mixer_vol_table   963 include/uapi/linux/soundcard.h #define SOUND_MIXER_GETLEVELS		_SIOWR('M', 116, mixer_vol_table)
mixer_vol_table   964 include/uapi/linux/soundcard.h #define SOUND_MIXER_SETLEVELS		_SIOWR('M', 117, mixer_vol_table)