x120:
461                 fp->rate_max = fp->rate_min =     478                 fp->rate_max = fp->rate_min = 44100;
462                 break;                            479                 break;
463         case 0x138:                               480         case 0x138:
464         case 0x140:                               481         case 0x140:
465                 fp->rate_max = fp->rate_min =     482                 fp->rate_max = fp->rate_min = 48000;
466                 break;                            483                 break;
467         case 0x258:                               484         case 0x258:
468         case 0x260:                               485         case 0x260:
469                 fp->rate_max = fp->rate_min =     486                 fp->rate_max = fp->rate_min = 96000;
470                 break;                            487                 break;
471         default:                                  488         default:
472                 usb_audio_err(chip, "unknown s    489                 usb_audio_err(chip, "unknown sample rate\n");
473                 kfree(fp);                        490                 kfree(fp);
474                 return -ENXIO;                    491                 return -ENXIO;
475         }                                         492         }
476                                                   493 
477         err = add_audio_stream_from_fixed_fmt( !! 494         stream = (fp->endpoint & USB_DIR_IN)
                                                   >> 495                 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
                                                   >> 496         err = snd_usb_add_audio_stream(chip, stream, fp);
478         if (err < 0) {                            497         if (err < 0) {
479                 list_del(&fp->list); /* unlink    498                 list_del(&fp->list); /* unlink for avoiding double-free */
480                 kfree(fp);                        499                 kfree(fp);
481                 return err;                       500                 return err;
482         }                                         501         }
483         usb_set_interface(chip->dev, fp->iface    502         usb_set_interface(chip->dev, fp->iface, 0);
484         return 0;                                 503         return 0;
485 }                                                 504 }
486                                                   505 
487 /*                                                506 /*
488  * Create a standard mixer for the specified i    507  * Create a standard mixer for the specified interface.
489  */                                               508  */
490 static int create_standard_mixer_quirk(struct     509 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
491                                        struct     510                                        struct usb_interface *iface,
492                                        struct     511                                        struct usb_driver *driver,
493                                        const s    512                                        const struct snd_usb_audio_quirk *quirk)
494 {                                                 513 {
495         if (quirk->ifnum < 0)                     514         if (quirk->ifnum < 0)
496                 return 0;                         515                 return 0;
497                                                   516 
498         return snd_usb_create_mixer(chip, quir !! 517         return snd_usb_create_mixer(chip, quirk->ifnum, 0);
499 }                                                 518 }
500                                                   519 
501 /*                                                520 /*
502  * audio-interface quirks                         521  * audio-interface quirks
503  *                                                522  *
504  * returns zero if no standard audio/MIDI pars    523  * returns zero if no standard audio/MIDI parsing is needed.
505  * returns a positive value if standard audio/    524  * returns a positive value if standard audio/midi interfaces are parsed
506  * after this.                                    525  * after this.
507  * returns a negative value at error.             526  * returns a negative value at error.
508  */                                               527  */
509 int snd_usb_create_quirk(struct snd_usb_audio     528 int snd_usb_create_quirk(struct snd_usb_audio *chip,
510                          struct usb_interface     529                          struct usb_interface *iface,
511                          struct usb_driver *dr    530                          struct usb_driver *driver,
512                          const struct snd_usb_    531                          const struct snd_usb_audio_quirk *quirk)
513 {                                                 532 {
514         typedef int (*quirk_func_t)(struct snd    533         typedef int (*quirk_func_t)(struct snd_usb_audio *,
515                                     struct usb    534                                     struct usb_interface *,
516                                     struct usb    535                                     struct usb_driver *,
517                                     const stru    536                                     const struct snd_usb_audio_quirk *);
518         static const quirk_func_t quirk_funcs[    537         static const quirk_func_t quirk_funcs[] = {
519                 [QUIRK_IGNORE_INTERFACE] = ign    538                 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
520                 [QUIRK_COMPOSITE] = create_com    539                 [QUIRK_COMPOSITE] = create_composite_quirk,
521                 [QUIRK_AUTODETECT] = create_au !! 540                 [QUIRK_AUTODETECT] = create_autodetect_quirks,
522                 [QUIRK_MIDI_STANDARD_INTERFACE    541                 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
523                 [QUIRK_MIDI_FIXED_ENDPOINT] =     542                 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
524                 [QUIRK_MIDI_YAMAHA] = create_a    543                 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
525                 [QUIRK_MIDI_ROLAND] = create_a    544                 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
526                 [QUIRK_MIDI_MIDIMAN] = create_    545                 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
527                 [QUIRK_MIDI_NOVATION] = create    546                 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
528                 [QUIRK_MIDI_RAW_BYTES] = creat    547                 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
529                 [QUIRK_MIDI_EMAGIC] = create_a    548                 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
530                 [QUIRK_MIDI_CME] = create_any_    549                 [QUIRK_MIDI_CME] = create_any_midi_quirk,
531                 [QUIRK_MIDI_AKAI] = create_any    550                 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
532                 [QUIRK_MIDI_FTDI] = create_any    551                 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
533                 [QUIRK_MIDI_CH345] = create_an    552                 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
534                 [QUIRK_AUDIO_STANDARD_INTERFAC    553                 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
535                 [QUIRK_AUDIO_FIXED_ENDPOINT] =    554                 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
536                 [QUIRK_AUDIO_EDIROL_UAXX] = cr    555                 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
                                                   >> 556                 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
537                 [QUIRK_AUDIO_STANDARD_MIXER] =    557                 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
538         };                                        558         };
539                                                   559 
540         if (quirk->type < QUIRK_TYPE_COUNT) {     560         if (quirk->type < QUIRK_TYPE_COUNT) {
541                 return quirk_funcs[quirk->type    561                 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
542         } else {                                  562         } else {
543                 usb_audio_err(chip, "invalid q    563                 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
544                 return -ENXIO;                    564                 return -ENXIO;
545         }                                         565         }
546 }                                                 566 }
547                                                   567 
548 /*                                                568 /*
549  * boot quirks                                    569  * boot quirks
550  */                                               570  */
551                                                   571 
552 #define EXTIGY_FIRMWARE_SIZE_OLD 794              572 #define EXTIGY_FIRMWARE_SIZE_OLD 794
553 #define EXTIGY_FIRMWARE_SIZE_NEW 483              573 #define EXTIGY_FIRMWARE_SIZE_NEW 483
554                                                   574 
555 static int snd_usb_extigy_boot_quirk(struct us    575 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
556 {                                                 576 {
557         struct usb_host_config *config = dev->    577         struct usb_host_config *config = dev->actconfig;
558         int err;                                  578         int err;
559                                                   579 
560         if (le16_to_cpu(get_cfg_desc(config)->    580         if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
561             le16_to_cpu(get_cfg_desc(config)->    581             le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
562                 dev_dbg(&dev->dev, "sending Ex    582                 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
563                 /* Send message to force it to    583                 /* Send message to force it to reconnect with full interface. */
564                 err = snd_usb_ctl_msg(dev, usb    584                 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
565                                       0x10, 0x    585                                       0x10, 0x43, 0x0001, 0x000a, NULL, 0);
566                 if (err < 0)                      586                 if (err < 0)
567                         dev_dbg(&dev->dev, "er    587                         dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
568                 err = usb_get_descriptor(dev,     588                 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
569                                 &dev->descript    589                                 &dev->descriptor, sizeof(dev->descriptor));
570                 config = dev->actconfig;          590                 config = dev->actconfig;
571                 if (err < 0)                      591                 if (err < 0)
572                         dev_dbg(&dev->dev, "er    592                         dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
573                 err = usb_reset_configuration(    593                 err = usb_reset_configuration(dev);
574                 if (err < 0)                      594                 if (err < 0)
575                         dev_dbg(&dev->dev, "er    595                         dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
576                 dev_dbg(&dev->dev, "extigy_boo    596                 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
577                             le16_to_cpu(get_cf    597                             le16_to_cpu(get_cfg_desc(config)->wTotalLength));
578                 return -ENODEV; /* quit this a    598                 return -ENODEV; /* quit this anyway */
579         }                                         599         }
580         return 0;                                 600         return 0;
581 }                                                 601 }
582                                                   602 
583 static int snd_usb_audigy2nx_boot_quirk(struct    603 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
584 {                                                 604 {
585         u8 buf = 1;                               605         u8 buf = 1;
586                                                   606 
587         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(d    607         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
588                         USB_DIR_IN | USB_TYPE_    608                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
589                         0, 0, &buf, 1);           609                         0, 0, &buf, 1);
590         if (buf == 0) {                           610         if (buf == 0) {
591                 snd_usb_ctl_msg(dev, usb_sndct    611                 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
592                                 USB_DIR_OUT |     612                                 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
593                                 1, 2000, NULL,    613                                 1, 2000, NULL, 0);
594                 return -ENODEV;                   614                 return -ENODEV;
595         }                                         615         }
596         return 0;                                 616         return 0;
597 }                                                 617 }
598                                                   618 
599 static int snd_usb_fasttrackpro_boot_quirk(str    619 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
600 {                                                 620 {
601         int err;                                  621         int err;
602                                                   622 
603         if (dev->actconfig->desc.bConfiguratio    623         if (dev->actconfig->desc.bConfigurationValue == 1) {
604                 dev_info(&dev->dev,               624                 dev_info(&dev->dev,
605                            "Fast Track Pro swi    625                            "Fast Track Pro switching to config #2\n");
606                 /* This function has to be ava    626                 /* This function has to be available by the usb core module.
607                  * if it is not avialable the     627                  * if it is not avialable the boot quirk has to be left out
608                  * and the configuration has t    628                  * and the configuration has to be set by udev or hotplug
609                  * rules                          629                  * rules
610                  */                               630                  */
611                 err = usb_driver_set_configura    631                 err = usb_driver_set_configuration(dev, 2);
612                 if (err < 0)                      632                 if (err < 0)
613                         dev_dbg(&dev->dev,        633                         dev_dbg(&dev->dev,
614                                 "error usb_dri    634                                 "error usb_driver_set_configuration: %d\n",
615                                 err);             635                                 err);
616                 /* Always return an error, so     636                 /* Always return an error, so that we stop creating a device
617                    that will just be destroyed    637                    that will just be destroyed and recreated with a new
618                    configuration */               638                    configuration */
619                 return -ENODEV;                   639                 return -ENODEV;
620         } else                                    640         } else
621                 dev_info(&dev->dev, "Fast Trac    641                 dev_info(&dev->dev, "Fast Track Pro config OK\n");
622                                                   642 
623         return 0;                                 643         return 0;
624 }                                                 644 }
625                                                   645 
626 /*                                                646 /*
627  * C-Media CM106/CM106+ have four 16-bit inter    647  * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
628  * documented in the device's data sheet.         648  * documented in the device's data sheet.
629  */                                               649  */
630 static int snd_usb_cm106_write_int_reg(struct     650 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
631 {                                                 651 {
632         u8 buf[4];                                652         u8 buf[4];
633         buf[0] = 0x20;                            653         buf[0] = 0x20;
634         buf[1] = value & 0xff;                    654         buf[1] = value & 0xff;
635         buf[2] = (value >> 8) & 0xff;             655         buf[2] = (value >> 8) & 0xff;
636         buf[3] = reg;                             656         buf[3] = reg;
637         return snd_usb_ctl_msg(dev, usb_sndctr    657         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
638                                USB_DIR_OUT | U    658                                USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
639                                0, 0, &buf, 4);    659                                0, 0, &buf, 4);
640 }                                                 660 }
641                                                   661 
642 static int snd_usb_cm106_boot_quirk(struct usb    662 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
643 {                                                 663 {
644         /*                                        664         /*
645          * Enable line-out driver mode, set he    665          * Enable line-out driver mode, set headphone source to front
646          * channels, enable stereo mic.           666          * channels, enable stereo mic.
