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 0 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 zero as S/G allocation works 34 and no preallocation is needed in mo 34 and no preallocation is needed in most cases. 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 46 select ACPI_NHLT if ACPI 47 select SND_INTEL_NHLT if ACPI 47 select SND_INTEL_NHLT if ACPI 48 select SND_INTEL_SOUNDWIRE_ACPI if ACP 48 select SND_INTEL_SOUNDWIRE_ACPI if ACPI 49 # this config should be selected only 49 # this config should be selected only for Intel DSP platforms. 50 # A fallback is provided so that the c 50 # A fallback is provided so that the code compiles in all cases. 51 51 52 config SND_INTEL_SOUNDWIRE_ACPI 52 config SND_INTEL_SOUNDWIRE_ACPI 53 tristate 53 tristate 54 54 55 config SND_INTEL_BYT_PREFER_SOF 55 config SND_INTEL_BYT_PREFER_SOF 56 bool "Prefer SOF driver over SST on BY 56 bool "Prefer SOF driver over SST on BY/CHT platforms" 57 depends on SND_SST_ATOM_HIFI2_PLATFORM 57 depends on SND_SST_ATOM_HIFI2_PLATFORM_ACPI && SND_SOC_SOF_BAYTRAIL 58 default n 58 default n 59 help 59 help 60 The kernel has 2 drivers for the Low 60 The kernel has 2 drivers for the Low Power Engine audio-block on 61 Bay- and Cherry-Trail SoCs. The old 61 Bay- and Cherry-Trail SoCs. The old SST driver and the new SOF 62 driver. If both drivers are enabled 62 driver. If both drivers are enabled then the kernel will default 63 to using the old SST driver, unless 63 to using the old SST driver, unless told otherwise through the 64 snd_intel_dspcfg.dsp_driver module-p 64 snd_intel_dspcfg.dsp_driver module-parameter. 65 65 66 Set this option to Y to make the ker 66 Set this option to Y to make the kernel default to the new SOF 67 driver instead. 67 driver instead.
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