pcm.iec958_0 { @args [ CARD DEV AES0 AES1 AES2 AES3 ] @args.CARD { type integer } @args.DEV { type integer } @args.AES0 { type integer } @args.AES1 { type integer } @args.AES2 { type integer } @args.AES3 { type integer } type hooks slave.pcm { type hw card $(CARD) device 2 } hooks.0 { type ctl_elems hook_args [ { interface PCM name "IEC958 Playback PCM Stream" value [ $(AES0) $(AES1) $(AES2) $(AES3) ] device 2 lock true preserve true } ] } }