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 64
27 default 64 if !SND_DMA_SGBUF <<
28 help 27 help
29 Specifies the default pre-allocated 28 Specifies the default pre-allocated buffer-size in kB for the
30 HD-audio driver. A larger buffer (e 29 HD-audio driver. A larger buffer (e.g. 2048) is preferred
31 for systems using PulseAudio. The d 30 for systems using PulseAudio. The default 64 is chosen just
32 for compatibility reasons. 31 for compatibility reasons.
33 On x86 systems, the default is zero <<
34 and no preallocation is needed in mo <<
35 32
36 Note that the pre-allocation size ca 33 Note that the pre-allocation size can be changed dynamically
37 via a proc file (/proc/asound/card*/ 34 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
38 35
39 config SND_INTEL_NHLT 36 config SND_INTEL_NHLT
40 bool <<
41 # this config should be selected only <<
42 # A fallback is provided so that the c <<
43 <<
44 config SND_INTEL_DSP_CONFIG <<
45 tristate <<
46 select ACPI_NHLT if ACPI <<
47 select SND_INTEL_NHLT if ACPI <<
48 select SND_INTEL_SOUNDWIRE_ACPI if ACP <<
49 # this config should be selected only <<
50 # A fallback is provided so that the c <<
51 <<
52 config SND_INTEL_SOUNDWIRE_ACPI <<
53 tristate 37 tristate
54 !! 38 # this config should be selected only for Intel ACPI platforms.
55 config SND_INTEL_BYT_PREFER_SOF !! 39 # A fallback is provided so that the code compiles in all cases.
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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