647          */                                       667          */
648         return snd_usb_cm106_write_int_reg(dev    668         return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
649 }                                                 669 }
650                                                   670 
651 /*                                                671 /*
652  * CM6206 registers from the CM6206 datasheet     672  * CM6206 registers from the CM6206 datasheet rev 2.1
653  */                                               673  */
654 #define CM6206_REG0_DMA_MASTER BIT(15)            674 #define CM6206_REG0_DMA_MASTER BIT(15)
655 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)     675 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
656 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)     676 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
657 /* Bit 4 thru 11 is the S/PDIF category code *    677 /* Bit 4 thru 11 is the S/PDIF category code */
658 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0    678 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
659 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)     679 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
660 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)    680 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
661 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)       681 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
662 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)      682 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
663                                                   683 
664 #define CM6206_REG1_TEST_SEL_CLK BIT(14)          684 #define CM6206_REG1_TEST_SEL_CLK BIT(14)
665 #define CM6206_REG1_PLLBIN_EN BIT(13)             685 #define CM6206_REG1_PLLBIN_EN BIT(13)
666 #define CM6206_REG1_SOFT_MUTE_EN BIT(12)          686 #define CM6206_REG1_SOFT_MUTE_EN BIT(12)
667 #define CM6206_REG1_GPIO4_OUT BIT(11)             687 #define CM6206_REG1_GPIO4_OUT BIT(11)
668 #define CM6206_REG1_GPIO4_OE BIT(10)              688 #define CM6206_REG1_GPIO4_OE BIT(10)
669 #define CM6206_REG1_GPIO3_OUT BIT(9)              689 #define CM6206_REG1_GPIO3_OUT BIT(9)
670 #define CM6206_REG1_GPIO3_OE BIT(8)               690 #define CM6206_REG1_GPIO3_OE BIT(8)
671 #define CM6206_REG1_GPIO2_OUT BIT(7)              691 #define CM6206_REG1_GPIO2_OUT BIT(7)
672 #define CM6206_REG1_GPIO2_OE BIT(6)               692 #define CM6206_REG1_GPIO2_OE BIT(6)
673 #define CM6206_REG1_GPIO1_OUT BIT(5)              693 #define CM6206_REG1_GPIO1_OUT BIT(5)
674 #define CM6206_REG1_GPIO1_OE BIT(4)               694 #define CM6206_REG1_GPIO1_OE BIT(4)
675 #define CM6206_REG1_SPDIFO_INVALID BIT(3)         695 #define CM6206_REG1_SPDIFO_INVALID BIT(3)
676 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2)          696 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
677 #define CM6206_REG1_SPDIFO_DIS BIT(1)             697 #define CM6206_REG1_SPDIFO_DIS BIT(1)
678 #define CM6206_REG1_SPDIFI_MIX BIT(0)             698 #define CM6206_REG1_SPDIFI_MIX BIT(0)
679                                                   699 
680 #define CM6206_REG2_DRIVER_ON BIT(15)             700 #define CM6206_REG2_DRIVER_ON BIT(15)
681 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0    701 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
682 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNEL    702 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
683 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 <    703 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
684 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (    704 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
685 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(1    705 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
686 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11    706 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
687 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT B    707 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
688 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BI    708 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
689 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT B    709 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
690 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BI    710 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
691 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6)         711 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
692 #define CM6206_REG2_MUTE_CENTER BIT(5)            712 #define CM6206_REG2_MUTE_CENTER BIT(5)
693 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)       713 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
694 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)        714 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
695 #define CM6206_REG2_EN_BTL BIT(2)                 715 #define CM6206_REG2_EN_BTL BIT(2)
696 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)         716 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
697 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1)           717 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
698 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2)           718 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
699 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3)          719 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
700                                                   720 
701 /* Bit 11..13 sets the sensitivity to FLY tune    721 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
702 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)    722 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
703 #define CM6206_REG3_VRAP25EN BIT(10)              723 #define CM6206_REG3_VRAP25EN BIT(10)
704 #define CM6206_REG3_MSEL1 BIT(9)                  724 #define CM6206_REG3_MSEL1 BIT(9)
705 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 <<    725 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
706 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7    726 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
707 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7    727 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
708 #define CM6206_REG3_PINSEL BIT(6)                 728 #define CM6206_REG3_PINSEL BIT(6)
709 #define CM6206_REG3_FOE BIT(5)                    729 #define CM6206_REG3_FOE BIT(5)
710 #define CM6206_REG3_ROE BIT(4)                    730 #define CM6206_REG3_ROE BIT(4)
711 #define CM6206_REG3_CBOE BIT(3)                   731 #define CM6206_REG3_CBOE BIT(3)
712 #define CM6206_REG3_LOSE BIT(2)                   732 #define CM6206_REG3_LOSE BIT(2)
713 #define CM6206_REG3_HPOE BIT(1)                   733 #define CM6206_REG3_HPOE BIT(1)
714 #define CM6206_REG3_SPDIFI_CANREC BIT(0)          734 #define CM6206_REG3_SPDIFI_CANREC BIT(0)
715                                                   735 
716 #define CM6206_REG5_DA_RSTN BIT(13)               736 #define CM6206_REG5_DA_RSTN BIT(13)
717 #define CM6206_REG5_AD_RSTN BIT(12)               737 #define CM6206_REG5_AD_RSTN BIT(12)
718 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)        738 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
719 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)     739 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
720 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 <<     740 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
721 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9    741 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
722 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 <<     742 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
723 #define CM6206_REG5_CODECM BIT(8)                 743 #define CM6206_REG5_CODECM BIT(8)
724 #define CM6206_REG5_EN_HPF BIT(7)                 744 #define CM6206_REG5_EN_HPF BIT(7)
725 #define CM6206_REG5_T_SEL_DSDA4 BIT(6)            745 #define CM6206_REG5_T_SEL_DSDA4 BIT(6)
726 #define CM6206_REG5_T_SEL_DSDA3 BIT(5)            746 #define CM6206_REG5_T_SEL_DSDA3 BIT(5)
727 #define CM6206_REG5_T_SEL_DSDA2 BIT(4)            747 #define CM6206_REG5_T_SEL_DSDA2 BIT(4)
728 #define CM6206_REG5_T_SEL_DSDA1 BIT(3)            748 #define CM6206_REG5_T_SEL_DSDA1 BIT(3)
729 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0          749 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
730 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4           750 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4
731 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5      751 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
732 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6         752 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
733 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7      753 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
734                                                   754 
735 static int snd_usb_cm6206_boot_quirk(struct us    755 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
736 {                                                 756 {
737         int err  = 0, reg;                        757         int err  = 0, reg;
738         int val[] = {                             758         int val[] = {
739                 /*                                759                 /*
740                  * Values here are chosen base    760                  * Values here are chosen based on sniffing USB traffic
741                  * under Windows.                 761                  * under Windows.
742                  *                                762                  *
743                  * REG0: DAC is master, sample    763                  * REG0: DAC is master, sample rate 48kHz, no copyright
744                  */                               764                  */
745                 CM6206_REG0_SPDIFO_RATE_48K |     765                 CM6206_REG0_SPDIFO_RATE_48K |
746                 CM6206_REG0_SPDIFO_COPYRIGHT_N    766                 CM6206_REG0_SPDIFO_COPYRIGHT_NA,
747                 /*                                767                 /*
748                  * REG1: PLL binary search ena    768                  * REG1: PLL binary search enable, soft mute enable.
749                  */                               769                  */
750                 CM6206_REG1_PLLBIN_EN |           770                 CM6206_REG1_PLLBIN_EN |
751                 CM6206_REG1_SOFT_MUTE_EN,         771                 CM6206_REG1_SOFT_MUTE_EN,
752                 /*                                772                 /*
753                  * REG2: enable output drivers    773                  * REG2: enable output drivers,
754                  * select front channels to th    774                  * select front channels to the headphone output,
755                  * then mute the headphone cha    775                  * then mute the headphone channels, run the MCU
756                  * at 1.5 MHz.                    776                  * at 1.5 MHz.
757                  */                               777                  */
758                 CM6206_REG2_DRIVER_ON |           778                 CM6206_REG2_DRIVER_ON |
759                 CM6206_REG2_HEADP_SEL_FRONT_CH    779                 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
760                 CM6206_REG2_MUTE_HEADPHONE_RIG    780                 CM6206_REG2_MUTE_HEADPHONE_RIGHT |
761                 CM6206_REG2_MUTE_HEADPHONE_LEF    781                 CM6206_REG2_MUTE_HEADPHONE_LEFT,
762                 /*                                782                 /*
763                  * REG3: default flyspeed, set    783                  * REG3: default flyspeed, set 2.5V mic bias
764                  * enable all line out ports a    784                  * enable all line out ports and enable SPDIF
765                  */                               785                  */
766                 CM6206_REG3_FLYSPEED_DEFAULT |    786                 CM6206_REG3_FLYSPEED_DEFAULT |
767                 CM6206_REG3_VRAP25EN |            787                 CM6206_REG3_VRAP25EN |
768                 CM6206_REG3_FOE |                 788                 CM6206_REG3_FOE |
769                 CM6206_REG3_ROE |                 789                 CM6206_REG3_ROE |
770                 CM6206_REG3_CBOE |                790                 CM6206_REG3_CBOE |
771                 CM6206_REG3_LOSE |                791                 CM6206_REG3_LOSE |
772                 CM6206_REG3_HPOE |                792                 CM6206_REG3_HPOE |
773                 CM6206_REG3_SPDIFI_CANREC,        793                 CM6206_REG3_SPDIFI_CANREC,
774                 /* REG4 is just a bunch of GPI    794                 /* REG4 is just a bunch of GPIO lines */
775                 0x0000,                           795                 0x0000,
776                 /* REG5: de-assert AD/DA reset    796                 /* REG5: de-assert AD/DA reset signals */
777                 CM6206_REG5_DA_RSTN |             797                 CM6206_REG5_DA_RSTN |
778                 CM6206_REG5_AD_RSTN };            798                 CM6206_REG5_AD_RSTN };
779                                                   799 
780         for (reg = 0; reg < ARRAY_SIZE(val); r    800         for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
781                 err = snd_usb_cm106_write_int_    801                 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
782                 if (err < 0)                      802                 if (err < 0)
783                         return err;               803                         return err;
784         }                                         804         }
785                                                   805 
786         return err;                               806         return err;
787 }                                                 807 }
788                                                   808 
789 /* quirk for Plantronics GameCom 780 with CM63    809 /* quirk for Plantronics GameCom 780 with CM6302 chip */
790 static int snd_usb_gamecon780_boot_quirk(struc    810 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
791 {                                                 811 {
792         /* set the initial volume and don't ch    812         /* set the initial volume and don't change; other values are either
793          * too loud or silent due to firmware     813          * too loud or silent due to firmware bug (bko#65251)
794          */                                       814          */
795         u8 buf[2] = { 0x74, 0xe3 };               815         u8 buf[2] = { 0x74, 0xe3 };
796         return snd_usb_ctl_msg(dev, usb_sndctr    816         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
797                         USB_RECIP_INTERFACE |     817                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
798                         UAC_FU_VOLUME << 8, 9     818                         UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
799 }                                                 819 }
800                                                   820 
801 /*                                                821 /*
802  * Novation Twitch DJ controller                  822  * Novation Twitch DJ controller
803  * Focusrite Novation Saffire 6 USB audio card    823  * Focusrite Novation Saffire 6 USB audio card
804  */                                               824  */
805 static int snd_usb_novation_boot_quirk(struct     825 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
806 {                                                 826 {
807         /* preemptively set up the device beca    827         /* preemptively set up the device because otherwise the
808          * raw MIDI endpoints are not active *    828          * raw MIDI endpoints are not active */
809         usb_set_interface(dev, 0, 1);             829         usb_set_interface(dev, 0, 1);
810         return 0;                                 830         return 0;
811 }                                                 831 }
812                                                   832 
813 /*                                                833 /*
814  * This call will put the synth in "USB send"     834  * This call will put the synth in "USB send" mode, i.e it will send MIDI
815  * messages through USB (this is disabled at s    835  * messages through USB (this is disabled at startup). The synth will
816  * acknowledge by sending a sysex on endpoint     836  * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
817  * sign on its LCD. Values here are chosen bas    837  * sign on its LCD. Values here are chosen based on sniffing USB traffic
818  * under Windows.                                 838  * under Windows.
819  */                                               839  */
820 static int snd_usb_accessmusic_boot_quirk(stru    840 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
821 {                                                 841 {
822         int err, actual_length;                   842         int err, actual_length;
                                                   >> 843 
823         /* "midi send" enable */                  844         /* "midi send" enable */
824         static const u8 seq[] = { 0x4e, 0x73,     845         static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
825         void *buf;                             << 
826                                                   846 
827         if (usb_pipe_type_check(dev, usb_sndin !! 847         void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
828                 return -EINVAL;                << 
829         buf = kmemdup(seq, ARRAY_SIZE(seq), GF << 
830         if (!buf)                                 848         if (!buf)
831                 return -ENOMEM;                   849                 return -ENOMEM;
832         err = usb_interrupt_msg(dev, usb_sndin    850         err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
833                         ARRAY_SIZE(seq), &actu    851                         ARRAY_SIZE(seq), &actual_length, 1000);
834         kfree(buf);                               852         kfree(buf);
835         if (err < 0)                              853         if (err < 0)
836                 return err;                       854                 return err;
837                                                   855 
838         return 0;                                 856         return 0;
839 }                                                 857 }
840                                                   858 
841 /*                                                859 /*
842  * Some sound cards from Native Instruments ar    860  * Some sound cards from Native Instruments are in fact compliant to the USB
843  * audio standard of version 2 and other appro    861  * audio standard of version 2 and other approved USB standards, even though
844  * they come up as vendor-specific device when    862  * they come up as vendor-specific device when first connected.
845  *                                                863  *
846  * However, they can be told to come up with a    864  * However, they can be told to come up with a new set of descriptors
847  * upon their next enumeration, and the interf    865  * upon their next enumeration, and the interfaces announced by the new
848  * descriptors will then be handled by the ker    866  * descriptors will then be handled by the kernel's class drivers. As the
849  * product ID will also change, no further che    867  * product ID will also change, no further checks are required.
850  */                                               868  */
851                                                   869 
852 static int snd_usb_nativeinstruments_boot_quir    870 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
853 {                                                 871 {
854         int ret;                               !! 872         int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
855                                                << 
856         ret = usb_control_msg(dev, usb_sndctrl << 
857                                   0xaf, USB_TY    873                                   0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
858                                   1, 0, NULL,     874                                   1, 0, NULL, 0, 1000);
859                                                   875 
860         if (ret < 0)                              876         if (ret < 0)
861                 return ret;                       877                 return ret;
862                                                   878 
863         usb_reset_device(dev);                    879         usb_reset_device(dev);
864                                                   880 
865         /* return -EAGAIN, so the creation of     881         /* return -EAGAIN, so the creation of an audio interface for this
866          * temporary device is aborted. The de    882          * temporary device is aborted. The device will reconnect with a
867          * new product ID */                      883          * new product ID */
868         return -EAGAIN;                           884         return -EAGAIN;
869 }                                                 885 }
870                                                   886 
871 static void mbox2_setup_48_24_magic(struct usb    887 static void mbox2_setup_48_24_magic(struct usb_device *dev)
872 {                                                 888 {
873         u8 srate[3];                              889         u8 srate[3];
874         u8 temp[12];                              890         u8 temp[12];
875                                                   891 
876         /* Choose 48000Hz permanently */          892         /* Choose 48000Hz permanently */
877         srate[0] = 0x80;                          893         srate[0] = 0x80;
878         srate[1] = 0xbb;                          894         srate[1] = 0xbb;
879         srate[2] = 0x00;                          895         srate[2] = 0x00;
880                                                   896 
881         /* Send the magic! */                     897         /* Send the magic! */
882         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(d    898         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
883                 0x01, 0x22, 0x0100, 0x0085, &t    899                 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
884         snd_usb_ctl_msg(dev, usb_sndctrlpipe(d    900         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
885                 0x81, 0xa2, 0x0100, 0x0085, &s    901                 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
886         snd_usb_ctl_msg(dev, usb_sndctrlpipe(d    902         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
887                 0x81, 0xa2, 0x0100, 0x0086, &s    903                 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
888         snd_usb_ctl_msg(dev, usb_sndctrlpipe(d    904         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
889                 0x81, 0xa2, 0x0100, 0x0003, &s    905                 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
890         return;                                   906         return;
891 }                                                 907 }
892                                                   908 
893 /* Digidesign Mbox 2 needs to load firmware on    909 /* Digidesign Mbox 2 needs to load firmware onboard
894  * and driver must wait a few seconds for init    910  * and driver must wait a few seconds for initialisation.
