View file File name : front.conf Content :# # Hardware output from front speakers # pcm.!front { @args [ CARD DEV ] @args.CARD { type string default { @func getenv vars [ ALSA_FRONT_CARD ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.front.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_FRONT_DEVICE ] default { @func refer name defaults.pcm.front.device } } } type empty slave.pcm { @func refer name { @func concat strings [ "cards." { @func card_inum card $CARD } ".pcm.front." $DEV ":CARD=" $CARD ] } } hint { show { @func refer name defaults.namehint.basic } description "Front output / input" device_output $DEV device_input $DEV omit_noargs true } }