Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
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# SPDX-License-Identifier: GPL-2.0-only
config SND_HDA_CORE
tristate
select REGMAP
config SND_HDA_DSP_LOADER
bool
config SND_HDA_ALIGNED_MMIO
bool
config SND_HDA_COMPONENT
bool
config SND_HDA_I915
bool
select SND_HDA_COMPONENT
config SND_HDA_EXT_CORE
tristate
select SND_HDA_CORE
config SND_HDA_PREALLOC_SIZE
int "Pre-allocated buffer size for HD-audio driver" if !SND_DMA_SGBUF
range 0 32768
default 0 if SND_DMA_SGBUF
default 64 if !SND_DMA_SGBUF
help
Specifies the default pre-allocated buffer-size in kB for the
HD-audio driver. A larger buffer (e.g. 2048) is preferred
for systems using PulseAudio. The default 64 is chosen just
for compatibility reasons.
On x86 systems, the default is zero as we need no preallocation.
Note that the pre-allocation size can be changed dynamically
via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
config SND_INTEL_NHLT
bool
# this config should be selected only for Intel ACPI platforms.
# A fallback is provided so that the code compiles in all cases.
config SND_INTEL_DSP_CONFIG
tristate
select SND_INTEL_NHLT if ACPI
select SND_INTEL_SOUNDWIRE_ACPI if ACPI
# this config should be selected only for Intel DSP platforms.
# A fallback is provided so that the code compiles in all cases.
config SND_INTEL_SOUNDWIRE_ACPI
tristate
config SND_INTEL_BYT_PREFER_SOF
bool "Prefer SOF driver over SST on BY/CHT platforms"
depends on SND_SST_ATOM_HIFI2_PLATFORM_ACPI && SND_SOC_SOF_BAYTRAIL
default n
help
The kernel has 2 drivers for the Low Power Engine audio-block on
Bay- and Cherry-Trail SoCs. The old SST driver and the new SOF
driver. If both drivers are enabled then the kernel will default
to using the old SST driver, unless told otherwise through the
snd_intel_dspcfg.dsp_driver module-parameter.
Set this option to Y to make the kernel default to the new SOF
driver instead.
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