diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c
index 8cd22307f5b6..14b0cf89edf5 100644
--- a/sound/soc/codecs/rt5665.c
+++ b/sound/soc/codecs/rt5665.c
@@ -912,46 +912,46 @@ static const char * const rt5665_data_select[] = {
 	"L/R", "R/L", "L/L", "R/R"
 };
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_1_01_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_1_01_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_1_DS_ADC_SLOT01_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_1_23_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_1_23_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_1_DS_ADC_SLOT23_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_1_45_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_1_45_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_1_DS_ADC_SLOT45_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_1_67_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_1_67_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_1_DS_ADC_SLOT67_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_2_01_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_2_01_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_2_DS_ADC_SLOT01_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_2_23_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_2_23_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_2_DS_ADC_SLOT23_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_2_45_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_2_45_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_2_DS_ADC_SLOT45_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if1_2_67_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if1_2_67_adc_enum,
 	RT5665_TDM_CTRL_2, RT5665_I2S1_2_DS_ADC_SLOT67_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if2_1_dac_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if2_1_dac_enum,
 	RT5665_DIG_INF2_DATA, RT5665_IF2_1_DAC_SEL_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if2_1_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if2_1_adc_enum,
 	RT5665_DIG_INF2_DATA, RT5665_IF2_1_ADC_SEL_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if2_2_dac_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if2_2_dac_enum,
 	RT5665_DIG_INF2_DATA, RT5665_IF2_2_DAC_SEL_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if2_2_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if2_2_adc_enum,
 	RT5665_DIG_INF2_DATA, RT5665_IF2_2_ADC_SEL_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if3_dac_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if3_dac_enum,
 	RT5665_DIG_INF3_DATA, RT5665_IF3_DAC_SEL_SFT, rt5665_data_select);
 
-static const SOC_ENUM_SINGLE_DECL(rt5665_if3_adc_enum,
+static SOC_ENUM_SINGLE_DECL(rt5665_if3_adc_enum,
 	RT5665_DIG_INF3_DATA, RT5665_IF3_ADC_SEL_SFT, rt5665_data_select);
 
 static const struct snd_kcontrol_new rt5665_if1_1_01_adc_swap_mux =
@@ -1819,14 +1819,14 @@ static const char * const rt5665_dac2_src[] = {
 	"IF1 DAC2", "IF2_1 DAC", "IF2_2 DAC", "IF3 DAC", "Mono ADC MIX"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_l2_enum, RT5665_DAC2_CTRL,
 	RT5665_DAC_L2_SEL_SFT, rt5665_dac2_src);
 
 static const struct snd_kcontrol_new rt5665_dac_l2_mux =
 	SOC_DAPM_ENUM("Digital DAC L2 Source", rt5665_dac_l2_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_r2_enum, RT5665_DAC2_CTRL,
 	RT5665_DAC_R2_SEL_SFT, rt5665_dac2_src);
 
@@ -1839,14 +1839,14 @@ static const char * const rt5665_dac3_src[] = {
 	"IF1 DAC2", "IF2_1 DAC", "IF2_2 DAC", "IF3 DAC", "STO2 ADC MIX"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_l3_enum, RT5665_DAC3_CTRL,
 	RT5665_DAC_L3_SEL_SFT, rt5665_dac3_src);
 
 static const struct snd_kcontrol_new rt5665_dac_l3_mux =
 	SOC_DAPM_ENUM("Digital DAC L3 Source", rt5665_dac_l3_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_r3_enum, RT5665_DAC3_CTRL,
 	RT5665_DAC_R3_SEL_SFT, rt5665_dac3_src);
 
@@ -1859,14 +1859,14 @@ static const char * const rt5665_sto1_adc1_src[] = {
 	"DD Mux", "ADC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adc1l_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADC1L_SRC_SFT, rt5665_sto1_adc1_src);
 
 static const struct snd_kcontrol_new rt5665_sto1_adc1l_mux =
 	SOC_DAPM_ENUM("Stereo1 ADC1L Source", rt5665_sto1_adc1l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adc1r_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADC1R_SRC_SFT, rt5665_sto1_adc1_src);
 
