1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * Routines for control of the TEA6330T circu 3 * Routines for control of the TEA6330T circuit via i2c bus
4 * Sound fader control circuit for car radios 4 * Sound fader control circuit for car radios by Philips Semiconductors
5 * Copyright (c) by Jaroslav Kysela <perex@pe 5 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
6 */ 6 */
7 7
8 #include <linux/init.h> 8 #include <linux/init.h>
9 #include <linux/slab.h> 9 #include <linux/slab.h>
10 #include <linux/module.h> 10 #include <linux/module.h>
11 #include <sound/core.h> 11 #include <sound/core.h>
12 #include <sound/control.h> 12 #include <sound/control.h>
13 #include <sound/tea6330t.h> 13 #include <sound/tea6330t.h>
14 14
15 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz 15 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
16 MODULE_DESCRIPTION("Routines for control of th 16 MODULE_DESCRIPTION("Routines for control of the TEA6330T circuit via i2c bus");
17 MODULE_LICENSE("GPL"); 17 MODULE_LICENSE("GPL");
18 18
19 #define TEA6330T_ADDR (0x80> 19 #define TEA6330T_ADDR (0x80>>1) /* fixed address */
20 20
21 #define TEA6330T_SADDR_VOLUME_LEFT 0x00 21 #define TEA6330T_SADDR_VOLUME_LEFT 0x00 /* volume left */
22 #define TEA6330T_SADDR_VOLUME_RIGHT 0x01 22 #define TEA6330T_SADDR_VOLUME_RIGHT 0x01 /* volume right */
23 #define TEA6330T_SADDR_BASS 0x02 23 #define TEA6330T_SADDR_BASS 0x02 /* bass control */
24 #define TEA6330T_SADDR_TREBLE 0x03 24 #define TEA6330T_SADDR_TREBLE 0x03 /* treble control */
25 #define TEA6330T_SADDR_FADER 0x04 25 #define TEA6330T_SADDR_FADER 0x04 /* fader control */
26 #define TEA6330T_MFN 0x20 26 #define TEA6330T_MFN 0x20 /* mute control for selected channels */
27 #define TEA6330T_FCH 0x10 27 #define TEA6330T_FCH 0x10 /* select fader channels - front or rear */
28 #define TEA6330T_SADDR_AUDIO_SWITCH 0x05 28 #define TEA6330T_SADDR_AUDIO_SWITCH 0x05 /* audio switch */
29 #define TEA6330T_GMU 0x80 29 #define TEA6330T_GMU 0x80 /* mute control, general mute */
30 #define TEA6330T_EQN 0x40 30 #define TEA6330T_EQN 0x40 /* equalizer switchover (0=equalizer-on) */
31 31
32 32
33 struct tea6330t { 33 struct tea6330t {
34 struct snd_i2c_device *device; 34 struct snd_i2c_device *device;
35 struct snd_i2c_bus *bus; 35 struct snd_i2c_bus *bus;
36 int equalizer; 36 int equalizer;
37 int fader; 37 int fader;
38 unsigned char regs[8]; 38 unsigned char regs[8];
39 unsigned char mleft, mright; 39 unsigned char mleft, mright;
40 unsigned char bass, treble; 40 unsigned char bass, treble;
41 unsigned char max_bass, max_treble; 41 unsigned char max_bass, max_treble;
42 }; 42 };
43 43
44 44
45 int snd_tea6330t_detect(struct snd_i2c_bus *bu 45 int snd_tea6330t_detect(struct snd_i2c_bus *bus, int equalizer)
46 { 46 {
47 int res; 47 int res;
48 48
49 snd_i2c_lock(bus); 49 snd_i2c_lock(bus);
50 res = snd_i2c_probeaddr(bus, TEA6330T_ 50 res = snd_i2c_probeaddr(bus, TEA6330T_ADDR);
51 snd_i2c_unlock(bus); 51 snd_i2c_unlock(bus);
52 return res; 52 return res;
53 } 53 }
54 54
55 #if 0 55 #if 0
56 static void snd_tea6330t_set(struct tea6330t * 56 static void snd_tea6330t_set(struct tea6330t *tea,
57 unsigned char add 57 unsigned char addr, unsigned char value)
58 { 58 {
>> 59 #if 0
>> 60 printk(KERN_DEBUG "set - 0x%x/0x%x\n", addr, value);
>> 61 #endif
59 snd_i2c_write(tea->bus, TEA6330T_ADDR, 62 snd_i2c_write(tea->bus, TEA6330T_ADDR, addr, value, 1);
60 } 63 }
61 #endif 64 #endif
62 65
