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" 25 range 0 32768 26 default 2048 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 2048 as a reasonable value for 34 most of modern systems. 35 36 Note that the pre-allocation size can be changed dynamically 37 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. 38 39config SND_INTEL_NHLT 40 bool 41 # this config should be selected only for Intel ACPI platforms. 42 # A fallback is provided so that the code compiles in all cases. 43 44config SND_INTEL_DSP_CONFIG 45 tristate 46 select SND_INTEL_NHLT 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_BYT_PREFER_SOF 51 bool "Prefer SOF driver over SST on BY/CHT platforms" 52 depends on SND_SST_ATOM_HIFI2_PLATFORM_ACPI && SND_SOC_SOF_BAYTRAIL 53 default n 54 help 55 The kernel has 2 drivers for the Low Power Engine audio-block on 56 Bay- and Cherry-Trail SoCs. The old SST driver and the new SOF 57 driver. If both drivers are enabled then the kernel will default 58 to using the old SST driver, unless told otherwise through the 59 snd_intel_dspcfg.dsp_driver module-parameter. 60 61 Set this option to Y to make the kernel default to the new SOF 62 driver instead. 63