# Split 4ch dmic into 2 virtual 2ch mics Include.pcm_split.File "/common/pcm/split.conf" Macro [ { SplitPCM { Name "adl_stereo_in" Direction Capture Format S32_LE Channels 2 HWChannels 4 HWChannelPos0 FL HWChannelPos1 FR HWChannelPos2 FL HWChannelPos3 FR } } ] If.max98360a { Condition { Type String Empty "$${var:max98360a}" } False.Include.speaker.File "/codecs/max98357a/speaker.conf" } If.max98373 { Condition { Type String Empty "$${var:max98373}" } False.Include.speaker.File "/codecs/max98373/speaker.conf" } SectionDevice."Headphones" { Comment "Headphones" Value { PlaybackPriority 200 PlaybackPCM "hw:${CardId},1" JackControl "Headphone Jack" } EnableSequence [ cset "name='Headphone Jack Switch' on" ] DisableSequence [ cset "name='Headphone Jack Switch' off" ] } SectionDevice."Mic" { Comment "Internal Microphone" Value { CapturePriority 100 CapturePCM "hw:${CardId},${var:dmicpcm}" CaptureChannels 4 } Macro.pcm_split.SplitPCMDevice { Name "adl_stereo_in" Direction Capture Device "${var:dmicpcm}" HWChannels 4 Channels 2 Channel0 0 Channel1 1 ChannelPos0 FL ChannelPos1 FR } } SectionDevice."Headset" { Comment "Headset Microphone" Value { CapturePriority 200 CapturePCM "hw:${CardId},1" CaptureMixerElem "Headset Mic" JackControl "Headset Mic Jack" } EnableSequence [ cset "name='Headset Mic Switch' on" ] DisableSequence [ cset "name='Headset Mic Switch' off" ] } Include.hdmi.File "/codecs/hda/${var:hdmi}.conf"