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 "${var:AcpCardId}" } False.Define.Use y } If.use { Condition { Type String Empty "${var:Use}" } False { SectionUseCase."HiFi" { File "HiFi.conf" Comment "Play HiFi quality Music" } Include.init.File "/HDA-Intel/init.conf" } True { Error "UCM is not supported for this HDA model (${CardLongName})" } }