895  */                                               911  */
896                                                   912 
897 #define MBOX2_FIRMWARE_SIZE    646                913 #define MBOX2_FIRMWARE_SIZE    646
898 #define MBOX2_BOOT_LOADING     0x01 /* Hard co    914 #define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
899 #define MBOX2_BOOT_READY       0x02 /* Hard co    915 #define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
900                                                   916 
901 static int snd_usb_mbox2_boot_quirk(struct usb    917 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
902 {                                                 918 {
903         struct usb_host_config *config = dev->    919         struct usb_host_config *config = dev->actconfig;
904         int err;                                  920         int err;
905         u8 bootresponse[0x12];                    921         u8 bootresponse[0x12];
906         int fwsize;                               922         int fwsize;
907         int count;                                923         int count;
908                                                   924 
909         fwsize = le16_to_cpu(get_cfg_desc(conf    925         fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
910                                                   926 
911         if (fwsize != MBOX2_FIRMWARE_SIZE) {      927         if (fwsize != MBOX2_FIRMWARE_SIZE) {
912                 dev_err(&dev->dev, "Invalid fi    928                 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
913                 return -ENODEV;                   929                 return -ENODEV;
914         }                                         930         }
915                                                   931 
916         dev_dbg(&dev->dev, "Sending Digidesign    932         dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
917                                                   933 
918         count = 0;                                934         count = 0;
919         bootresponse[0] = MBOX2_BOOT_LOADING;     935         bootresponse[0] = MBOX2_BOOT_LOADING;
920         while ((bootresponse[0] == MBOX2_BOOT_    936         while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
921                 msleep(500); /* 0.5 second del    937                 msleep(500); /* 0.5 second delay */
922                 snd_usb_ctl_msg(dev, usb_rcvct    938                 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
923                         /* Control magic - loa    939                         /* Control magic - load onboard firmware */
924                         0x85, 0xc0, 0x0001, 0x    940                         0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
925                 if (bootresponse[0] == MBOX2_B    941                 if (bootresponse[0] == MBOX2_BOOT_READY)
926                         break;                    942                         break;
927                 dev_dbg(&dev->dev, "device not    943                 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
928                 count++;                          944                 count++;
929         }                                         945         }
930                                                   946 
931         if (bootresponse[0] != MBOX2_BOOT_READ    947         if (bootresponse[0] != MBOX2_BOOT_READY) {
932                 dev_err(&dev->dev, "Unknown bo    948                 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
933                 return -ENODEV;                   949                 return -ENODEV;
934         }                                         950         }
935                                                   951 
936         dev_dbg(&dev->dev, "device initialised    952         dev_dbg(&dev->dev, "device initialised!\n");
937                                                   953 
938         err = usb_get_descriptor(dev, USB_DT_D    954         err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
939                 &dev->descriptor, sizeof(dev->    955                 &dev->descriptor, sizeof(dev->descriptor));
940         config = dev->actconfig;                  956         config = dev->actconfig;
941         if (err < 0)                              957         if (err < 0)
942                 dev_dbg(&dev->dev, "error usb_    958                 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
943                                                   959 
944         err = usb_reset_configuration(dev);       960         err = usb_reset_configuration(dev);
945         if (err < 0)                              961         if (err < 0)
946                 dev_dbg(&dev->dev, "error usb_    962                 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
947         dev_dbg(&dev->dev, "mbox2_boot: new bo    963         dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
948                 le16_to_cpu(get_cfg_desc(confi    964                 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
949                                                   965 
950         mbox2_setup_48_24_magic(dev);             966         mbox2_setup_48_24_magic(dev);
951                                                   967 
952         dev_info(&dev->dev, "Digidesign Mbox 2    968         dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
953                                                   969 
954         return 0; /* Successful boot */           970         return 0; /* Successful boot */
955 }                                                 971 }
956                                                   972 
957 static int snd_usb_axefx3_boot_quirk(struct us    973 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
958 {                                                 974 {
959         int err;                                  975         int err;
960                                                   976 
961         dev_dbg(&dev->dev, "Waiting for Axe-Fx    977         dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
962                                                   978 
963         /* If the Axe-Fx III has not fully boo    979         /* If the Axe-Fx III has not fully booted, it will timeout when trying
964          * to enable the audio streaming inter    980          * to enable the audio streaming interface. A more generous timeout is
965          * used here to detect when the Axe-Fx    981          * used here to detect when the Axe-Fx III has finished booting as the
966          * set interface message will be acked    982          * set interface message will be acked once it has
967          */                                       983          */
968         err = usb_control_msg(dev, usb_sndctrl    984         err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
969                                 USB_REQ_SET_IN    985                                 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
970                                 1, 1, NULL, 0,    986                                 1, 1, NULL, 0, 120000);
971         if (err < 0) {                            987         if (err < 0) {
972                 dev_err(&dev->dev,                988                 dev_err(&dev->dev,
973                         "failed waiting for Ax    989                         "failed waiting for Axe-Fx III to boot: %d\n", err);
974                 return err;                       990                 return err;
975         }                                         991         }
976                                                   992 
977         dev_dbg(&dev->dev, "Axe-Fx III is now     993         dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
978                                                   994 
979         err = usb_set_interface(dev, 1, 0);       995         err = usb_set_interface(dev, 1, 0);
980         if (err < 0)                              996         if (err < 0)
981                 dev_dbg(&dev->dev,                997                 dev_dbg(&dev->dev,
982                         "error stopping Axe-Fx    998                         "error stopping Axe-Fx III interface: %d\n", err);
983                                                   999 
984         return 0;                                 1000         return 0;
985 }                                                 1001 }
986                                                   1002 
987 static void mbox3_setup_defaults(struct usb_de << 
988 {                                              << 
989         /* The Mbox 3 is "little endian" */    << 
990         /* max volume is: 0x0000. */           << 
991         /* min volume is: 0x0080 (shown in lit << 
992                                                << 
993         u8 com_buff[2];                        << 
994                                                << 
995         /* Deactivate Tuner */                 << 
996         /* on  = 0x01*/                        << 
997         /* off = 0x00*/                        << 
998         com_buff[0] = 0x00;                    << 
999         snd_usb_ctl_msg(dev, usb_sndctrlpipe(d << 
1000                 0x01, 0x21, 0x0003, 0x2001, & << 
1001                                               << 
1002         /* Set clock source to Internal (as o << 
1003         /* Internal  = 0x01*/                 << 
1004         /* S/PDIF    = 0x02*/                 << 
1005         com_buff[0] = 0x01;                   << 
1006         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1007                         1, 0x21, 0x0100, 0x80 << 
1008                                               << 
1009         /* Mute the hardware loopbacks to sta << 
1010         com_buff[0] = 0x00;                   << 
1011         com_buff[1] = 0x80;                   << 
1012         /* Analogue input 1 left channel: */  << 
1013         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1014                         1, 0x21, 0x0110, 0x40 << 
1015         /* Analogue input 1 right channel: */ << 
1016         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1017                         1, 0x21, 0x0111, 0x40 << 
1018         /* Analogue input 2 left channel: */  << 
1019         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1020                         1, 0x21, 0x0114, 0x40 << 
1021         /* Analogue input 2 right channel: */ << 
1022         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1023                         1, 0x21, 0x0115, 0x40 << 
1024         /* Analogue input 3 left channel: */  << 
1025         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1026                         1, 0x21, 0x0118, 0x40 << 
1027         /* Analogue input 3 right channel: */ << 
1028         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1029                         1, 0x21, 0x0119, 0x40 << 
1030         /* Analogue input 4 left channel: */  << 
1031         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1032                         1, 0x21, 0x011c, 0x40 << 
1033         /* Analogue input 4 right channel: */ << 
1034         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1035                         1, 0x21, 0x011d, 0x40 << 
1036                                               << 
1037         /* Set software sends to output */    << 
1038         com_buff[0] = 0x00;                   << 
1039         com_buff[1] = 0x00;                   << 
1040         /* Analogue software return 1 left ch << 
1041         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1042                         1, 0x21, 0x0100, 0x40 << 
1043         com_buff[0] = 0x00;                   << 
1044         com_buff[1] = 0x80;                   << 
1045         /* Analogue software return 1 right c << 
1046         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1047                         1, 0x21, 0x0101, 0x40 << 
1048         com_buff[0] = 0x00;                   << 
1049         com_buff[1] = 0x80;                   << 
1050         /* Analogue software return 2 left ch << 
1051         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1052                         1, 0x21, 0x0104, 0x40 << 
1053         com_buff[0] = 0x00;                   << 
1054         com_buff[1] = 0x00;                   << 
1055         /* Analogue software return 2 right c << 
1056         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1057                         1, 0x21, 0x0105, 0x40 << 
1058                                               << 
1059         com_buff[0] = 0x00;                   << 
1060         com_buff[1] = 0x80;                   << 
1061         /* Analogue software return 3 left ch << 
1062         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1063                         1, 0x21, 0x0108, 0x40 << 
1064         /* Analogue software return 3 right c << 
1065         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1066                         1, 0x21, 0x0109, 0x40 << 
1067         /* Analogue software return 4 left ch << 
1068         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1069                         1, 0x21, 0x010c, 0x40 << 
1070         /* Analogue software return 4 right c << 
1071         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1072                         1, 0x21, 0x010d, 0x40 << 
1073                                               << 
1074         /* Return to muting sends */          << 
1075         com_buff[0] = 0x00;                   << 
1076         com_buff[1] = 0x80;                   << 
1077         /* Analogue fx return left channel: * << 
1078         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1079                         1, 0x21, 0x0120, 0x40 << 
1080         /* Analogue fx return right channel:  << 
1081         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1082                         1, 0x21, 0x0121, 0x40 << 
1083                                               << 
1084         /* Analogue software input 1 fx send: << 
1085         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1086                         1, 0x21, 0x0100, 0x42 << 
1087         /* Analogue software input 2 fx send: << 
1088         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1089                         1, 0x21, 0x0101, 0x42 << 
1090         /* Analogue software input 3 fx send: << 
1091         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1092                         1, 0x21, 0x0102, 0x42 << 
1093         /* Analogue software input 4 fx send: << 
1094         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1095                         1, 0x21, 0x0103, 0x42 << 
1096         /* Analogue input 1 fx send: */       << 
1097         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1098                         1, 0x21, 0x0104, 0x42 << 
1099         /* Analogue input 2 fx send: */       << 
1100         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1101                         1, 0x21, 0x0105, 0x42 << 
1102         /* Analogue input 3 fx send: */       << 
1103         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1104                         1, 0x21, 0x0106, 0x42 << 
1105         /* Analogue input 4 fx send: */       << 
1106         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1107                         1, 0x21, 0x0107, 0x42 << 
1108                                               << 
1109         /* Toggle allowing host control */    << 
1110         /* Not needed                         << 
1111         com_buff[0] = 0x02;                   << 
1112         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1113                         3, 0x21, 0x0000, 0x20 << 
1114          */                                   << 
1115                                               << 
1116         /* Do not dim fx returns */           << 
1117         com_buff[0] = 0x00;                   << 
1118         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1119                         3, 0x21, 0x0002, 0x20 << 
1120                                               << 
1121         /* Do not set fx returns to mono */   << 
1122         com_buff[0] = 0x00;                   << 
1123         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1124                         3, 0x21, 0x0001, 0x20 << 
1125                                               << 
1126         /* Mute the S/PDIF hardware loopback  << 
1127          * same odd volume logic here as abov << 
1128          */                                   << 
1129         com_buff[0] = 0x00;                   << 
1130         com_buff[1] = 0x80;                   << 
1131         /* S/PDIF hardware input 1 left chann << 
1132         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1133                         1, 0x21, 0x0112, 0x40 << 
1134         /* S/PDIF hardware input 1 right chan << 
1135         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1136                         1, 0x21, 0x0113, 0x40 << 
1137         /* S/PDIF hardware input 2 left chann << 
1138         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1139                         1, 0x21, 0x0116, 0x40 << 
1140         /* S/PDIF hardware input 2 right chan << 
1141         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1142                         1, 0x21, 0x0117, 0x40 << 
1143         /* S/PDIF hardware input 3 left chann << 
1144         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1145                         1, 0x21, 0x011a, 0x40 << 
1146         /* S/PDIF hardware input 3 right chan << 
1147         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1148                         1, 0x21, 0x011b, 0x40 << 
1149         /* S/PDIF hardware input 4 left chann << 
1150         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1151                         1, 0x21, 0x011e, 0x40 << 
1152         /* S/PDIF hardware input 4 right chan << 
1153         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1154                         1, 0x21, 0x011f, 0x40 << 
1155         /* S/PDIF software return 1 left chan << 
1156         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1157                         1, 0x21, 0x0102, 0x40 << 
1158         /* S/PDIF software return 1 right cha << 
1159         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1160                         1, 0x21, 0x0103, 0x40 << 
1161         /* S/PDIF software return 2 left chan << 
1162         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1163                         1, 0x21, 0x0106, 0x40 << 
1164         /* S/PDIF software return 2 right cha << 
1165         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1166                         1, 0x21, 0x0107, 0x40 << 
1167                                               << 
1168         com_buff[0] = 0x00;                   << 
1169         com_buff[1] = 0x00;                   << 
1170         /* S/PDIF software return 3 left chan << 
1171         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1172                         1, 0x21, 0x010a, 0x40 << 
1173                                               << 
1174         com_buff[0] = 0x00;                   << 
1175         com_buff[1] = 0x80;                   << 
1176         /* S/PDIF software return 3 right cha << 
1177         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1178                         1, 0x21, 0x010b, 0x40 << 
1179         /* S/PDIF software return 4 left chan << 
1180         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1181                         1, 0x21, 0x010e, 0x40 << 
1182                                               << 
1183         com_buff[0] = 0x00;                   << 
1184         com_buff[1] = 0x00;                   << 
1185         /* S/PDIF software return 4 right cha << 
1186         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1187                         1, 0x21, 0x010f, 0x40 << 
1188                                               << 
1189         com_buff[0] = 0x00;                   << 
1190         com_buff[1] = 0x80;                   << 
1191         /* S/PDIF fx returns left channel */  << 
1192         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1193                         1, 0x21, 0x0122, 0x40 << 
1194         /* S/PDIF fx returns right channel */ << 
1195         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1196                         1, 0x21, 0x0123, 0x40 << 