63 #define TEA6330T_MASTER_VOLUME(xname, xindex) 66 #define TEA6330T_MASTER_VOLUME(xname, xindex) \
64 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = 67 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
65 .info = snd_tea6330t_info_master_volume, \ 68 .info = snd_tea6330t_info_master_volume, \
66 .get = snd_tea6330t_get_master_volume, .put 69 .get = snd_tea6330t_get_master_volume, .put = snd_tea6330t_put_master_volume }
67 70
68 static int snd_tea6330t_info_master_volume(str 71 static int snd_tea6330t_info_master_volume(struct snd_kcontrol *kcontrol,
69 str 72 struct snd_ctl_elem_info *uinfo)
70 { 73 {
71 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTE 74 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
72 uinfo->count = 2; 75 uinfo->count = 2;
73 uinfo->value.integer.min = 0; 76 uinfo->value.integer.min = 0;
74 uinfo->value.integer.max = 43; 77 uinfo->value.integer.max = 43;
75 return 0; 78 return 0;
76 } 79 }
77 80
78 static int snd_tea6330t_get_master_volume(stru 81 static int snd_tea6330t_get_master_volume(struct snd_kcontrol *kcontrol,
79 stru 82 struct snd_ctl_elem_value *ucontrol)
80 { 83 {
81 struct tea6330t *tea = snd_kcontrol_ch 84 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
82 85
83 snd_i2c_lock(tea->bus); 86 snd_i2c_lock(tea->bus);
84 ucontrol->value.integer.value[0] = tea 87 ucontrol->value.integer.value[0] = tea->mleft - 0x14;
85 ucontrol->value.integer.value[1] = tea 88 ucontrol->value.integer.value[1] = tea->mright - 0x14;
86 snd_i2c_unlock(tea->bus); 89 snd_i2c_unlock(tea->bus);
87 return 0; 90 return 0;
88 } 91 }
89 92
90 static int snd_tea6330t_put_master_volume(stru 93 static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol,
91 stru 94 struct snd_ctl_elem_value *ucontrol)
92 { 95 {
93 struct tea6330t *tea = snd_kcontrol_ch 96 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
94 int change, count, err; 97 int change, count, err;
95 unsigned char bytes[3]; 98 unsigned char bytes[3];
96 unsigned char val1, val2; 99 unsigned char val1, val2;
97 100
98 val1 = (ucontrol->value.integer.value[ 101 val1 = (ucontrol->value.integer.value[0] % 44) + 0x14;
99 val2 = (ucontrol->value.integer.value[ 102 val2 = (ucontrol->value.integer.value[1] % 44) + 0x14;
100 snd_i2c_lock(tea->bus); 103 snd_i2c_lock(tea->bus);
101 change = val1 != tea->mleft || val2 != 104 change = val1 != tea->mleft || val2 != tea->mright;
102 tea->mleft = val1; 105 tea->mleft = val1;
103 tea->mright = val2; 106 tea->mright = val2;
104 count = 0; 107 count = 0;
105 if (tea->regs[TEA6330T_SADDR_VOLUME_LE 108 if (tea->regs[TEA6330T_SADDR_VOLUME_LEFT] != 0) {
106 bytes[count++] = TEA6330T_SADD 109 bytes[count++] = TEA6330T_SADDR_VOLUME_LEFT;
107 bytes[count++] = tea->regs[TEA 110 bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = tea->mleft;
108 } 111 }
109 if (tea->regs[TEA6330T_SADDR_VOLUME_RI 112 if (tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] != 0) {
110 if (count == 0) 113 if (count == 0)
111 bytes[count++] = TEA63 114 bytes[count++] = TEA6330T_SADDR_VOLUME_RIGHT;
112 bytes[count++] = tea->regs[TEA 115 bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright;
113 } 116 }
114 if (count > 0) { 117 if (count > 0) {
115 err = snd_i2c_sendbytes(tea->d !! 118 if ((err = snd_i2c_sendbytes(tea->device, bytes, count)) < 0)
116 if (err < 0) <<
117 change = err; 119 change = err;
118 } 120 }
119 snd_i2c_unlock(tea->bus); 121 snd_i2c_unlock(tea->bus);
120 return change; 122 return change;
121 } 123 }
122 124
