SNDRV_CTL_TLVD_DB_GAIN_MUTE   35 include/sound/tlv.h #define TLV_DB_GAIN_MUTE		SNDRV_CTL_TLVD_DB_GAIN_MUTE
SNDRV_CTL_TLVD_DB_GAIN_MUTE  113 sound/soc/codecs/wm8991.c 	0x00, 0x2f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(SNDRV_CTL_TLVD_DB_GAIN_MUTE, 0, 1),