SOUND_MIXER_MUTE  854 include/linux/soundcard.h #define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
SOUND_MIXER_MUTE  878 include/linux/soundcard.h #define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
SOUND_MIXER_MUTE  908 include/linux/soundcard.h #define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)