1# SPDX-License-Identifier: GPL-2.0-only 2config SND_HDA_CORE 3 tristate 4 select REGMAP 5 6config SND_HDA_DSP_LOADER 7 bool 8 9config SND_HDA_ALIGNED_MMIO 10 bool 11 12config SND_HDA_COMPONENT 13 bool 14 15config SND_HDA_I915 16 bool 17 select SND_HDA_COMPONENT 18 19config SND_HDA_EXT_CORE 20 tristate 21 select SND_HDA_CORE 22 23config SND_HDA_PREALLOC_SIZE 24 int "Pre-allocated buffer size for HD-audio driver" if !SND_DMA_SGBUF 25 range 0 32768 26 default 0 if SND_DMA_SGBUF 27 default 64 if !SND_DMA_SGBUF 28 help 29 Specifies the default pre-allocated buffer-size in kB for the 30 HD-audio driver. A larger buffer (e.g. 2048) is preferred 31 for systems using PulseAudio. The default 64 is chosen just 32 for compatibility reasons. 33 On x86 systems, the default is zero as we need no preallocation. 34 35 Note that the pre-allocation size can be changed dynamically 36 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. 37 38config SND_INTEL_NHLT 39 bool 40 # this config should be selected only for Intel ACPI platforms. 41 # A fallback is provided so that the code compiles in all cases. 42 43config SND_INTEL_DSP_CONFIG 44 tristate 45 select SND_INTEL_NHLT if ACPI 46 select SND_INTEL_SOUNDWIRE_ACPI if ACPI 47 # this config should be selected only for Intel DSP platforms. 48 # A fallback is provided so that the code compiles in all cases. 49 50config SND_INTEL_SOUNDWIRE_ACPI 51 tristate 52 53config SND_INTEL_BYT_PREFER_SOF 54 bool "Prefer SOF driver over SST on BY/CHT platforms" 55 depends on SND_SST_ATOM_HIFI2_PLATFORM_ACPI && SND_SOC_SOF_BAYTRAIL 56 default n 57 help 58 The kernel has 2 drivers for the Low Power Engine audio-block on 59 Bay- and Cherry-Trail SoCs. The old SST driver and the new SOF 60 driver. If both drivers are enabled then the kernel will default 61 to using the old SST driver, unless told otherwise through the 62 snd_intel_dspcfg.dsp_driver module-parameter. 63 64 Set this option to Y to make the kernel default to the new SOF 65 driver instead. 66