@@ -1879,14 +1879,14 @@ static const char * const rt5665_sto1_adc_src[] = {
 	"ADC1 L", "ADC1 R", "ADC2 L", "ADC2 R"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adcl_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADCL_SRC_SFT, rt5665_sto1_adc_src);
 
 static const struct snd_kcontrol_new rt5665_sto1_adcl_mux =
 	SOC_DAPM_ENUM("Stereo1 ADCL Source", rt5665_sto1_adcl_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adcr_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADCR_SRC_SFT, rt5665_sto1_adc_src);
 
@@ -1899,14 +1899,14 @@ static const char * const rt5665_sto1_adc2_src[] = {
 	"DAC MIX", "DMIC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adc2l_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADC2L_SRC_SFT, rt5665_sto1_adc2_src);
 
 static const struct snd_kcontrol_new rt5665_sto1_adc2l_mux =
 	SOC_DAPM_ENUM("Stereo1 ADC2L Source", rt5665_sto1_adc2l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_adc2r_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_ADC2R_SRC_SFT, rt5665_sto1_adc2_src);
 
@@ -1919,7 +1919,7 @@ static const char * const rt5665_sto1_dmic_src[] = {
 	"DMIC1", "DMIC2"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_dmic_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_DMIC_SRC_SFT, rt5665_sto1_dmic_src);
 
@@ -1931,7 +1931,7 @@ static const char * const rt5665_sto1_dd_l_src[] = {
 	"STO2 DAC", "MONO DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_dd_l_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_DD_L_SRC_SFT, rt5665_sto1_dd_l_src);
 
@@ -1943,7 +1943,7 @@ static const char * const rt5665_sto1_dd_r_src[] = {
 	"STO2 DAC", "MONO DAC", "AEC REF"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto1_dd_r_enum, RT5665_STO1_ADC_MIXER,
 	RT5665_STO1_DD_R_SRC_SFT, rt5665_sto1_dd_r_src);
 
@@ -1956,7 +1956,7 @@ static const char * const rt5665_mono_adc_l2_src[] = {
 	"DAC MIXL", "DMIC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adc_l2_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_L2_SRC_SFT, rt5665_mono_adc_l2_src);
 
@@ -1970,7 +1970,7 @@ static const char * const rt5665_mono_adc_l1_src[] = {
 	"DD Mux", "ADC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adc_l1_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_L1_SRC_SFT, rt5665_mono_adc_l1_src);
 
@@ -1982,14 +1982,14 @@ static const char * const rt5665_mono_dd_src[] = {
 	"STO2 DAC", "MONO DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_dd_l_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_DD_L_SRC_SFT, rt5665_mono_dd_src);
 
 static const struct snd_kcontrol_new rt5665_mono_dd_l_mux =
 	SOC_DAPM_ENUM("Mono DD L Source", rt5665_mono_dd_l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_dd_r_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_DD_R_SRC_SFT, rt5665_mono_dd_src);
 
@@ -2002,14 +2002,14 @@ static const char * const rt5665_mono_adc_src[] = {
 	"ADC1 L", "ADC1 R", "ADC2 L", "ADC2 R"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adc_l_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_L_SRC_SFT, rt5665_mono_adc_src);
 
 static const struct snd_kcontrol_new rt5665_mono_adc_l_mux =
 	SOC_DAPM_ENUM("Mono ADC L Source", rt5665_mono_adc_l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adcr_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_R_SRC_SFT, rt5665_mono_adc_src);
 
@@ -2022,7 +2022,7 @@ static const char * const rt5665_mono_dmic_l_src[] = {
 	"DMIC1 L", "DMIC2 L"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_dmic_l_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_DMIC_L_SRC_SFT, rt5665_mono_dmic_l_src);
 
@@ -2035,7 +2035,7 @@ static const char * const rt5665_mono_adc_r2_src[] = {
 	"DAC MIXR", "DMIC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adc_r2_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_R2_SRC_SFT, rt5665_mono_adc_r2_src);
 
