SectionDevice."MonoSpeaker" { Comment "Mono Speaker" Value { PlaybackChannels "2" } ConflictingDevice [ "Speaker" "Headphones" ] EnableSequence [ cdev "hw:chtnau8824" # nau8824 mono speaker boards have the speaker on the right chan cset "name='Speaker Left DACL Volume' 0" cset "name='Speaker Left DACR Volume' 0" cset "name='Speaker Right DACL Volume' 1" cset "name='Speaker Right DACR Volume' 1" cset "name='Ext Spk Switch' on" ] DisableSequence [ cdev "hw:chtnau8824" cset "name='Ext Spk Switch' off" ] }