SOUND_MIXER_MUTE
case SOUND_MIXER_MUTE:
case SOUND_MIXER_MUTE:
case SOUND_MIXER_MUTE:
case SOUND_MIXER_MUTE:
MIX(sc).ctl = SOUND_MIXER_MUTE;
MIX(sc).ctl = SOUND_MIXER_MUTE;
#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)