diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 31d969ac1192..985e437f559e 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -789,16 +789,15 @@ static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0);
 static const DECLARE_TLV_DB_SCALE(st_vol_tlv, -4650, 150, 0);
 
 /* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */
-static unsigned int bst_tlv[] = {
-	TLV_DB_RANGE_HEAD(7),
+static const DECLARE_TLV_DB_RANGE(bst_tlv,
 	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 	1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
 	2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0),
 	3, 5, TLV_DB_SCALE_ITEM(3000, 500, 0),
 	6, 6, TLV_DB_SCALE_ITEM(4400, 0, 0),
 	7, 7, TLV_DB_SCALE_ITEM(5000, 0, 0),
-	8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0),
-};
+	8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0)
+);
 
 static int rt5677_dsp_vad_get(struct snd_kcontrol *kcontrol,
 		struct snd_ctl_elem_value *ucontrol)