SOUND_MIXER_IMIX  828 include/uapi/linux/soundcard.h #define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
SOUND_MIXER_IMIX  860 include/uapi/linux/soundcard.h #define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
SOUND_MIXER_IMIX  890 include/uapi/linux/soundcard.h #define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)