123 #define TEA6330T_MASTER_SWITCH(xname, xindex) 125 #define TEA6330T_MASTER_SWITCH(xname, xindex) \
124 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = 126 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
125 .info = snd_tea6330t_info_master_switch, \ 127 .info = snd_tea6330t_info_master_switch, \
126 .get = snd_tea6330t_get_master_switch, .put 128 .get = snd_tea6330t_get_master_switch, .put = snd_tea6330t_put_master_switch }
127 129
128 #define snd_tea6330t_info_master_switch 130 #define snd_tea6330t_info_master_switch snd_ctl_boolean_stereo_info
129 131
130 static int snd_tea6330t_get_master_switch(stru 132 static int snd_tea6330t_get_master_switch(struct snd_kcontrol *kcontrol,
131 stru 133 struct snd_ctl_elem_value *ucontrol)
132 { 134 {
133 struct tea6330t *tea = snd_kcontrol_ch 135 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
134 136
135 snd_i2c_lock(tea->bus); 137 snd_i2c_lock(tea->bus);
136 ucontrol->value.integer.value[0] = tea 138 ucontrol->value.integer.value[0] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1;
137 ucontrol->value.integer.value[1] = tea 139 ucontrol->value.integer.value[1] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1;
138 snd_i2c_unlock(tea->bus); 140 snd_i2c_unlock(tea->bus);
139 return 0; 141 return 0;
140 } 142 }
141 143
142 static int snd_tea6330t_put_master_switch(stru 144 static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol,
143 stru 145 struct snd_ctl_elem_value *ucontrol)
144 { 146 {
145 struct tea6330t *tea = snd_kcontrol_ch 147 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
146 int change, err; 148 int change, err;
147 unsigned char bytes[3]; 149 unsigned char bytes[3];
148 unsigned char oval1, oval2, val1, val2 150 unsigned char oval1, oval2, val1, val2;
149 151
150 val1 = ucontrol->value.integer.value[0 152 val1 = ucontrol->value.integer.value[0] & 1;
151 val2 = ucontrol->value.integer.value[1 153 val2 = ucontrol->value.integer.value[1] & 1;
152 snd_i2c_lock(tea->bus); 154 snd_i2c_lock(tea->bus);
153 oval1 = tea->regs[TEA6330T_SADDR_VOLUM 155 oval1 = tea->regs[TEA6330T_SADDR_VOLUME_LEFT] == 0 ? 0 : 1;
154 oval2 = tea->regs[TEA6330T_SADDR_VOLUM 156 oval2 = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] == 0 ? 0 : 1;
155 change = val1 != oval1 || val2 != oval 157 change = val1 != oval1 || val2 != oval2;
156 tea->regs[TEA6330T_SADDR_VOLUME_LEFT] 158 tea->regs[TEA6330T_SADDR_VOLUME_LEFT] = val1 ? tea->mleft : 0;
157 tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] 159 tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = val2 ? tea->mright : 0;
158 bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; 160 bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
159 bytes[1] = tea->regs[TEA6330T_SADDR_VO 161 bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT];
160 bytes[2] = tea->regs[TEA6330T_SADDR_VO 162 bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT];
161 err = snd_i2c_sendbytes(tea->device, b !! 163 if ((err = snd_i2c_sendbytes(tea->device, bytes, 3)) < 0)
162 if (err < 0) <<
163 change = err; 164 change = err;
164 snd_i2c_unlock(tea->bus); 165 snd_i2c_unlock(tea->bus);
165 return change; 166 return change;
166 } 167 }
167 168
168 #define TEA6330T_BASS(xname, xindex) \ 169 #define TEA6330T_BASS(xname, xindex) \
169 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = 170 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
170 .info = snd_tea6330t_info_bass, \ 171 .info = snd_tea6330t_info_bass, \