1197                                               << 
1198         /* Set the dropdown "Effect" to the f << 
1199         /* Room1  = 0x00 */                   << 
1200         /* Room2  = 0x01 */                   << 
1201         /* Room3  = 0x02 */                   << 
1202         /* Hall 1 = 0x03 */                   << 
1203         /* Hall 2 = 0x04 */                   << 
1204         /* Plate  = 0x05 */                   << 
1205         /* Delay  = 0x06 */                   << 
1206         /* Echo   = 0x07 */                   << 
1207         com_buff[0] = 0x00;                   << 
1208         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1209                         1, 0x21, 0x0200, 0x43 << 
1210         /* min is 0x00 */                     << 
1211                                               << 
1212                                               << 
1213         /* Set the effect duration to 0 */    << 
1214         /* max is 0xffff */                   << 
1215         /* min is 0x0000 */                   << 
1216         com_buff[0] = 0x00;                   << 
1217         com_buff[1] = 0x00;                   << 
1218         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1219                         1, 0x21, 0x0400, 0x43 << 
1220                                               << 
1221         /* Set the effect volume and feedback << 
1222         /* max is 0xff */                     << 
1223         /* min is 0x00 */                     << 
1224         com_buff[0] = 0x00;                   << 
1225         /* feedback: */                       << 
1226         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1227                         1, 0x21, 0x0500, 0x43 << 
1228         /* volume: */                         << 
1229         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1230                         1, 0x21, 0x0300, 0x43 << 
1231                                               << 
1232         /* Set soft button hold duration */   << 
1233         /* 0x03 = 250ms */                    << 
1234         /* 0x05 = 500ms DEFAULT */            << 
1235         /* 0x08 = 750ms */                    << 
1236         /* 0x0a = 1sec */                     << 
1237         com_buff[0] = 0x05;                   << 
1238         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1239                         3, 0x21, 0x0005, 0x20 << 
1240                                               << 
1241         /* Use dim LEDs for button of state * << 
1242         com_buff[0] = 0x00;                   << 
1243         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1244                         3, 0x21, 0x0004, 0x20 << 
1245 }                                             << 
1246                                               << 
1247 #define MBOX3_DESCRIPTOR_SIZE   464           << 
1248                                               << 
1249 static int snd_usb_mbox3_boot_quirk(struct us << 
1250 {                                             << 
1251         struct usb_host_config *config = dev- << 
1252         int err;                              << 
1253         int descriptor_size;                  << 
1254                                               << 
1255         descriptor_size = le16_to_cpu(get_cfg << 
1256                                               << 
1257         if (descriptor_size != MBOX3_DESCRIPT << 
1258                 dev_err(&dev->dev, "MBOX3: In << 
1259                 return -ENODEV;               << 
1260         }                                     << 
1261                                               << 
1262         dev_dbg(&dev->dev, "MBOX3: device ini << 
1263                                               << 
1264         err = usb_get_descriptor(dev, USB_DT_ << 
1265                 &dev->descriptor, sizeof(dev- << 
1266         config = dev->actconfig;              << 
1267         if (err < 0)                          << 
1268                 dev_dbg(&dev->dev, "MBOX3: er << 
1269                                               << 
1270         err = usb_reset_configuration(dev);   << 
1271         if (err < 0)                          << 
1272                 dev_dbg(&dev->dev, "MBOX3: er << 
1273                                               << 
1274         dev_dbg(&dev->dev, "MBOX3: new boot l << 
1275                 le16_to_cpu(get_cfg_desc(conf << 
1276                                               << 
1277         mbox3_setup_defaults(dev);            << 
1278         dev_info(&dev->dev, "MBOX3: Initializ << 
1279                                               << 
1280         return 0; /* Successful boot */       << 
1281 }                                             << 
1282                                               << 
1283 #define MICROBOOK_BUF_SIZE 128                << 
1284                                               << 
1285 static int snd_usb_motu_microbookii_communica << 
1286                                               << 
1287 {                                             << 
1288         int err, actual_length;               << 
1289                                               << 
1290         if (usb_pipe_type_check(dev, usb_sndi << 
1291                 return -EINVAL;               << 
1292         err = usb_interrupt_msg(dev, usb_sndi << 
1293                                 &actual_lengt << 
1294         if (err < 0)                          << 
1295                 return err;                   << 
1296                                               << 
1297         print_hex_dump(KERN_DEBUG, "MicroBook << 
1298                        buf, actual_length, fa << 
1299                                               << 
1300         memset(buf, 0, buf_size);             << 
1301                                               << 
1302         if (usb_pipe_type_check(dev, usb_rcvi << 
1303                 return -EINVAL;               << 
1304         err = usb_interrupt_msg(dev, usb_rcvi << 
1305                                 &actual_lengt << 
1306         if (err < 0)                          << 
1307                 return err;                   << 
1308                                               << 
1309         print_hex_dump(KERN_DEBUG, "MicroBook << 
1310                        buf, actual_length, fa << 
1311                                               << 
1312         *length = actual_length;              << 
1313         return 0;                             << 
1314 }                                             << 
1315                                               << 
1316 static int snd_usb_motu_microbookii_boot_quir << 
1317 {                                             << 
1318         int err, actual_length, poll_attempts << 
1319         static const u8 set_samplerate_seq[]  << 
1320                                               << 
1321                                               << 
1322         static const u8 poll_ready_seq[] = {  << 
1323                                               << 
1324         u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, << 
1325                                               << 
1326         if (!buf)                             << 
1327                 return -ENOMEM;               << 
1328                                               << 
1329         dev_info(&dev->dev, "Waiting for MOTU << 
1330                                               << 
1331         /* First we tell the device which sam << 
1332         memcpy(buf, set_samplerate_seq, sizeo << 
1333         actual_length = sizeof(set_samplerate << 
1334         err = snd_usb_motu_microbookii_commun << 
1335                                               << 
1336                                               << 
1337         if (err < 0) {                        << 
1338                 dev_err(&dev->dev,            << 
1339                         "failed setting the s << 
1340                         err);                 << 
1341                 goto free_buf;                << 
1342         }                                     << 
1343                                               << 
1344         /* Then we poll every 100 ms until th << 
1345         while (true) {                        << 
1346                 if (++poll_attempts > 100) {  << 
1347                         dev_err(&dev->dev,    << 
1348                                 "failed booti << 
1349                         err = -ENODEV;        << 
1350                         goto free_buf;        << 
1351                 }                             << 
1352                                               << 
1353                 memset(buf, 0, MICROBOOK_BUF_ << 
1354                 memcpy(buf, poll_ready_seq, s << 
1355                                               << 
1356                 actual_length = sizeof(poll_r << 
1357                 err = snd_usb_motu_microbooki << 
1358                         dev, buf, MICROBOOK_B << 
1359                 if (err < 0) {                << 
1360                         dev_err(&dev->dev,    << 
1361                                 "failed booti << 
1362                                 err);         << 
1363                         goto free_buf;        << 
1364                 }                             << 
1365                                               << 
1366                 /* the device signals its rea << 
1367                  * form                       << 
1368                  *           XX 06 00 00 00 0 << 
1369                  * If the device is not yet r << 
1370                  * last byte of that sequence << 
1371                  */                           << 
1372                 if (actual_length == 12 && bu << 
1373                         break;                << 
1374                                               << 
1375                 msleep(100);                  << 
1376         }                                     << 
1377                                               << 
1378         dev_info(&dev->dev, "MOTU MicroBook I << 
1379                                               << 
1380 free_buf:                                     << 
1381         kfree(buf);                           << 
1382         return err;                           << 
1383 }                                             << 
1384                                               << 
1385 static int snd_usb_motu_m_series_boot_quirk(s << 
1386 {                                             << 
1387         msleep(4000);                         << 
1388                                               << 
1389         return 0;                             << 
1390 }                                             << 
1391                                               << 
1392 static int snd_usb_rme_digiface_boot_quirk(st << 
1393 {                                             << 
1394         /* Disable mixer, internal clock, all << 
1395         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1396                         16, 0x40, 0x2410, 0x7 << 
1397         snd_usb_ctl_msg(dev, usb_sndctrlpipe( << 
1398                         18, 0x40, 0x0104, 0xf << 
1399                                               << 
1400         /* Disable loopback for all inputs */ << 
1401         for (int ch = 0; ch < 32; ch++)       << 
1402                 snd_usb_ctl_msg(dev, usb_sndc << 
1403                                 22, 0x40, 0x4 << 
1404                                               << 
1405         /* Unity gain for all outputs */      << 
1406         for (int ch = 0; ch < 34; ch++)       << 
1407                 snd_usb_ctl_msg(dev, usb_sndc << 
1408                                 21, 0x40, 0x9 << 
1409                                               << 
1410         return 0;                             << 
1411 }                                             << 
1412                                               << 
1413 /*                                               1003 /*
1414  * Setup quirks                                  1004  * Setup quirks
1415  */                                              1005  */
1416 #define MAUDIO_SET              0x01 /* parse    1006 #define MAUDIO_SET              0x01 /* parse device_setup */
1417 #define MAUDIO_SET_COMPATIBLE   0x80 /* use o    1007 #define MAUDIO_SET_COMPATIBLE   0x80 /* use only "win-compatible" interfaces */
1418 #define MAUDIO_SET_DTS          0x02 /* enabl    1008 #define MAUDIO_SET_DTS          0x02 /* enable DTS Digital Output */
1419 #define MAUDIO_SET_96K          0x04 /* 48-96 !! 1009 #define MAUDIO_SET_96K          0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
1420 #define MAUDIO_SET_24B          0x08 /* 24bit    1010 #define MAUDIO_SET_24B          0x08 /* 24bits sample if set, 16bits otherwise */
1421 #define MAUDIO_SET_DI           0x10 /* enabl    1011 #define MAUDIO_SET_DI           0x10 /* enable Digital Input */
1422 #define MAUDIO_SET_MASK         0x1f /* bit m    1012 #define MAUDIO_SET_MASK         0x1f /* bit mask for setup value */
1423 #define MAUDIO_SET_24B_48K_DI    0x19 /* 24bi !! 1013 #define MAUDIO_SET_24B_48K_DI    0x19 /* 24bits+48KHz+Digital Input */
1424 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bi !! 1014 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
1425 #define MAUDIO_SET_16B_48K_DI    0x11 /* 16bi !! 1015 #define MAUDIO_SET_16B_48K_DI    0x11 /* 16bits+48KHz+Digital Input */
1426 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bi !! 1016 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
1427                                                  1017 
1428 static int quattro_skip_setting_quirk(struct     1018 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1429                                       int ifa    1019                                       int iface, int altno)
1430 {                                                1020 {
1431         /* Reset ALL ifaces to 0 altsetting.     1021         /* Reset ALL ifaces to 0 altsetting.
1432          * Call it for every possible altsett    1022          * Call it for every possible altsetting of every interface.
1433          */                                      1023          */
1434         usb_set_interface(chip->dev, iface, 0    1024         usb_set_interface(chip->dev, iface, 0);
1435         if (chip->setup & MAUDIO_SET) {          1025         if (chip->setup & MAUDIO_SET) {
1436                 if (chip->setup & MAUDIO_SET_    1026                 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1437                         if (iface != 1 && ifa    1027                         if (iface != 1 && iface != 2)
1438                                 return 1; /*     1028                                 return 1; /* skip all interfaces but 1 and 2 */
1439                 } else {                         1029                 } else {
1440                         unsigned int mask;       1030                         unsigned int mask;
1441                         if (iface == 1 || ifa    1031                         if (iface == 1 || iface == 2)
1442                                 return 1; /*     1032                                 return 1; /* skip interfaces 1 and 2 */
1443                         if ((chip->setup & MA    1033                         if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1444                                 return 1; /*     1034                                 return 1; /* skip this altsetting */
1445                         mask = chip->setup &     1035                         mask = chip->setup & MAUDIO_SET_MASK;
1446                         if (mask == MAUDIO_SE    1036                         if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1447                                 return 1; /*     1037                                 return 1; /* skip this altsetting */
1448                         if (mask == MAUDIO_SE    1038                         if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1449                                 return 1; /*     1039                                 return 1; /* skip this altsetting */
1450                         if (mask == MAUDIO_SE    1040                         if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1451                                 return 1; /*     1041                                 return 1; /* skip this altsetting */
1452                 }                                1042                 }
1453         }                                        1043         }
1454         usb_audio_dbg(chip,                      1044         usb_audio_dbg(chip,
1455                     "using altsetting %d for     1045                     "using altsetting %d for interface %d config %d\n",
1456                     altno, iface, chip->setup    1046                     altno, iface, chip->setup);
1457         return 0; /* keep this altsetting */     1047         return 0; /* keep this altsetting */
1458 }                                                1048 }
1459                                                  1049 
1460 static int audiophile_skip_setting_quirk(stru    1050 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1461                                          int     1051                                          int iface,
1462                                          int     1052                                          int altno)
1463 {                                                1053 {
1464         /* Reset ALL ifaces to 0 altsetting.     1054         /* Reset ALL ifaces to 0 altsetting.
1465          * Call it for every possible altsett    1055          * Call it for every possible altsetting of every interface.
1466          */                                      1056          */
1467         usb_set_interface(chip->dev, iface, 0    1057         usb_set_interface(chip->dev, iface, 0);
1468                                                  1058 
1469         if (chip->setup & MAUDIO_SET) {          1059         if (chip->setup & MAUDIO_SET) {
1470                 unsigned int mask;               1060                 unsigned int mask;
1471                 if ((chip->setup & MAUDIO_SET    1061                 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1472                         return 1; /* skip thi    1062                         return 1; /* skip this altsetting */
1473                 if ((chip->setup & MAUDIO_SET    1063                 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1474                         return 1; /* skip thi    1064                         return 1; /* skip this altsetting */
1475                 mask = chip->setup & MAUDIO_S    1065                 mask = chip->setup & MAUDIO_SET_MASK;
1476                 if (mask == MAUDIO_SET_24B_48    1066                 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1477                         return 1; /* skip thi    1067                         return 1; /* skip this altsetting */
1478                 if (mask == MAUDIO_SET_24B_48    1068                 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1479                         return 1; /* skip thi    1069                         return 1; /* skip this altsetting */
1480                 if (mask == MAUDIO_SET_16B_48    1070                 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1481                         return 1; /* skip thi    1071                         return 1; /* skip this altsetting */
1482                 if (mask == MAUDIO_SET_16B_48    1072                 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1483                         return 1; /* skip thi    1073                         return 1; /* skip this altsetting */
1484         }                                        1074         }
1485                                                  1075 
1486         return 0; /* keep this altsetting */     1076         return 0; /* keep this altsetting */
1487 }                                                1077 }
1488                                                  1078 
1489 static int fasttrackpro_skip_setting_quirk(st    1079 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1490                                            in    1080                                            int iface, int altno)
1491 {                                                1081 {
1492         /* Reset ALL ifaces to 0 altsetting.     1082         /* Reset ALL ifaces to 0 altsetting.
