MUTE_RIGHT        634 dev/isa/ad1848.c   if (mute & MUTE_RIGHT)
MUTE_RIGHT        636 dev/isa/ad1848.c   else if (!(sc->mute[device] & MUTE_RIGHT)) {
MUTE_RIGHT        107 dev/isa/ad1848var.h #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)