Syntax 3 Define.Use "" # a non-empty string to use UCM configuration for HDA devices Define.AcpCardId "$${CardIdByName:acp}" If.acp { Condition { Type String Empty "${var:AcpCardId}" } False.Define.Use y } If.analog { Condition { Type ControlExists Control "name='Master Playback Switch'" } False.Define.Use "" } If.use { Condition { Type String Empty "${var:Use}" } False { SectionUseCase."HiFi" { File "HiFi.conf" Comment "Play HiFi quality Music" } Include.init.File "/HDA-Intel/init.conf" } }