1493          * Call it for every possible altsett    1083          * Call it for every possible altsetting of every interface.
1494          */                                      1084          */
1495         usb_set_interface(chip->dev, iface, 0    1085         usb_set_interface(chip->dev, iface, 0);
1496                                                  1086 
1497         /* possible configuration where both     1087         /* possible configuration where both inputs and only one output is
1498          *used is not supported by the curren    1088          *used is not supported by the current setup
1499          */                                      1089          */
1500         if (chip->setup & (MAUDIO_SET | MAUDI    1090         if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1501                 if (chip->setup & MAUDIO_SET_    1091                 if (chip->setup & MAUDIO_SET_96K) {
1502                         if (altno != 3 && alt    1092                         if (altno != 3 && altno != 6)
1503                                 return 1;        1093                                 return 1;
1504                 } else if (chip->setup & MAUD    1094                 } else if (chip->setup & MAUDIO_SET_DI) {
1505                         if (iface == 4)          1095                         if (iface == 4)
1506                                 return 1; /*     1096                                 return 1; /* no analog input */
1507                         if (altno != 2 && alt    1097                         if (altno != 2 && altno != 5)
1508                                 return 1; /*     1098                                 return 1; /* enable only altsets 2 and 5 */
1509                 } else {                         1099                 } else {
1510                         if (iface == 5)          1100                         if (iface == 5)
1511                                 return 1; /*     1101                                 return 1; /* disable digialt input */
1512                         if (altno != 2 && alt    1102                         if (altno != 2 && altno != 5)
1513                                 return 1; /*     1103                                 return 1; /* enalbe only altsets 2 and 5 */
1514                 }                                1104                 }
1515         } else {                                 1105         } else {
1516                 /* keep only 16-Bit mode */      1106                 /* keep only 16-Bit mode */
1517                 if (altno != 1)                  1107                 if (altno != 1)
1518                         return 1;                1108                         return 1;
1519         }                                        1109         }
1520                                                  1110 
1521         usb_audio_dbg(chip,                      1111         usb_audio_dbg(chip,
1522                     "using altsetting %d for     1112                     "using altsetting %d for interface %d config %d\n",
1523                     altno, iface, chip->setup    1113                     altno, iface, chip->setup);
1524         return 0; /* keep this altsetting */     1114         return 0; /* keep this altsetting */
1525 }                                                1115 }
1526                                                  1116 
1527 static int s1810c_skip_setting_quirk(struct s << 
1528                                            in << 
1529 {                                             << 
1530         /*                                    << 
1531          * Altno settings:                    << 
1532          *                                    << 
1533          * Playback (Interface 1):            << 
1534          * 1: 6 Analog + 2 S/PDIF             << 
1535          * 2: 6 Analog + 2 S/PDIF             << 
1536          * 3: 6 Analog                        << 
1537          *                                    << 
1538          * Capture (Interface 2):             << 
1539          * 1: 8 Analog + 2 S/PDIF + 8 ADAT    << 
1540          * 2: 8 Analog + 2 S/PDIF + 4 ADAT    << 
1541          * 3: 8 Analog                        << 
1542          */                                   << 
1543                                               << 
1544         /*                                    << 
1545          * I'll leave 2 as the default one an << 
1546          * use device_setup to switch to the  << 
1547          * other two.                         << 
1548          */                                   << 
1549         if ((chip->setup == 0 || chip->setup  << 
1550                 return 1;                     << 
1551         else if (chip->setup == 1 && altno != << 
1552                 return 1;                     << 
1553         else if (chip->setup == 2 && altno != << 
1554                 return 1;                     << 
1555                                               << 
1556         return 0;                             << 
1557 }                                             << 
1558                                               << 
1559 int snd_usb_apply_interface_quirk(struct snd_    1117 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1560                                   int iface,     1118                                   int iface,
1561                                   int altno)     1119                                   int altno)
1562 {                                                1120 {
1563         /* audiophile usb: skip altsets incom    1121         /* audiophile usb: skip altsets incompatible with device_setup */
1564         if (chip->usb_id == USB_ID(0x0763, 0x    1122         if (chip->usb_id == USB_ID(0x0763, 0x2003))
1565                 return audiophile_skip_settin    1123                 return audiophile_skip_setting_quirk(chip, iface, altno);
1566         /* quattro usb: skip altsets incompat    1124         /* quattro usb: skip altsets incompatible with device_setup */
1567         if (chip->usb_id == USB_ID(0x0763, 0x    1125         if (chip->usb_id == USB_ID(0x0763, 0x2001))
1568                 return quattro_skip_setting_q    1126                 return quattro_skip_setting_quirk(chip, iface, altno);
1569         /* fasttrackpro usb: skip altsets inc    1127         /* fasttrackpro usb: skip altsets incompatible with device_setup */
1570         if (chip->usb_id == USB_ID(0x0763, 0x    1128         if (chip->usb_id == USB_ID(0x0763, 0x2012))
1571                 return fasttrackpro_skip_sett    1129                 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1572         /* presonus studio 1810c: skip altset << 
1573         if (chip->usb_id == USB_ID(0x194f, 0x << 
1574                 return s1810c_skip_setting_qu << 
1575                                               << 
1576                                                  1130 
1577         return 0;                                1131         return 0;
1578 }                                                1132 }
1579                                                  1133 
1580 int snd_usb_apply_boot_quirk(struct usb_devic    1134 int snd_usb_apply_boot_quirk(struct usb_device *dev,
1581                              struct usb_inter    1135                              struct usb_interface *intf,
1582                              const struct snd    1136                              const struct snd_usb_audio_quirk *quirk,
1583                              unsigned int id)    1137                              unsigned int id)
1584 {                                                1138 {
1585         switch (id) {                            1139         switch (id) {
1586         case USB_ID(0x041e, 0x3000):             1140         case USB_ID(0x041e, 0x3000):
1587                 /* SB Extigy needs special bo    1141                 /* SB Extigy needs special boot-up sequence */
1588                 /* if more models come, this     1142                 /* if more models come, this will go to the quirk list. */
1589                 return snd_usb_extigy_boot_qu    1143                 return snd_usb_extigy_boot_quirk(dev, intf);
1590                                                  1144 
1591         case USB_ID(0x041e, 0x3020):             1145         case USB_ID(0x041e, 0x3020):
1592                 /* SB Audigy 2 NX needs its o    1146                 /* SB Audigy 2 NX needs its own boot-up magic, too */
1593                 return snd_usb_audigy2nx_boot    1147                 return snd_usb_audigy2nx_boot_quirk(dev);
1594                                                  1148 
1595         case USB_ID(0x10f5, 0x0200):             1149         case USB_ID(0x10f5, 0x0200):
1596                 /* C-Media CM106 / Turtle Bea    1150                 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1597                 return snd_usb_cm106_boot_qui    1151                 return snd_usb_cm106_boot_quirk(dev);
1598                                                  1152 
1599         case USB_ID(0x0d8c, 0x0102):             1153         case USB_ID(0x0d8c, 0x0102):
1600                 /* C-Media CM6206 / CM106-Lik    1154                 /* C-Media CM6206 / CM106-Like Sound Device */
1601         case USB_ID(0x0ccd, 0x00b1): /* Terra    1155         case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1602                 return snd_usb_cm6206_boot_qu    1156                 return snd_usb_cm6206_boot_quirk(dev);
1603                                                  1157 
1604         case USB_ID(0x0dba, 0x3000):             1158         case USB_ID(0x0dba, 0x3000):
1605                 /* Digidesign Mbox 2 */          1159                 /* Digidesign Mbox 2 */
1606                 return snd_usb_mbox2_boot_qui    1160                 return snd_usb_mbox2_boot_quirk(dev);
1607         case USB_ID(0x0dba, 0x5000):          << 
1608                 /* Digidesign Mbox 3 */       << 
1609                 return snd_usb_mbox3_boot_qui << 
1610                                               << 
1611                                                  1161 
1612         case USB_ID(0x1235, 0x0010): /* Focus    1162         case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1613         case USB_ID(0x1235, 0x0018): /* Focus    1163         case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1614                 return snd_usb_novation_boot_    1164                 return snd_usb_novation_boot_quirk(dev);
1615                                                  1165 
1616         case USB_ID(0x133e, 0x0815):             1166         case USB_ID(0x133e, 0x0815):
1617                 /* Access Music VirusTI Deskt    1167                 /* Access Music VirusTI Desktop */
1618                 return snd_usb_accessmusic_bo    1168                 return snd_usb_accessmusic_boot_quirk(dev);
1619                                                  1169 
1620         case USB_ID(0x17cc, 0x1000): /* Kompl    1170         case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1621         case USB_ID(0x17cc, 0x1010): /* Trakt    1171         case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1622         case USB_ID(0x17cc, 0x1020): /* Trakt    1172         case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1623                 return snd_usb_nativeinstrume    1173                 return snd_usb_nativeinstruments_boot_quirk(dev);
1624         case USB_ID(0x0763, 0x2012):  /* M-Au    1174         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1625                 return snd_usb_fasttrackpro_b    1175                 return snd_usb_fasttrackpro_boot_quirk(dev);
1626         case USB_ID(0x047f, 0xc010): /* Plant    1176         case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1627                 return snd_usb_gamecon780_boo    1177                 return snd_usb_gamecon780_boot_quirk(dev);
1628         case USB_ID(0x2466, 0x8010): /* Fract    1178         case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1629                 return snd_usb_axefx3_boot_qu    1179                 return snd_usb_axefx3_boot_quirk(dev);
1630         case USB_ID(0x07fd, 0x0004): /* MOTU  << 
1631                 /*                            << 
1632                  * For some reason interface  << 
1633                  * detected on MicroBook IIc. << 
1634                  */                           << 
1635                 if (get_iface_desc(intf->alts << 
1636                     USB_CLASS_VENDOR_SPEC &&  << 
1637                     get_iface_desc(intf->alts << 
1638                         return snd_usb_motu_m << 
1639                 break;                        << 
1640         case USB_ID(0x2a39, 0x3f8c): /* RME D << 
1641                 return snd_usb_rme_digiface_b << 
1642         }                                     << 
1643                                               << 
1644         return 0;                             << 
1645 }                                             << 
1646                                               << 
1647 int snd_usb_apply_boot_quirk_once(struct usb_ << 
1648                                   struct usb_ << 
1649                                   const struc << 
1650                                   unsigned in << 
1651 {                                             << 
1652         switch (id) {                         << 
1653         case USB_ID(0x07fd, 0x0008): /* MOTU  << 
1654                 return snd_usb_motu_m_series_ << 
1655         }                                        1180         }
1656                                                  1181 
1657         return 0;                                1182         return 0;
1658 }                                                1183 }
1659                                                  1184 
1660 /*                                               1185 /*
1661  * check if the device uses big-endian sample    1186  * check if the device uses big-endian samples
1662  */                                              1187  */
1663 int snd_usb_is_big_endian_format(struct snd_u !! 1188 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
1664                                  const struct << 
1665 {                                                1189 {
1666         /* it depends on altsetting whether t    1190         /* it depends on altsetting whether the device is big-endian or not */
1667         switch (chip->usb_id) {                  1191         switch (chip->usb_id) {
1668         case USB_ID(0x0763, 0x2001): /* M-Aud    1192         case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1669                 if (fp->altsetting == 2 || fp    1193                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1670                         fp->altsetting == 5 |    1194                         fp->altsetting == 5 || fp->altsetting == 6)
1671                         return 1;                1195                         return 1;
1672                 break;                           1196                 break;
1673         case USB_ID(0x0763, 0x2003): /* M-Aud    1197         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1674                 if (chip->setup == 0x00 ||       1198                 if (chip->setup == 0x00 ||
1675                         fp->altsetting == 1 |    1199                         fp->altsetting == 1 || fp->altsetting == 2 ||
1676                         fp->altsetting == 3)     1200                         fp->altsetting == 3)
1677                         return 1;                1201                         return 1;
1678                 break;                           1202                 break;
1679         case USB_ID(0x0763, 0x2012): /* M-Aud    1203         case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1680                 if (fp->altsetting == 2 || fp    1204                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1681                         fp->altsetting == 5 |    1205                         fp->altsetting == 5 || fp->altsetting == 6)
1682                         return 1;                1206                         return 1;
1683                 break;                           1207                 break;
1684         }                                        1208         }
1685         return 0;                                1209         return 0;
1686 }                                                1210 }
1687                                                  1211 
1688 /*                                               1212 /*
1689  * For E-Mu 0404USB/0202USB/TrackerPre/0204 s    1213  * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1690  * not for interface.                            1214  * not for interface.
