Edit File: vc4-hdmi.conf
# # Configuration for the VC4-HDMI sound card using software IEC958 # subframe conversion # <confdir:pcm/front.conf> vc4-hdmi.pcm.front.0 { @args [ CARD ] @args.CARD { type string } type hw card $CARD } # default with dmix vc4-hdmi.pcm.default { @args [ CARD ] @args.CARD { type string } type asym playback.pcm { type plug slave.pcm { @func concat strings [ "dmix:" $CARD ] } } } <confdir:pcm/iec958.conf> vc4-hdmi.pcm.iec958.0 { @args [ CARD AES0 AES1 AES2 AES3 ] @args.CARD { type string } @args.AES0 { type integer } @args.AES1 { type integer } @args.AES2 { type integer } @args.AES3 { type integer } type iec958 slave { format IEC958_SUBFRAME_LE pcm { type plug slave.pcm { type hw card $CARD } } } status [ $AES0 $AES1 $AES2 $AES3 ] }