1config SND_HDA_CORE 2 tristate 3 select REGMAP 4 5config SND_HDA_DSP_LOADER 6 bool 7 8config SND_HDA_I915 9 bool 10 default y 11 depends on DRM_I915 12 depends on SND_HDA_CORE 13 14config SND_HDA_EXT_CORE 15 tristate 16 select SND_HDA_CORE 17 18config SND_HDA_PREALLOC_SIZE 19 int "Pre-allocated buffer size for HD-audio driver" 20 range 0 32768 21 default 64 22 help 23 Specifies the default pre-allocated buffer-size in kB for the 24 HD-audio driver. A larger buffer (e.g. 2048) is preferred 25 for systems using PulseAudio. The default 64 is chosen just 26 for compatibility reasons. 27 28 Note that the pre-allocation size can be changed dynamically 29 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. 30