1691  */                                              1215  */
1692                                                  1216 
1693 enum {                                           1217 enum {
1694         EMU_QUIRK_SR_44100HZ = 0,                1218         EMU_QUIRK_SR_44100HZ = 0,
1695         EMU_QUIRK_SR_48000HZ,                    1219         EMU_QUIRK_SR_48000HZ,
1696         EMU_QUIRK_SR_88200HZ,                    1220         EMU_QUIRK_SR_88200HZ,
1697         EMU_QUIRK_SR_96000HZ,                    1221         EMU_QUIRK_SR_96000HZ,
1698         EMU_QUIRK_SR_176400HZ,                   1222         EMU_QUIRK_SR_176400HZ,
1699         EMU_QUIRK_SR_192000HZ                    1223         EMU_QUIRK_SR_192000HZ
1700 };                                               1224 };
1701                                                  1225 
1702 static void set_format_emu_quirk(struct snd_u    1226 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1703                                  const struct !! 1227                                  struct audioformat *fmt)
1704 {                                                1228 {
1705         unsigned char emu_samplerate_id = 0;     1229         unsigned char emu_samplerate_id = 0;
1706                                                  1230 
1707         /* When capture is active                1231         /* When capture is active
1708          * sample rate shouldn't be changed      1232          * sample rate shouldn't be changed
1709          * by playback substream                 1233          * by playback substream
1710          */                                      1234          */
1711         if (subs->direction == SNDRV_PCM_STRE    1235         if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1712                 if (subs->stream->substream[S !! 1236                 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
1713                         return;                  1237                         return;
1714         }                                        1238         }
1715                                                  1239 
1716         switch (fmt->rate_min) {                 1240         switch (fmt->rate_min) {
1717         case 48000:                              1241         case 48000:
1718                 emu_samplerate_id = EMU_QUIRK    1242                 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1719                 break;                           1243                 break;
1720         case 88200:                              1244         case 88200:
1721                 emu_samplerate_id = EMU_QUIRK    1245                 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1722                 break;                           1246                 break;
1723         case 96000:                              1247         case 96000:
1724                 emu_samplerate_id = EMU_QUIRK    1248                 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1725                 break;                           1249                 break;
1726         case 176400:                             1250         case 176400:
1727                 emu_samplerate_id = EMU_QUIRK    1251                 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1728                 break;                           1252                 break;
1729         case 192000:                             1253         case 192000:
1730                 emu_samplerate_id = EMU_QUIRK    1254                 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1731                 break;                           1255                 break;
1732         default:                                 1256         default:
1733                 emu_samplerate_id = EMU_QUIRK    1257                 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1734                 break;                           1258                 break;
1735         }                                        1259         }
1736         snd_emuusb_set_samplerate(subs->strea    1260         snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1737         subs->pkt_offset_adj = (emu_samplerat    1261         subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1738 }                                                1262 }
1739                                                  1263 
1740 static int pioneer_djm_set_format_quirk(struc !! 1264 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1741                                         u16 w !! 1265                               struct audioformat *fmt)
1742 {                                                1266 {
1743         unsigned int cur_rate = subs->data_en !! 1267         switch (subs->stream->chip->usb_id) {
1744         u8 sr[3];                             !! 1268         case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1745         // Convert to little endian           !! 1269         case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1746         sr[0] = cur_rate & 0xff;              !! 1270         case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1747         sr[1] = (cur_rate >> 8) & 0xff;       !! 1271         case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1748         sr[2] = (cur_rate >> 16) & 0xff;      !! 1272                 set_format_emu_quirk(subs, fmt);
1749         usb_set_interface(subs->dev, 0, 1);   !! 1273                 break;
1750         // we should derive windex from fmt-s !! 1274         }
1751         snd_usb_ctl_msg(subs->stream->chip->d << 
1752                 usb_sndctrlpipe(subs->stream- << 
1753                 0x01, 0x22, 0x0100, windex, & << 
1754         return 0;                             << 
1755 }                                                1275 }
1756                                                  1276 
1757 static void mbox3_set_format_quirk(struct snd !! 1277 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
1758                                 const struct  << 
1759 {                                                1278 {
1760         __le32 buff4 = 0;                     !! 1279         /* devices which do not support reading the sample rate. */
1761         u8 buff1 = 0x01;                      !! 1280         switch (chip->usb_id) {
1762         u32 new_rate = subs->data_endpoint->c !! 1281         case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
1763         u32 current_rate;                     !! 1282         case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
1764                                               !! 1283         case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
1765         // Get current rate from card and che !! 1284         case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
1766         snd_usb_ctl_msg(subs->dev, usb_rcvctr !! 1285         case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1767                                         0x01, !! 1286         case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
1768         current_rate = le32_to_cpu(buff4);    !! 1287         case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
1769         dev_dbg(&subs->dev->dev,              !! 1288         case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
1770                          "MBOX3: Current conf !! 1289                 return true;
1771         if (current_rate == new_rate) {       << 
1772                 dev_dbg(&subs->dev->dev,      << 
1773                         "MBOX3: No change nee << 
1774                         current_rate, new_rat << 
1775                 return;                       << 
1776         }                                        1290         }
1777                                                  1291 
1778         // Set new rate                       !! 1292         /* devices of these vendors don't support reading rate, either */
1779         dev_info(&subs->dev->dev,             !! 1293         switch (USB_ID_VENDOR(chip->usb_id)) {
1780                          "MBOX3: Changing sam !! 1294         case 0x045E: /* MS Lifecam */
1781         buff4 = cpu_to_le32(new_rate);        !! 1295         case 0x047F: /* Plantronics */
1782         snd_usb_ctl_msg(subs->dev, usb_sndctr !! 1296         case 0x1de7: /* Phoenix Audio */
1783                                         0x01, !! 1297                 return true;
1784                                               << 
1785         // Set clock source to Internal       << 
1786         snd_usb_ctl_msg(subs->dev, usb_sndctr << 
1787                                         0x01, << 
1788                                               << 
1789         // Check whether the change was succe << 
1790         buff4 = 0;                            << 
1791         snd_usb_ctl_msg(subs->dev, usb_rcvctr << 
1792                                         0x01, << 
1793         if (new_rate != le32_to_cpu(buff4))   << 
1794                 dev_warn(&subs->dev->dev, "MB << 
1795 }                                             << 
1796                                               << 
1797 static const int rme_digiface_rate_table[] =  << 
1798         32000, 44100, 48000, 0,               << 
1799         64000, 88200, 96000, 0,               << 
1800         128000, 176400, 192000, 0,            << 
1801 };                                            << 
1802                                               << 
1803 static int rme_digiface_set_format_quirk(stru << 
1804 {                                             << 
1805         unsigned int cur_rate = subs->data_en << 
1806         u16 val;                              << 
1807         int speed_mode;                       << 
1808         int id;                               << 
1809                                               << 
1810         for (id = 0; id < ARRAY_SIZE(rme_digi << 
1811                 if (rme_digiface_rate_table[i << 
1812                         break;                << 
1813         }                                        1298         }
1814                                                  1299 
1815         if (id >= ARRAY_SIZE(rme_digiface_rat !! 1300         return false;
1816                 return -EINVAL;               << 
1817                                               << 
1818         /* 2, 3, 4 for 1x, 2x, 4x */          << 
1819         speed_mode = (id >> 2) + 2;           << 
1820         val = (id << 3) | (speed_mode << 12); << 
1821                                               << 
1822         /* Set the sample rate */             << 
1823         snd_usb_ctl_msg(subs->stream->chip->d << 
1824                 usb_sndctrlpipe(subs->stream- << 
1825                 16, 0x40, val, 0x7078, NULL,  << 
1826         return 0;                             << 
1827 }                                                1301 }
1828                                                  1302 
1829 void snd_usb_set_format_quirk(struct snd_usb_ !! 1303 /* ITF-USB DSD based DACs need a vendor cmd to switch
1830                               const struct au !! 1304  * between PCM and native DSD mode
                                                   >> 1305  */
                                                   >> 1306 static bool is_itf_usb_dsd_dac(unsigned int id)
1831 {                                                1307 {
1832         switch (subs->stream->chip->usb_id) { !! 1308         switch (id) {
1833         case USB_ID(0x041e, 0x3f02): /* E-Mu  !! 1309         case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1834         case USB_ID(0x041e, 0x3f04): /* E-Mu  !! 1310         case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1835         case USB_ID(0x041e, 0x3f0a): /* E-Mu  !! 1311         case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1836         case USB_ID(0x041e, 0x3f19): /* E-Mu  !! 1312         case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
1837                 set_format_emu_quirk(subs, fm !! 1313         case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
1838                 break;                        !! 1314         case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
1839         case USB_ID(0x534d, 0x0021): /* Macro !! 1315         case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
1840         case USB_ID(0x534d, 0x2109): /* Macro !! 1316                 return true;
1841                 subs->stream_offset_adj = 2;  << 
1842                 break;                        << 
1843         case USB_ID(0x2b73, 0x0013): /* Pione << 
1844                 pioneer_djm_set_format_quirk( << 
1845                 break;                        << 
1846         case USB_ID(0x08e4, 0x017f): /* Pione << 
1847         case USB_ID(0x08e4, 0x0163): /* Pione << 
1848                 pioneer_djm_set_format_quirk( << 
1849                 break;                        << 
1850         case USB_ID(0x0dba, 0x5000):          << 
1851                 mbox3_set_format_quirk(subs,  << 
1852                 break;                        << 
1853         case USB_ID(0x2a39, 0x3f8c): /* RME D << 
1854                 rme_digiface_set_format_quirk << 
1855                 break;                        << 
1856         }                                        1317         }
                                                   >> 1318         return false;
1857 }                                                1319 }
1858                                                  1320 
1859 int snd_usb_select_mode_quirk(struct snd_usb_ !! 1321 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
1860                               const struct au !! 1322                               struct audioformat *fmt)
1861 {                                                1323 {
1862         struct usb_device *dev = chip->dev;   !! 1324         struct usb_device *dev = subs->dev;
1863         int err;                                 1325         int err;
1864                                                  1326 
1865         if (chip->quirk_flags & QUIRK_FLAG_IT !! 1327         if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
1866                 /* First switch to alt set 0,    1328                 /* First switch to alt set 0, otherwise the mode switch cmd
1867                  * will not be accepted by th    1329                  * will not be accepted by the DAC
1868                  */                              1330                  */
1869                 err = usb_set_interface(dev,     1331                 err = usb_set_interface(dev, fmt->iface, 0);
1870                 if (err < 0)                     1332                 if (err < 0)
1871                         return err;              1333                         return err;
1872                                                  1334 
1873                 msleep(20); /* Delay needed a    1335                 msleep(20); /* Delay needed after setting the interface */
1874                                                  1336 
1875                 /* Vendor mode switch cmd is     1337                 /* Vendor mode switch cmd is required. */
1876                 if (fmt->formats & SNDRV_PCM_    1338                 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1877                         /* DSD mode (DSD_U32)    1339                         /* DSD mode (DSD_U32) requested */
1878                         err = snd_usb_ctl_msg    1340                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1879                                                  1341                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1880                                                  1342                                               1, 1, NULL, 0);
1881                         if (err < 0)             1343                         if (err < 0)
1882                                 return err;      1344                                 return err;
1883                                                  1345 
1884                 } else {                         1346                 } else {
1885                         /* PCM or DOP mode (S    1347                         /* PCM or DOP mode (S32) requested */
1886                         /* PCM mode (S16) req    1348                         /* PCM mode (S16) requested */
1887                         err = snd_usb_ctl_msg    1349                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1888                                                  1350                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1889                                                  1351                                               0, 1, NULL, 0);
1890                         if (err < 0)             1352                         if (err < 0)
1891                                 return err;      1353                                 return err;
1892                                                  1354 
1893                 }                                1355                 }
1894                 msleep(20);                      1356                 msleep(20);
1895         }                                        1357         }
1896         return 0;                                1358         return 0;
1897 }                                                1359 }
1898                                                  1360 
1899 void snd_usb_endpoint_start_quirk(struct snd_    1361 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1900 {                                                1362 {
1901         /*                                       1363         /*
1902          * "Playback Design" products send bo    1364          * "Playback Design" products send bogus feedback data at the start
1903          * of the stream. Ignore them.           1365          * of the stream. Ignore them.
1904          */                                      1366          */
1905         if (USB_ID_VENDOR(ep->chip->usb_id) =    1367         if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1906             ep->type == SND_USB_ENDPOINT_TYPE    1368             ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1907                 ep->skip_packets = 4;            1369                 ep->skip_packets = 4;
1908                                                  1370 
1909         /*                                       1371         /*
1910          * M-Audio Fast Track C400/C600 - whe    1372          * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1911          * world latency varies by approx. +/ !! 1373          * world latency varies by approx. +/- 50 frames (at 96KHz) each time
1912          * the stream is (re)started. When sk    1374          * the stream is (re)started. When skipping packets 16 at endpoint
1913          * start up, the real world latency i    1375          * start up, the real world latency is stable within +/- 1 frame (also
1914          * across power cycles).                 1376          * across power cycles).
1915          */                                      1377          */
1916         if ((ep->chip->usb_id == USB_ID(0x076    1378         if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1917              ep->chip->usb_id == USB_ID(0x076    1379              ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1918             ep->type == SND_USB_ENDPOINT_TYPE    1380             ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1919                 ep->skip_packets = 16;           1381                 ep->skip_packets = 16;
1920                                                  1382 
1921         /* Work around devices that report un    1383         /* Work around devices that report unreasonable feedback data */
1922         if ((ep->chip->usb_id == USB_ID(0x064    1384         if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */
1923              ep->chip->usb_id == USB_ID(0x185    1385              ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1924             ep->syncmaxsize == 4)                1386             ep->syncmaxsize == 4)
1925                 ep->tenor_fb_quirk = 1;          1387                 ep->tenor_fb_quirk = 1;
1926 }                                                1388 }
1927                                                  1389 
                                                   >> 1390 void snd_usb_set_interface_quirk(struct usb_device *dev)
                                                   >> 1391 {
                                                   >> 1392         struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
                                                   >> 1393 
                                                   >> 1394         if (!chip)
                                                   >> 1395                 return;
                                                   >> 1396         /*
                                                   >> 1397          * "Playback Design" products need a 50ms delay after setting the
                                                   >> 1398          * USB interface.
                                                   >> 1399          */
                                                   >> 1400         switch (USB_ID_VENDOR(chip->usb_id)) {
                                                   >> 1401         case 0x23ba: /* Playback Design */
                                                   >> 1402         case 0x0644: /* TEAC Corp. */
                                                   >> 1403                 msleep(50);
                                                   >> 1404                 break;
                                                   >> 1405         }
                                                   >> 1406 }
                                                   >> 1407 
1928 /* quirk applied after snd_usb_ctl_msg(); not    1408 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1929 void snd_usb_ctl_msg_quirk(struct usb_device     1409 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1930                            __u8 request, __u8    1410                            __u8 request, __u8 requesttype, __u16 value,
1931                            __u16 index, void     1411                            __u16 index, void *data, __u16 size)
1932 {                                                1412 {
1933         struct snd_usb_audio *chip = dev_get_    1413         struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1934                                                  1414 
1935         if (!chip || (requesttype & USB_TYPE_ !! 1415         if (!chip)
1936                 return;                          1416                 return;
                                                   >> 1417         /*
                                                   >> 1418          * "Playback Design" products need a 20ms delay after each
                                                   >> 1419          * class compliant request
                                                   >> 1420          */
                                                   >> 1421         if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
                                                   >> 1422             (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
                                                   >> 1423                 msleep(20);
1937                                                  1424 
1938         if (chip->quirk_flags & QUIRK_FLAG_CT !! 1425         /*
                                                   >> 1426          * "TEAC Corp." products need a 20ms delay after each
                                                   >> 1427          * class compliant request
                                                   >> 1428          */
                                                   >> 1429         if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
                                                   >> 1430             (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1939                 msleep(20);                      1431                 msleep(20);
1940         else if (chip->quirk_flags & QUIRK_FL !! 1432 
                                                   >> 1433         /* ITF-USB DSD based DACs functionality need a delay
                                                   >> 1434          * after each class compliant request
                                                   >> 1435          */
                                                   >> 1436         if (is_itf_usb_dsd_dac(chip->usb_id)
                                                   >> 1437             && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
                                                   >> 1438                 msleep(20);
                                                   >> 1439 
                                                   >> 1440         /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here,
                                                   >> 1441          * otherwise requests like get/set frequency return as failed despite
                                                   >> 1442          * actually succeeding.