171 .get = snd_tea6330t_get_bass, .put = snd_tea 172 .get = snd_tea6330t_get_bass, .put = snd_tea6330t_put_bass }
172 173
173 static int snd_tea6330t_info_bass(struct snd_k 174 static int snd_tea6330t_info_bass(struct snd_kcontrol *kcontrol,
174 struct snd_c 175 struct snd_ctl_elem_info *uinfo)
175 { 176 {
176 struct tea6330t *tea = snd_kcontrol_ch 177 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
177 178
178 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTE 179 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
179 uinfo->count = 1; 180 uinfo->count = 1;
180 uinfo->value.integer.min = 0; 181 uinfo->value.integer.min = 0;
181 uinfo->value.integer.max = tea->max_ba 182 uinfo->value.integer.max = tea->max_bass;
182 return 0; 183 return 0;
183 } 184 }
184 185
185 static int snd_tea6330t_get_bass(struct snd_kc 186 static int snd_tea6330t_get_bass(struct snd_kcontrol *kcontrol,
186 struct snd_ct 187 struct snd_ctl_elem_value *ucontrol)
187 { 188 {
188 struct tea6330t *tea = snd_kcontrol_ch 189 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
189 190
190 ucontrol->value.integer.value[0] = tea 191 ucontrol->value.integer.value[0] = tea->bass;
191 return 0; 192 return 0;
192 } 193 }
193 194
194 static int snd_tea6330t_put_bass(struct snd_kc 195 static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol,
195 struct snd_ct 196 struct snd_ctl_elem_value *ucontrol)
196 { 197 {
197 struct tea6330t *tea = snd_kcontrol_ch 198 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
198 int change, err; 199 int change, err;
199 unsigned char bytes[2]; 200 unsigned char bytes[2];
200 unsigned char val1; 201 unsigned char val1;
201 202
202 val1 = ucontrol->value.integer.value[0 203 val1 = ucontrol->value.integer.value[0] % (tea->max_bass + 1);
203 snd_i2c_lock(tea->bus); 204 snd_i2c_lock(tea->bus);
204 tea->bass = val1; 205 tea->bass = val1;
205 val1 += tea->equalizer ? 7 : 3; 206 val1 += tea->equalizer ? 7 : 3;
206 change = tea->regs[TEA6330T_SADDR_BASS 207 change = tea->regs[TEA6330T_SADDR_BASS] != val1;
207 bytes[0] = TEA6330T_SADDR_BASS; 208 bytes[0] = TEA6330T_SADDR_BASS;
208 bytes[1] = tea->regs[TEA6330T_SADDR_BA 209 bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1;
209 err = snd_i2c_sendbytes(tea->device, b !! 210 if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0)
210 if (err < 0) <<
211 change = err; 211 change = err;
212 snd_i2c_unlock(tea->bus); 212 snd_i2c_unlock(tea->bus);
213 return change; 213 return change;
214 } 214 }
215 215
216 #define TEA6330T_TREBLE(xname, xindex) \ 216 #define TEA6330T_TREBLE(xname, xindex) \
217 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = 217 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
218 .info = snd_tea6330t_info_treble, \ 218 .info = snd_tea6330t_info_treble, \
219 .get = snd_tea6330t_get_treble, .put = snd_t 219 .get = snd_tea6330t_get_treble, .put = snd_tea6330t_put_treble }
220 220
221 static int snd_tea6330t_info_treble(struct snd 221 static int snd_tea6330t_info_treble(struct snd_kcontrol *kcontrol,
222 struct snd 222 struct snd_ctl_elem_info *uinfo)
223 { 223 {
224 struct tea6330t *tea = snd_kcontrol_ch 224 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
225 225
226 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTE 226 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
227 uinfo->count = 1; 227 uinfo->count = 1;
228 uinfo->value.integer.min = 0; 228 uinfo->value.integer.min = 0;
229 uinfo->value.integer.max = tea->max_tr 229 uinfo->value.integer.max = tea->max_treble;
