mic_gain          281 dev/isa/ym.c   	sc->mic_gain = vol;
mic_gain          402 dev/isa/ym.c   		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->mic_gain;	
mic_gain           90 dev/isa/ymvar.h 	u_int8_t mic_gain;