diff --git a/sound/soc/codecs/rt712-sdca-dmic.h b/sound/soc/codecs/rt712-sdca-dmic.h
index 110154e74efe..2f08e58ed519 100644
--- a/sound/soc/codecs/rt712-sdca-dmic.h
+++ b/sound/soc/codecs/rt712-sdca-dmic.h
@@ -36,6 +36,7 @@ struct rt712_sdca_dmic_kctrl_priv {
 #define CH_03	0x03
 #define CH_04	0x04
 
+/* must stay sorted by register address, regcache_lookup_reg() does a bsearch() */
 static const struct reg_default rt712_sdca_dmic_reg_defaults[] = {
 	{ 0x201a, 0x00 },
 	{ 0x201b, 0x00 },
@@ -72,15 +73,16 @@ static const struct reg_default rt712_sdca_dmic_reg_defaults[] = {
 	{ 0x2f59, 0x07 },
 	{ 0x3201, 0x01 },
 	{ 0x320c, 0x00 },
-	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x00 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_02), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_03), 0x01 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_04), 0x01 },
-	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
 	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
+	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
+	{ SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x00 },
 };
 
+/* must stay sorted by register address, regcache_lookup_reg() does a bsearch() */
 static const struct reg_default rt712_sdca_dmic_mbq_defaults[] = {
 	{ 0x0590001e, 0x0020 },
 	{ 0x06100000, 0x0010 },