230 return 0; 230 return 0;
231 } 231 }
232 232
233 static int snd_tea6330t_get_treble(struct snd_ 233 static int snd_tea6330t_get_treble(struct snd_kcontrol *kcontrol,
234 struct snd_ 234 struct snd_ctl_elem_value *ucontrol)
235 { 235 {
236 struct tea6330t *tea = snd_kcontrol_ch 236 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
237 237
238 ucontrol->value.integer.value[0] = tea 238 ucontrol->value.integer.value[0] = tea->treble;
239 return 0; 239 return 0;
240 } 240 }
241 241
242 static int snd_tea6330t_put_treble(struct snd_ 242 static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol,
243 struct snd_ 243 struct snd_ctl_elem_value *ucontrol)
244 { 244 {
245 struct tea6330t *tea = snd_kcontrol_ch 245 struct tea6330t *tea = snd_kcontrol_chip(kcontrol);
246 int change, err; 246 int change, err;
247 unsigned char bytes[2]; 247 unsigned char bytes[2];
248 unsigned char val1; 248 unsigned char val1;
249 249
250 val1 = ucontrol->value.integer.value[0 250 val1 = ucontrol->value.integer.value[0] % (tea->max_treble + 1);
251 snd_i2c_lock(tea->bus); 251 snd_i2c_lock(tea->bus);
252 tea->treble = val1; 252 tea->treble = val1;
253 val1 += 3; 253 val1 += 3;
254 change = tea->regs[TEA6330T_SADDR_TREB 254 change = tea->regs[TEA6330T_SADDR_TREBLE] != val1;
255 bytes[0] = TEA6330T_SADDR_TREBLE; 255 bytes[0] = TEA6330T_SADDR_TREBLE;
256 bytes[1] = tea->regs[TEA6330T_SADDR_TR 256 bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1;
257 err = snd_i2c_sendbytes(tea->device, b !! 257 if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0)
258 if (err < 0) <<
259 change = err; 258 change = err;
260 snd_i2c_unlock(tea->bus); 259 snd_i2c_unlock(tea->bus);
261 return change; 260 return change;
262 } 261 }
263 262
264 static const struct snd_kcontrol_new snd_tea63 !! 263 static struct snd_kcontrol_new snd_tea6330t_controls[] = {
265 TEA6330T_MASTER_SWITCH("Master Playback Switch 264 TEA6330T_MASTER_SWITCH("Master Playback Switch", 0),
266 TEA6330T_MASTER_VOLUME("Master Playback Volume 265 TEA6330T_MASTER_VOLUME("Master Playback Volume", 0),
267 TEA6330T_BASS("Tone Control - Bass", 0), 266 TEA6330T_BASS("Tone Control - Bass", 0),
268 TEA6330T_TREBLE("Tone Control - Treble", 0) 267 TEA6330T_TREBLE("Tone Control - Treble", 0)
269 }; 268 };
270 269
271 static void snd_tea6330_free(struct snd_i2c_de 270 static void snd_tea6330_free(struct snd_i2c_device *device)
272 { 271 {
273 kfree(device->private_data); 272 kfree(device->private_data);
274 } 273 }
275 274
276 int snd_tea6330t_update_mixer(struct snd_card 275 int snd_tea6330t_update_mixer(struct snd_card *card,
277 struct snd_i2c_b 276 struct snd_i2c_bus *bus,
278 int equalizer, i 277 int equalizer, int fader)
279 { 278 {
280 struct snd_i2c_device *device; 279 struct snd_i2c_device *device;
281 struct tea6330t *tea; 280 struct tea6330t *tea;
282 const struct snd_kcontrol_new *knew; !! 281 struct snd_kcontrol_new *knew;
283 unsigned int idx; 282 unsigned int idx;
284 int err; !! 283 int err = -ENOMEM;
285 u8 default_treble, default_bass; 284 u8 default_treble, default_bass;
286 unsigned char bytes[7]; 285 unsigned char bytes[7];
287 286
288 tea = kzalloc(sizeof(*tea), GFP_KERNEL 287 tea = kzalloc(sizeof(*tea), GFP_KERNEL);
289 if (tea == NULL) 288 if (tea == NULL)
290 return -ENOMEM; 289 return -ENOMEM;
291 err = snd_i2c_device_create(bus, "TEA6 !! 290 if ((err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device)) < 0) {
292 if (err < 0) { <<
293 kfree(tea); 291 kfree(tea);
