SOUND_MIXER_CD    827 include/uapi/linux/soundcard.h #define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
SOUND_MIXER_CD    859 include/uapi/linux/soundcard.h #define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
SOUND_MIXER_CD    889 include/uapi/linux/soundcard.h #define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
SOUND_MIXER_CD   1272 sound/core/oss/mixer_oss.c 		{ SOUND_MIXER_CD,	"CD", 			0 },