# # Configuration for iMX6 HDMI output - /usr/share/alsa/cards/imx-hdmi-soc.conf # imx-hdmi-soc.pcm.hdmi.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 hooks slave.pcm { type hw card $CARD } hooks.0 { type ctl_elems hook_args [ { interface MIXER name "IEC958 Playback Default" lock true preserve true optional true value [ $AES0 $AES1 $AES2 $AES3 ] } ] } }