SA3_MIC_VOL       168 dev/isa/ym.c   	ym_mute(sc, SA3_MIC_VOL, sc->mic_mute);
SA3_MIC_VOL       286 dev/isa/ym.c   	ym_write(sc, SA3_MIC_VOL,
SA3_MIC_VOL       287 dev/isa/ym.c   	    (ym_read(sc, SA3_MIC_VOL) & ~SA3_MIC_MCV) | atten);
SA3_MIC_VOL       364 dev/isa/ym.c   		ym_mute(sc, SA3_MIC_VOL, sc->mic_mute);