                                                   >> 1443          */
                                                   >> 1444         if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
                                                   >> 1445              chip->usb_id == USB_ID(0x046d, 0x0a46) ||
                                                   >> 1446              chip->usb_id == USB_ID(0x0b0e, 0x0349)) &&
                                                   >> 1447             (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1941                 usleep_range(1000, 2000);        1448                 usleep_range(1000, 2000);
1942         else if (chip->quirk_flags & QUIRK_FL << 
1943                 usleep_range(5000, 6000);     << 
1944 }                                                1449 }
1945                                                  1450 
1946 /*                                               1451 /*
1947  * snd_usb_interface_dsd_format_quirks() is c    1452  * snd_usb_interface_dsd_format_quirks() is called from format.c to
1948  * augment the PCM format bit-field for DSD t    1453  * augment the PCM format bit-field for DSD types. The UAC standards
1949  * don't have a designated bit field to denot    1454  * don't have a designated bit field to denote DSD-capable interfaces,
1950  * hence all hardware that is known to suppor    1455  * hence all hardware that is known to support this format has to be
1951  * listed here.                                  1456  * listed here.
1952  */                                              1457  */
1953 u64 snd_usb_interface_dsd_format_quirks(struc    1458 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1954                                         struc    1459                                         struct audioformat *fp,
1955                                         unsig    1460                                         unsigned int sample_bytes)
1956 {                                                1461 {
1957         struct usb_interface *iface;             1462         struct usb_interface *iface;
1958                                                  1463 
1959         /* Playback Designs */                   1464         /* Playback Designs */
1960         if (USB_ID_VENDOR(chip->usb_id) == 0x !! 1465         if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
1961             USB_ID_PRODUCT(chip->usb_id) < 0x << 
1962                 switch (fp->altsetting) {        1466                 switch (fp->altsetting) {
1963                 case 1:                          1467                 case 1:
1964                         fp->dsd_dop = true;      1468                         fp->dsd_dop = true;
1965                         return SNDRV_PCM_FMTB    1469                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1966                 case 2:                          1470                 case 2:
1967                         fp->dsd_bitrev = true    1471                         fp->dsd_bitrev = true;
1968                         return SNDRV_PCM_FMTB    1472                         return SNDRV_PCM_FMTBIT_DSD_U8;
1969                 case 3:                          1473                 case 3:
1970                         fp->dsd_bitrev = true    1474                         fp->dsd_bitrev = true;
1971                         return SNDRV_PCM_FMTB    1475                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1972                 }                                1476                 }
1973         }                                        1477         }
1974                                                  1478 
1975         /* XMOS based USB DACs */                1479         /* XMOS based USB DACs */
1976         switch (chip->usb_id) {                  1480         switch (chip->usb_id) {
1977         case USB_ID(0x139f, 0x5504): /* Nagra !! 1481         case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
1978         case USB_ID(0x20b1, 0x3089): /* Mola- !! 1482         case USB_ID(0x20b1, 0x0002): /* Wyred 4 Sound DAC-2 DSD */
1979         case USB_ID(0x2522, 0x0007): /* LH La !! 1483         case USB_ID(0x20b1, 0x2004): /* Matrix Audio X-SPDIF 2 */
1980         case USB_ID(0x2522, 0x0009): /* LH La !! 1484         case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
                                                   >> 1485         case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
                                                   >> 1486         case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
                                                   >> 1487         case USB_ID(0x22d9, 0x0436): /* OPPO Sonica */
                                                   >> 1488         case USB_ID(0x22d9, 0x0461): /* OPPO UDP-205 */
1981         case USB_ID(0x2522, 0x0012): /* LH La    1489         case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1982         case USB_ID(0x2772, 0x0230): /* Pro-J    1490         case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1983                 if (fp->altsetting == 2)         1491                 if (fp->altsetting == 2)
1984                         return SNDRV_PCM_FMTB    1492                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1985                 break;                           1493                 break;
1986                                                  1494 
1987         case USB_ID(0x0d8c, 0x0316): /* Hegel << 
1988         case USB_ID(0x10cb, 0x0103): /* The B    1495         case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1989         case USB_ID(0x16d0, 0x06b2): /* NuPri !! 1496         case USB_ID(0x152a, 0x85de): /* SMSL D1 DAC */
1990         case USB_ID(0x16d0, 0x06b4): /* NuPri !! 1497         case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
                                                   >> 1498         case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
                                                   >> 1499         case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
1991         case USB_ID(0x16d0, 0x0733): /* Furut    1500         case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1992         case USB_ID(0x16d0, 0x09d8): /* NuPri << 
1993         case USB_ID(0x16d0, 0x09db): /* NuPri    1501         case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1994         case USB_ID(0x16d0, 0x09dd): /* Encor << 
1995         case USB_ID(0x1db5, 0x0003): /* Bryst    1502         case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1996         case USB_ID(0x20a0, 0x4143): /* WaveI !! 1503         case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
                                                   >> 1504         case USB_ID(0x20b1, 0x2005): /* Denafrips Ares DAC */
                                                   >> 1505         case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
                                                   >> 1506         case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
                                                   >> 1507         case USB_ID(0x20b1, 0x3021): /* Eastern El. MiniMax Tube DAC Supreme */
                                                   >> 1508         case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
                                                   >> 1509         case USB_ID(0x20b1, 0x302d): /* Unison Research Unico CD Due */
                                                   >> 1510         case USB_ID(0x20b1, 0x307b): /* CH Precision C1 DAC */
                                                   >> 1511         case USB_ID(0x20b1, 0x3086): /* Singxer F-1 converter board */
                                                   >> 1512         case USB_ID(0x22d9, 0x0426): /* OPPO HA-2 */
1997         case USB_ID(0x22e1, 0xca01): /* HDTA     1513         case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1998         case USB_ID(0x249c, 0x9326): /* M2Tec    1514         case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1999         case USB_ID(0x2616, 0x0106): /* PS Au    1515         case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
2000         case USB_ID(0x2622, 0x0041): /* Audio    1516         case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
2001         case USB_ID(0x278b, 0x5100): /* Rotel << 
2002         case USB_ID(0x27f7, 0x3002): /* W4S D    1517         case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
2003         case USB_ID(0x29a2, 0x0086): /* Mutec    1518         case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
2004         case USB_ID(0x6b42, 0x0042): /* MSB T    1519         case USB_ID(0x6b42, 0x0042): /* MSB Technology */
2005                 if (fp->altsetting == 3)         1520                 if (fp->altsetting == 3)
2006                         return SNDRV_PCM_FMTB    1521                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2007                 break;                           1522                 break;
2008                                                  1523 
2009         /* Amanero Combo384 USB based DACs wi    1524         /* Amanero Combo384 USB based DACs with native DSD support */
2010         case USB_ID(0x16d0, 0x071a):  /* Aman    1525         case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
                                                   >> 1526         case USB_ID(0x2ab6, 0x0004):  /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
                                                   >> 1527         case USB_ID(0x2ab6, 0x0005):  /* T+A USB HD Audio 1 */
                                                   >> 1528         case USB_ID(0x2ab6, 0x0006):  /* T+A USB HD Audio 2 */
2011                 if (fp->altsetting == 2) {       1529                 if (fp->altsetting == 2) {
2012                         switch (le16_to_cpu(c    1530                         switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
2013                         case 0x199:              1531                         case 0x199:
2014                                 return SNDRV_    1532                                 return SNDRV_PCM_FMTBIT_DSD_U32_LE;
2015                         case 0x19b:              1533                         case 0x19b:
2016                         case 0x203:              1534                         case 0x203:
2017                                 return SNDRV_    1535                                 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2018                         default:                 1536                         default:
2019                                 break;           1537                                 break;
2020                         }                        1538                         }
2021                 }                                1539                 }
2022                 break;                           1540                 break;
2023         case USB_ID(0x16d0, 0x0a23):             1541         case USB_ID(0x16d0, 0x0a23):
2024                 if (fp->altsetting == 2)         1542                 if (fp->altsetting == 2)
2025                         return SNDRV_PCM_FMTB    1543                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2026                 break;                           1544                 break;
2027                                                  1545 
2028         default:                                 1546         default:
2029                 break;                           1547                 break;
2030         }                                        1548         }
2031                                                  1549 
2032         /* ITF-USB DSD based DACs */             1550         /* ITF-USB DSD based DACs */
2033         if (chip->quirk_flags & QUIRK_FLAG_IT !! 1551         if (is_itf_usb_dsd_dac(chip->usb_id)) {
2034                 iface = usb_ifnum_to_if(chip-    1552                 iface = usb_ifnum_to_if(chip->dev, fp->iface);
2035                                                  1553 
2036                 /* Altsetting 2 support nativ    1554                 /* Altsetting 2 support native DSD if the num of altsets is
2037                  * three (0-2),                  1555                  * three (0-2),
2038                  * Altsetting 3 support nativ    1556                  * Altsetting 3 support native DSD if the num of altsets is
2039                  * four (0-3).                   1557                  * four (0-3).
2040                  */                              1558                  */
2041                 if (fp->altsetting == iface->    1559                 if (fp->altsetting == iface->num_altsetting - 1)
2042                         return SNDRV_PCM_FMTB    1560                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2043         }                                        1561         }
2044                                                  1562 
2045         /* Mostly generic method to detect ma !! 1563         /* Mostly generic method to detect many DSD-capable implementations -
2046         if ((chip->quirk_flags & QUIRK_FLAG_D !! 1564          * from XMOS/Thesycon
2047                 return SNDRV_PCM_FMTBIT_DSD_U !! 1565          */
                                                   >> 1566         switch (USB_ID_VENDOR(chip->usb_id)) {
                                                   >> 1567         case 0x20b1:  /* XMOS based devices */
                                                   >> 1568         case 0x152a:  /* Thesycon devices */
                                                   >> 1569         case 0x25ce:  /* Mytek devices */
                                                   >> 1570         case 0x2ab6:  /* T+A devices */
                                                   >> 1571                 if (fp->dsd_raw)
                                                   >> 1572                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
                                                   >> 1573                 break;
                                                   >> 1574         default:
                                                   >> 1575                 break;
                                                   >> 1576 
                                                   >> 1577         }
2048                                                  1578 
2049         return 0;                                1579         return 0;
2050 }                                                1580 }
2051                                                  1581 
2052 void snd_usb_audioformat_attributes_quirk(str    1582 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
2053                                           str    1583                                           struct audioformat *fp,
2054                                           int    1584                                           int stream)
2055 {                                                1585 {
2056         switch (chip->usb_id) {                  1586         switch (chip->usb_id) {
2057         case USB_ID(0x0a92, 0x0053): /* Audio    1587         case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
2058                 /* Optoplay sets the sample r    1588                 /* Optoplay sets the sample rate attribute although
2059                  * it seems not supporting it    1589                  * it seems not supporting it in fact.
2060                  */                              1590                  */
2061                 fp->attributes &= ~UAC_EP_CS_    1591                 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
2062                 break;                           1592                 break;
2063         case USB_ID(0x041e, 0x3020): /* Creat    1593         case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
2064         case USB_ID(0x0763, 0x2003): /* M-Aud    1594         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
2065                 /* doesn't set the sample rat    1595                 /* doesn't set the sample rate attribute, but supports it */
2066                 fp->attributes |= UAC_EP_CS_A    1596                 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
2067                 break;                           1597                 break;
2068         case USB_ID(0x0763, 0x2001):  /* M-Au    1598         case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
2069         case USB_ID(0x0763, 0x2012):  /* M-Au    1599         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
2070         case USB_ID(0x047f, 0x0ca1): /* plant    1600         case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
2071         case USB_ID(0x077d, 0x07af): /* Griff    1601         case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
2072                                         an ol    1602                                         an older model 77d:223) */
2073         /*                                       1603         /*
2074          * plantronics headset and Griffin iM    1604          * plantronics headset and Griffin iMic have set adaptive-in
2075          * although it's really not...           1605          * although it's really not...