@@ -2048,7 +2048,7 @@ static const char * const rt5665_mono_adc_r1_src[] = {
 	"DD Mux", "ADC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_adc_r1_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_ADC_R1_SRC_SFT, rt5665_mono_adc_r1_src);
 
@@ -2061,7 +2061,7 @@ static const char * const rt5665_mono_dmic_r_src[] = {
 	"DMIC1 R", "DMIC2 R"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_mono_dmic_r_enum, RT5665_MONO_ADC_MIXER,
 	RT5665_MONO_DMIC_R_SRC_SFT, rt5665_mono_dmic_r_src);
 
@@ -2075,14 +2075,14 @@ static const char * const rt5665_sto2_adc1_src[] = {
 	"DD Mux", "ADC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adc1l_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADC1L_SRC_SFT, rt5665_sto2_adc1_src);
 
 static const struct snd_kcontrol_new rt5665_sto2_adc1l_mux =
 	SOC_DAPM_ENUM("Stereo2 ADC1L Source", rt5665_sto2_adc1l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adc1r_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADC1R_SRC_SFT, rt5665_sto2_adc1_src);
 
@@ -2095,14 +2095,14 @@ static const char * const rt5665_sto2_adc_src[] = {
 	"ADC1 L", "ADC1 R", "ADC2 L"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adcl_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADCL_SRC_SFT, rt5665_sto2_adc_src);
 
 static const struct snd_kcontrol_new rt5665_sto2_adcl_mux =
 	SOC_DAPM_ENUM("Stereo2 ADCL Source", rt5665_sto2_adcl_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adcr_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADCR_SRC_SFT, rt5665_sto2_adc_src);
 
@@ -2115,14 +2115,14 @@ static const char * const rt5665_sto2_adc2_src[] = {
 	"DAC MIX", "DMIC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adc2l_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADC2L_SRC_SFT, rt5665_sto2_adc2_src);
 
 static const struct snd_kcontrol_new rt5665_sto2_adc2l_mux =
 	SOC_DAPM_ENUM("Stereo2 ADC2L Source", rt5665_sto2_adc2l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_adc2r_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_ADC2R_SRC_SFT, rt5665_sto2_adc2_src);
 
@@ -2135,7 +2135,7 @@ static const char * const rt5665_sto2_dmic_src[] = {
 	"DMIC1", "DMIC2"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_dmic_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_DMIC_SRC_SFT, rt5665_sto2_dmic_src);
 
@@ -2147,7 +2147,7 @@ static const char * const rt5665_sto2_dd_l_src[] = {
 	"STO2 DAC", "MONO DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_dd_l_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_DD_L_SRC_SFT, rt5665_sto2_dd_l_src);
 
@@ -2159,7 +2159,7 @@ static const char * const rt5665_sto2_dd_r_src[] = {
 	"STO2 DAC", "MONO DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_sto2_dd_r_enum, RT5665_STO2_ADC_MIXER,
 	RT5665_STO2_DD_R_SRC_SFT, rt5665_sto2_dd_r_src);
 
@@ -2172,14 +2172,14 @@ static const char * const rt5665_dac1_src[] = {
 	"IF1 DAC1", "IF2_1 DAC", "IF2_2 DAC", "IF3 DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_r1_enum, RT5665_AD_DA_MIXER,
 	RT5665_DAC1_R_SEL_SFT, rt5665_dac1_src);
 
 static const struct snd_kcontrol_new rt5665_dac_r1_mux =
 	SOC_DAPM_ENUM("DAC R1 Source", rt5665_dac_r1_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dac_l1_enum, RT5665_AD_DA_MIXER,
 	RT5665_DAC1_L_SEL_SFT, rt5665_dac1_src);
 
