1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SND_HDA_CORE 2 config SND_HDA_CORE
3 tristate 3 tristate
4 select REGMAP 4 select REGMAP
5 5
6 config SND_HDA_DSP_LOADER 6 config SND_HDA_DSP_LOADER
7 bool 7 bool
8 8
9 config SND_HDA_ALIGNED_MMIO 9 config SND_HDA_ALIGNED_MMIO
10 bool 10 bool
11 11
12 config SND_HDA_COMPONENT 12 config SND_HDA_COMPONENT
13 bool 13 bool
14 14
15 config SND_HDA_I915 15 config SND_HDA_I915
16 bool 16 bool
17 select SND_HDA_COMPONENT 17 select SND_HDA_COMPONENT
18 18
19 config SND_HDA_EXT_CORE 19 config SND_HDA_EXT_CORE
20 tristate 20 tristate
21 select SND_HDA_CORE 21 select SND_HDA_CORE
22 22
23 config SND_HDA_PREALLOC_SIZE 23 config SND_HDA_PREALLOC_SIZE
24 int "Pre-allocated buffer size for HD- 24 int "Pre-allocated buffer size for HD-audio driver"
25 range 0 32768 25 range 0 32768
26 default 0 if SND_DMA_SGBUF !! 26 default 2048 if SND_DMA_SGBUF
27 default 64 if !SND_DMA_SGBUF 27 default 64 if !SND_DMA_SGBUF
28 help 28 help
29 Specifies the default pre-allocated 29 Specifies the default pre-allocated buffer-size in kB for the
30 HD-audio driver. A larger buffer (e 30 HD-audio driver. A larger buffer (e.g. 2048) is preferred
31 for systems using PulseAudio. The d 31 for systems using PulseAudio. The default 64 is chosen just
32 for compatibility reasons. 32 for compatibility reasons.
33 On x86 systems, the default is zero !! 33 On x86 systems, the default is 2048 as a reasonable value for
34 and no preallocation is needed in mo !! 34 most of modern systems.
35 35
36 Note that the pre-allocation size ca 36 Note that the pre-allocation size can be changed dynamically
37 via a proc file (/proc/asound/card*/ 37 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
38 38
39 config SND_INTEL_NHLT 39 config SND_INTEL_NHLT
40 bool 40 bool
41 # this config should be selected only 41 # this config should be selected only for Intel ACPI platforms.
42 # A fallback is provided so that the c 42 # A fallback is provided so that the code compiles in all cases.
43 43
44 config SND_INTEL_DSP_CONFIG 44 config SND_INTEL_DSP_CONFIG
45 tristate 45 tristate
46 select ACPI_NHLT if ACPI <<
47 select SND_INTEL_NHLT if ACPI 46 select SND_INTEL_NHLT if ACPI
48 select SND_INTEL_SOUNDWIRE_ACPI if ACP <<
49 # this config should be selected only 47 # this config should be selected only for Intel DSP platforms.
50 # A fallback is provided so that the c 48 # A fallback is provided so that the code compiles in all cases.
51 <<
52 config SND_INTEL_SOUNDWIRE_ACPI <<
53 tristate <<
54 <<
55 config SND_INTEL_BYT_PREFER_SOF <<
56 bool "Prefer SOF driver over SST on BY <<
57 depends on SND_SST_ATOM_HIFI2_PLATFORM <<
58 default n <<
59 help <<
60 The kernel has 2 drivers for the Low <<
61 Bay- and Cherry-Trail SoCs. The old <<
62 driver. If both drivers are enabled <<
63 to using the old SST driver, unless <<
64 snd_intel_dspcfg.dsp_driver module-p <<
65 <<
66 Set this option to Y to make the ker <<
67 driver instead. <<
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