294 return err; 292 return err;
295 } 293 }
296 tea->device = device; 294 tea->device = device;
297 tea->bus = bus; 295 tea->bus = bus;
298 tea->equalizer = equalizer; 296 tea->equalizer = equalizer;
299 tea->fader = fader; 297 tea->fader = fader;
300 device->private_data = tea; 298 device->private_data = tea;
301 device->private_free = snd_tea6330_fre 299 device->private_free = snd_tea6330_free;
302 300
303 snd_i2c_lock(bus); 301 snd_i2c_lock(bus);
304 302
305 /* turn fader off and handle equalizer 303 /* turn fader off and handle equalizer */
306 tea->regs[TEA6330T_SADDR_FADER] = 0x3f 304 tea->regs[TEA6330T_SADDR_FADER] = 0x3f;
307 tea->regs[TEA6330T_SADDR_AUDIO_SWITCH] 305 tea->regs[TEA6330T_SADDR_AUDIO_SWITCH] = equalizer ? 0 : TEA6330T_EQN;
308 /* initialize mixer */ 306 /* initialize mixer */
309 if (!tea->equalizer) { 307 if (!tea->equalizer) {
310 tea->max_bass = 9; 308 tea->max_bass = 9;
311 tea->max_treble = 8; 309 tea->max_treble = 8;
312 default_bass = 3 + 4; 310 default_bass = 3 + 4;
313 tea->bass = 4; 311 tea->bass = 4;
314 default_treble = 3 + 4; 312 default_treble = 3 + 4;
315 tea->treble = 4; 313 tea->treble = 4;
316 } else { 314 } else {
317 tea->max_bass = 5; 315 tea->max_bass = 5;
318 tea->max_treble = 0; 316 tea->max_treble = 0;
319 default_bass = 7 + 4; 317 default_bass = 7 + 4;
320 tea->bass = 4; 318 tea->bass = 4;
321 default_treble = 3; 319 default_treble = 3;
322 tea->treble = 0; 320 tea->treble = 0;
323 } 321 }
324 tea->mleft = tea->mright = 0x14; 322 tea->mleft = tea->mright = 0x14;
325 tea->regs[TEA6330T_SADDR_BASS] = defau 323 tea->regs[TEA6330T_SADDR_BASS] = default_bass;
326 tea->regs[TEA6330T_SADDR_TREBLE] = def 324 tea->regs[TEA6330T_SADDR_TREBLE] = default_treble;
327 325
328 /* compose I2C message and put the har 326 /* compose I2C message and put the hardware to initial state */
329 bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; 327 bytes[0] = TEA6330T_SADDR_VOLUME_LEFT;
330 for (idx = 0; idx < 6; idx++) 328 for (idx = 0; idx < 6; idx++)
331 bytes[idx+1] = tea->regs[idx]; 329 bytes[idx+1] = tea->regs[idx];
332 err = snd_i2c_sendbytes(device, bytes, !! 330 if ((err = snd_i2c_sendbytes(device, bytes, 7)) < 0)
333 if (err < 0) <<
334 goto __error; 331 goto __error;
335 332
336 strcat(card->mixername, ",TEA6330T"); 333 strcat(card->mixername, ",TEA6330T");
337 err = snd_component_add(card, "TEA6330 !! 334 if ((err = snd_component_add(card, "TEA6330T")) < 0)
338 if (err < 0) <<
339 goto __error; 335 goto __error;
340 336
341 for (idx = 0; idx < ARRAY_SIZE(snd_tea 337 for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) {
342 knew = &snd_tea6330t_controls[ 338 knew = &snd_tea6330t_controls[idx];
343 if (tea->treble == 0 && !strcm 339 if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble"))
344 continue; 340 continue;
345 err = snd_ctl_add(card, snd_ct !! 341 if ((err = snd_ctl_add(card, snd_ctl_new1(knew, tea))) < 0)
346 if (err < 0) <<
347 goto __error; 342 goto __error;
348 } 343 }
349 344
350 snd_i2c_unlock(bus); 345 snd_i2c_unlock(bus);
351 return 0; 346 return 0;
352 347
353 __error: 348 __error:
354 snd_i2c_unlock(bus); 349 snd_i2c_unlock(bus);
355 snd_i2c_device_free(device); 350 snd_i2c_device_free(device);
356 return err; 351 return err;
357 } 352 }
358 353
359 EXPORT_SYMBOL(snd_tea6330t_detect); 354 EXPORT_SYMBOL(snd_tea6330t_detect);
360 EXPORT_SYMBOL(snd_tea6330t_update_mixer); 355 EXPORT_SYMBOL(snd_tea6330t_update_mixer);
361 356
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.