Edit File: surround21.conf
# # Hardware output from 2.1 speakers. # Samples must be positioned: # chn0 - front left # chn1 - front right # chn2 - LFE # pcm.!surround21 { @args [ CARD DEV ] @args.CARD { type string default { @func getenv vars [ ALSA_SURROUND21_CARD ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.surround21.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_SURROUND21_DEVICE ] default { @func refer name defaults.pcm.surround21.device } } } type route slave.pcm { @func refer name { @func concat strings [ "cards." { @func card_driver card $CARD } ".pcm.surround51." $DEV ":CARD=" $CARD ] } } ttable.0.FL 1 ttable.1.FR 1 ttable.2.LFE 1 hint { description "2.1 Surround output to Front and Subwoofer speakers" device_output $DEV } }