2076          */                                      1606          */
2077                 fp->ep_attr &= ~USB_ENDPOINT_    1607                 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
2078                 if (stream == SNDRV_PCM_STREA    1608                 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
2079                         fp->ep_attr |= USB_EN    1609                         fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
2080                 else                             1610                 else
2081                         fp->ep_attr |= USB_EN    1611                         fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
2082                 break;                           1612                 break;
2083         case USB_ID(0x07fd, 0x0004):  /* MOTU << 
2084                 /*                            << 
2085                  * MaxPacketsOnly attribute i << 
2086                  * descriptors. As a result t << 
2087                  * all sample rates other tha << 
2088                  */                           << 
2089                 fp->attributes &= ~UAC_EP_CS_ << 
2090                 break;                        << 
2091         case USB_ID(0x1224, 0x2a25):  /* Jiel << 
2092                 /* mic works only when ep pac << 
2093                 fp->attributes |= UAC_EP_CS_A << 
2094                 break;                        << 
2095         case USB_ID(0x3511, 0x2b1e): /* Openc << 
2096                 /* mic works only when ep pit << 
2097                 if (stream == SNDRV_PCM_STREA << 
2098                         fp->attributes &= ~UA << 
2099                 break;                        << 
2100         }                                     << 
2101 }                                             << 
2102                                               << 
2103 /*                                            << 
2104  * driver behavior quirk flags                << 
2105  */                                           << 
2106 struct usb_audio_quirk_flags_table {          << 
2107         u32 id;                               << 
2108         u32 flags;                            << 
2109 };                                            << 
2110                                               << 
2111 #define DEVICE_FLG(vid, pid, _flags) \        << 
2112         { .id = USB_ID(vid, pid), .flags = (_ << 
2113 #define VENDOR_FLG(vid, _flags) DEVICE_FLG(vi << 
2114                                               << 
2115 static const struct usb_audio_quirk_flags_tab << 
2116         /* Device matches */                  << 
2117         DEVICE_FLG(0x041e, 0x3000, /* Creativ << 
2118                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2119         DEVICE_FLG(0x041e, 0x4080, /* Creativ << 
2120                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2121         DEVICE_FLG(0x045e, 0x083c, /* MS USB  << 
2122                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2123                    QUIRK_FLAG_DISABLE_AUTOSUS << 
2124         DEVICE_FLG(0x046d, 0x084c, /* Logitec << 
2125                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2126         DEVICE_FLG(0x046d, 0x0991, /* Logitec << 
2127                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2128         DEVICE_FLG(0x046d, 0x09a4, /* Logitec << 
2129                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2130         DEVICE_FLG(0x0499, 0x1509, /* Steinbe << 
2131                    QUIRK_FLAG_GENERIC_IMPLICI << 
2132         DEVICE_FLG(0x0499, 0x3108, /* Yamaha  << 
2133                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2134         DEVICE_FLG(0x04d8, 0xfeea, /* Benchma << 
2135                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2136         DEVICE_FLG(0x04e8, 0xa051, /* Samsung << 
2137                    QUIRK_FLAG_SKIP_CLOCK_SELE << 
2138         DEVICE_FLG(0x0525, 0xa4ad, /* Hamedal << 
2139                    QUIRK_FLAG_IFACE_SKIP_CLOS << 
2140         DEVICE_FLG(0x054c, 0x0b8c, /* Sony WA << 
2141                    QUIRK_FLAG_SET_IFACE_FIRST << 
2142         DEVICE_FLG(0x0556, 0x0014, /* Phoenix << 
2143                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2144         DEVICE_FLG(0x05a3, 0x9420, /* ELP HD  << 
2145                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2146         DEVICE_FLG(0x05a7, 0x1020, /* Bose Co << 
2147                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2148         DEVICE_FLG(0x05e1, 0x0408, /* Syntek  << 
2149                    QUIRK_FLAG_ALIGN_TRANSFER) << 
2150         DEVICE_FLG(0x05e1, 0x0480, /* Hauppau << 
2151                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2152         DEVICE_FLG(0x0644, 0x8043, /* TEAC UD << 
2153                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2154                    QUIRK_FLAG_IFACE_DELAY),   << 
2155         DEVICE_FLG(0x0644, 0x8044, /* Esoteri << 
2156                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2157                    QUIRK_FLAG_IFACE_DELAY),   << 
2158         DEVICE_FLG(0x0644, 0x804a, /* TEAC UD << 
2159                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2160                    QUIRK_FLAG_IFACE_DELAY),   << 
2161         DEVICE_FLG(0x0644, 0x805f, /* TEAC Mo << 
2162                    QUIRK_FLAG_FORCE_IFACE_RES << 
2163         DEVICE_FLG(0x0644, 0x806b, /* TEAC UD << 
2164                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2165                    QUIRK_FLAG_IFACE_DELAY),   << 
2166         DEVICE_FLG(0x06f8, 0xb000, /* Hercule << 
2167                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2168         DEVICE_FLG(0x06f8, 0xd002, /* Hercule << 
2169                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2170         DEVICE_FLG(0x0711, 0x5800, /* MCT Tri << 
2171                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2172         DEVICE_FLG(0x074d, 0x3553, /* Outlaw  << 
2173                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2174         DEVICE_FLG(0x0763, 0x2030, /* M-Audio << 
2175                    QUIRK_FLAG_GENERIC_IMPLICI << 
2176         DEVICE_FLG(0x0763, 0x2031, /* M-Audio << 
2177                    QUIRK_FLAG_GENERIC_IMPLICI << 
2178         DEVICE_FLG(0x07fd, 0x000b, /* MOTU M  << 
2179                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2180         DEVICE_FLG(0x08bb, 0x2702, /* LineX F << 
2181                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2182         DEVICE_FLG(0x0951, 0x16ad, /* Kingsto << 
2183                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2184         DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 5 << 
2185                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2186         DEVICE_FLG(0x0c45, 0x6340, /* Sonix H << 
2187                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2188         DEVICE_FLG(0x0ecb, 0x205c, /* JBL Qua << 
2189                    QUIRK_FLAG_FIXED_RATE),    << 
2190         DEVICE_FLG(0x0ecb, 0x2069, /* JBL Qua << 
2191                    QUIRK_FLAG_FIXED_RATE),    << 
2192         DEVICE_FLG(0x0fd9, 0x0008, /* Hauppau << 
2193                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2194         DEVICE_FLG(0x1224, 0x2a25, /* Jieli T << 
2195                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2196         DEVICE_FLG(0x1395, 0x740a, /* Sennhei << 
2197                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2198         DEVICE_FLG(0x1397, 0x0507, /* Behring << 
2199                    QUIRK_FLAG_PLAYBACK_FIRST  << 
2200         DEVICE_FLG(0x1397, 0x0508, /* Behring << 
2201                    QUIRK_FLAG_PLAYBACK_FIRST  << 
2202         DEVICE_FLG(0x1397, 0x0509, /* Behring << 
2203                    QUIRK_FLAG_PLAYBACK_FIRST  << 
2204         DEVICE_FLG(0x13e5, 0x0001, /* Serato  << 
2205                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2206         DEVICE_FLG(0x154e, 0x1002, /* Denon D << 
2207                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2208         DEVICE_FLG(0x154e, 0x1003, /* Denon D << 
2209                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2210         DEVICE_FLG(0x154e, 0x3005, /* Marantz << 
2211                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2212         DEVICE_FLG(0x154e, 0x3006, /* Marantz << 
2213                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2214         DEVICE_FLG(0x154e, 0x300b, /* Marantz << 
2215                    QUIRK_FLAG_DSD_RAW),       << 
2216         DEVICE_FLG(0x154e, 0x500e, /* Denon D << 
2217                    QUIRK_FLAG_IGNORE_CLOCK_SO << 
2218         DEVICE_FLG(0x1686, 0x00dd, /* Zoom R1 << 
2219                    QUIRK_FLAG_TX_LENGTH | QUI << 
2220         DEVICE_FLG(0x17aa, 0x1046, /* Lenovo  << 
2221                    QUIRK_FLAG_DISABLE_AUTOSUS << 
2222         DEVICE_FLG(0x17aa, 0x104d, /* Lenovo  << 
2223                    QUIRK_FLAG_DISABLE_AUTOSUS << 
2224         DEVICE_FLG(0x1852, 0x5062, /* Luxman  << 
2225                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2226         DEVICE_FLG(0x1852, 0x5065, /* Luxman  << 
2227                    QUIRK_FLAG_ITF_USB_DSD_DAC << 
2228         DEVICE_FLG(0x1901, 0x0191, /* GE B850 << 
2229                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2230         DEVICE_FLG(0x19f7, 0x0035, /* RODE NT << 
2231                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2232         DEVICE_FLG(0x1bcf, 0x2281, /* HD Webc << 
2233                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2234         DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo  << 
2235                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2236         DEVICE_FLG(0x2040, 0x7200, /* Hauppau << 
2237                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2238         DEVICE_FLG(0x2040, 0x7201, /* Hauppau << 
2239                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2240         DEVICE_FLG(0x2040, 0x7210, /* Hauppau << 
2241                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2242         DEVICE_FLG(0x2040, 0x7211, /* Hauppau << 
2243                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2244         DEVICE_FLG(0x2040, 0x7213, /* Hauppau << 
2245                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2246         DEVICE_FLG(0x2040, 0x7217, /* Hauppau << 
2247                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2248         DEVICE_FLG(0x2040, 0x721b, /* Hauppau << 
2249                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2250         DEVICE_FLG(0x2040, 0x721e, /* Hauppau << 
2251                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2252         DEVICE_FLG(0x2040, 0x721f, /* Hauppau << 
2253                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2254         DEVICE_FLG(0x2040, 0x7240, /* Hauppau << 
2255                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2256         DEVICE_FLG(0x2040, 0x7260, /* Hauppau << 
2257                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2258         DEVICE_FLG(0x2040, 0x7270, /* Hauppau << 
2259                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2260         DEVICE_FLG(0x2040, 0x7280, /* Hauppau << 
2261                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2262         DEVICE_FLG(0x2040, 0x7281, /* Hauppau << 
2263                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2264         DEVICE_FLG(0x2040, 0x8200, /* Hauppau << 
2265                    QUIRK_FLAG_SHARE_MEDIA_DEV << 
2266         DEVICE_FLG(0x21b4, 0x0081, /* AudioQu << 
2267                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2268         DEVICE_FLG(0x21b4, 0x0230, /* Ayre QB << 
2269                    QUIRK_FLAG_DSD_RAW),       << 
2270         DEVICE_FLG(0x21b4, 0x0232, /* Ayre QX << 
2271                    QUIRK_FLAG_DSD_RAW),       << 
2272         DEVICE_FLG(0x2522, 0x0007, /* LH Labs << 
2273                    QUIRK_FLAG_SET_IFACE_FIRST << 
2274         DEVICE_FLG(0x2708, 0x0002, /* Audient << 
2275                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2276         DEVICE_FLG(0x2912, 0x30c8, /* Audioen << 
2277                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2278         DEVICE_FLG(0x2b53, 0x0023, /* Fiero S << 
2279                    QUIRK_FLAG_GENERIC_IMPLICI << 
2280         DEVICE_FLG(0x2b53, 0x0024, /* Fiero S << 
2281                    QUIRK_FLAG_GENERIC_IMPLICI << 
2282         DEVICE_FLG(0x2b53, 0x0031, /* Fiero S << 
2283                    QUIRK_FLAG_GENERIC_IMPLICI << 
2284         DEVICE_FLG(0x2d95, 0x8011, /* VIVO US << 
2285                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2286         DEVICE_FLG(0x2d95, 0x8021, /* VIVO US << 
2287                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2288         DEVICE_FLG(0x30be, 0x0101, /* Schiit  << 
2289                    QUIRK_FLAG_IGNORE_CTL_ERRO << 
2290         DEVICE_FLG(0x413c, 0xa506, /* Dell AE << 
2291                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2292         DEVICE_FLG(0x534d, 0x0021, /* MacroSi << 
2293                    QUIRK_FLAG_ALIGN_TRANSFER) << 
2294         DEVICE_FLG(0x534d, 0x2109, /* MacroSi << 
2295                    QUIRK_FLAG_ALIGN_TRANSFER) << 
2296                                               << 
2297         /* Vendor matches */                  << 
2298         VENDOR_FLG(0x045e, /* MS Lifecam */   << 
2299                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2300         VENDOR_FLG(0x046d, /* Logitech */     << 
2301                    QUIRK_FLAG_CTL_MSG_DELAY_1 << 
2302         VENDOR_FLG(0x047f, /* Plantronics */  << 
2303                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2304         VENDOR_FLG(0x0644, /* TEAC Corp. */   << 
2305                    QUIRK_FLAG_CTL_MSG_DELAY | << 
2306         VENDOR_FLG(0x07fd, /* MOTU */         << 
2307                    QUIRK_FLAG_VALIDATE_RATES) << 
2308         VENDOR_FLG(0x1235, /* Focusrite Novat << 
2309                    QUIRK_FLAG_VALIDATE_RATES) << 
2310         VENDOR_FLG(0x1511, /* AURALiC */      << 
2311                    QUIRK_FLAG_DSD_RAW),       << 
2312         VENDOR_FLG(0x152a, /* Thesycon device << 
2313                    QUIRK_FLAG_DSD_RAW),       << 
2314         VENDOR_FLG(0x18d1, /* iBasso devices  << 
2315                    QUIRK_FLAG_DSD_RAW),       << 
2316         VENDOR_FLG(0x1de7, /* Phoenix Audio * << 
2317                    QUIRK_FLAG_GET_SAMPLE_RATE << 
2318         VENDOR_FLG(0x20b1, /* XMOS based devi << 
2319                    QUIRK_FLAG_DSD_RAW),       << 
2320         VENDOR_FLG(0x21ed, /* Accuphase Labor << 
2321                    QUIRK_FLAG_DSD_RAW),       << 
2322         VENDOR_FLG(0x22d9, /* Oppo */         << 
2323                    QUIRK_FLAG_DSD_RAW),       << 
2324         VENDOR_FLG(0x23ba, /* Playback Design << 
2325                    QUIRK_FLAG_CTL_MSG_DELAY | << 
2326                    QUIRK_FLAG_DSD_RAW),       << 
2327         VENDOR_FLG(0x25ce, /* Mytek devices * << 
2328                    QUIRK_FLAG_DSD_RAW),       << 
2329         VENDOR_FLG(0x278b, /* Rotel? */       << 
2330                    QUIRK_FLAG_DSD_RAW),       << 
2331         VENDOR_FLG(0x292b, /* Gustard/Ess bas << 
2332                    QUIRK_FLAG_DSD_RAW),       << 
2333         VENDOR_FLG(0x2972, /* FiiO devices */ << 
2334                    QUIRK_FLAG_DSD_RAW),       << 
2335         VENDOR_FLG(0x2ab6, /* T+A devices */  << 
2336                    QUIRK_FLAG_DSD_RAW),       << 
2337         VENDOR_FLG(0x2afd, /* McIntosh Labora << 
2338                    QUIRK_FLAG_DSD_RAW),       << 
2339         VENDOR_FLG(0x2d87, /* Cayin device */ << 
2340                    QUIRK_FLAG_DSD_RAW),       << 
2341         VENDOR_FLG(0x3336, /* HEM devices */  << 
2342                    QUIRK_FLAG_DSD_RAW),       << 
2343         VENDOR_FLG(0x3353, /* Khadas devices  << 
2344                    QUIRK_FLAG_DSD_RAW),       << 
2345         VENDOR_FLG(0x35f4, /* MSB Technology  << 
2346                    QUIRK_FLAG_DSD_RAW),       << 
2347         VENDOR_FLG(0x3842, /* EVGA */         << 
2348                    QUIRK_FLAG_DSD_RAW),       << 
2349         VENDOR_FLG(0xc502, /* HiBy devices */ << 
2350                    QUIRK_FLAG_DSD_RAW),       << 
2351                                               << 
2352         {} /* terminator */                   << 
2353 };                                            << 
2354                                               << 
2355 void snd_usb_init_quirk_flags(struct snd_usb_ << 
2356 {                                             << 
2357         const struct usb_audio_quirk_flags_ta << 
2358                                               << 
2359         for (p = quirk_flags_table; p->id; p+ << 
2360                 if (chip->usb_id == p->id ||  << 
2361                     (!USB_ID_PRODUCT(p->id) & << 
2362                      USB_ID_VENDOR(chip->usb_ << 
2363                         usb_audio_dbg(chip,   << 
2364                                       "Set qu << 
2365                                       p->flag << 
2366                                       USB_ID_ << 
2367                         chip->quirk_flags |=  << 
2368                         return;               << 
2369                 }                             << 
2370         }                                        1613         }
2371 }                                                1614 }
2372                                                  1615 

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