SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM 25 include/sound/tlv.h #define TLV_DB_MINMAX_MUTE_ITEM SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM 83 include/uapi/sound/tlv.h SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \