SectionDevice."MonoSpeaker" { Comment "Mono Speaker" ConflictingDevice [ "Speaker" "Headphones" ] EnableSequence [ cdev "hw:bytcrrt5651" # Map left and right input on left cset "name='Stereo DAC MIXR DAC R1 Switch' off" cset "name='Stereo DAC MIXL DAC R1 Switch' on" cset "name='Speaker Switch' on" cset "name='LOUT L Playback Switch' on" # Done after turning the speaker on to keep the bias and clk on cset "name='Headphone Switch' off" cset "name='HPO L Playback Switch' off" cset "name='HPO R Playback Switch' off" ] DisableSequence [ cdev "hw:bytcrrt5651" # Disabling the switches is done by the Speaker EnableSeq # Undo mono mapping cset "name='Stereo DAC MIXL DAC R1 Switch' off" cset "name='Stereo DAC MIXR DAC R1 Switch' on" ] Value { PlaybackChannels "2" } }