MUTE_LEFT         616 dev/isa/ad1848.c   if (mute & MUTE_LEFT) {
MUTE_LEFT         621 dev/isa/ad1848.c   } else if (!(sc->mute[device] & MUTE_LEFT)) {
MUTE_LEFT         107 dev/isa/ad1848var.h #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)