SNDRV_CTL_TLVD_DB_SCALE_MUTE   20 include/sound/tlv.h #define TLV_DB_SCALE_MUTE		SNDRV_CTL_TLVD_DB_SCALE_MUTE
SNDRV_CTL_TLVD_DB_SCALE_MUTE   62 include/uapi/sound/tlv.h 			     ((mute) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0))