boost_vol 58 sound/soc/codecs/ml26124.c static const DECLARE_TLV_DB_SCALE(boost_vol, -1200, 75, 0); boost_vol 75 sound/soc/codecs/ml26124.c 0x3f, 0, boost_vol), boost_vol 97 sound/soc/codecs/ml26124.c 0x3f, 0, boost_vol),