Symbol: IW_LOOPBACK
sys/dev/ic/interwave.c
1148
iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr);
sys/dev/ic/interwave.c
480
iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0);
sys/dev/ic/interwave.c
759
case IW_LOOPBACK: