SA3_VOL_L         164 dev/isa/ym.c   	ym_mute(sc, SA3_VOL_L, sc->master_mute);
SA3_VOL_L         266 dev/isa/ym.c   	ym_write(sc, SA3_VOL_L, (ym_read(sc, SA3_VOL_L) & ~SA3_VOL_MV) | atten);
SA3_VOL_L         332 dev/isa/ym.c   		ym_mute(sc, SA3_VOL_L, sc->master_mute);