If.custompcm { Condition { Type String Empty "$${var:max98357apcm}" } False.Define.pcm "${var:max98357apcm}" True.Define.pcm 0 } SectionDevice."Speaker" { Comment "Speaker" Value { PlaybackPriority 100 PlaybackPCM "hw:${CardId},${var:pcm}" } EnableSequence [ cset "name='Spk Switch' on" ] DisableSequence [ cset "name='Spk Switch' off" ] }