@@ -2192,14 +2192,14 @@ static const char * const rt5665_dig_dac_mix_src[] = {
 	"Stereo1 DAC Mixer", "Stereo2 DAC Mixer", "Mono DAC Mixer"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dig_dac_mixl_enum, RT5665_A_DAC1_MUX,
 	RT5665_DAC_MIX_L_SFT, rt5665_dig_dac_mix_src);
 
 static const struct snd_kcontrol_new rt5665_dig_dac_mixl_mux =
 	SOC_DAPM_ENUM("DAC Digital Mixer L Source", rt5665_dig_dac_mixl_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_dig_dac_mixr_enum, RT5665_A_DAC1_MUX,
 	RT5665_DAC_MIX_R_SFT, rt5665_dig_dac_mix_src);
 
@@ -2212,14 +2212,14 @@ static const char * const rt5665_alg_dac1_src[] = {
 	"Stereo1 DAC Mixer", "DAC1", "DMIC1"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_alg_dac_l1_enum, RT5665_A_DAC1_MUX,
 	RT5665_A_DACL1_SFT, rt5665_alg_dac1_src);
 
 static const struct snd_kcontrol_new rt5665_alg_dac_l1_mux =
 	SOC_DAPM_ENUM("Analog DAC L1 Source", rt5665_alg_dac_l1_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_alg_dac_r1_enum, RT5665_A_DAC1_MUX,
 	RT5665_A_DACR1_SFT, rt5665_alg_dac1_src);
 
@@ -2232,14 +2232,14 @@ static const char * const rt5665_alg_dac2_src[] = {
 	"Mono DAC Mixer", "DAC2"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_alg_dac_l2_enum, RT5665_A_DAC2_MUX,
 	RT5665_A_DACL2_SFT, rt5665_alg_dac2_src);
 
 static const struct snd_kcontrol_new rt5665_alg_dac_l2_mux =
 	SOC_DAPM_ENUM("Analog DAC L2 Source", rt5665_alg_dac_l2_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_alg_dac_r2_enum, RT5665_A_DAC2_MUX,
 	RT5665_A_DACR2_SFT, rt5665_alg_dac2_src);
 
@@ -2253,7 +2253,7 @@ static const char * const rt5665_if2_1_adc_in_src[] = {
 	"IF1 DAC2", "IF2_2 DAC", "IF3 DAC", "DAC1 MIX"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if2_1_adc_in_enum, RT5665_DIG_INF2_DATA,
 	RT5665_IF2_1_ADC_IN_SFT, rt5665_if2_1_adc_in_src);
 
@@ -2266,7 +2266,7 @@ static const char * const rt5665_if2_2_adc_in_src[] = {
 	"IF1 DAC2", "IF2_1 DAC", "IF3 DAC", "DAC1 MIX"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if2_2_adc_in_enum, RT5665_DIG_INF2_DATA,
 	RT5665_IF2_2_ADC_IN_SFT, rt5665_if2_2_adc_in_src);
 
@@ -2280,7 +2280,7 @@ static const char * const rt5665_if3_adc_in_src[] = {
 	"IF1 DAC2", "IF2_1 DAC", "IF2_2 DAC", "DAC1 MIX"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if3_adc_in_enum, RT5665_DIG_INF3_DATA,
 	RT5665_IF3_ADC_IN_SFT, rt5665_if3_adc_in_src);
 
@@ -2293,14 +2293,14 @@ static const char * const rt5665_pdm_src[] = {
 	"Stereo1 DAC", "Stereo2 DAC", "Mono DAC"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_pdm_l_enum, RT5665_PDM_OUT_CTRL,
 	RT5665_PDM1_L_SFT, rt5665_pdm_src);
 
 static const struct snd_kcontrol_new rt5665_pdm_l_mux =
 	SOC_DAPM_ENUM("PDM L Source", rt5665_pdm_l_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_pdm_r_enum, RT5665_PDM_OUT_CTRL,
 	RT5665_PDM1_R_SFT, rt5665_pdm_src);
 
@@ -2314,7 +2314,7 @@ static const char * const rt5665_if1_1_adc1_data_src[] = {
 	"STO1 ADC", "IF2_1 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_1_adc1_data_enum, RT5665_TDM_CTRL_3,
 	RT5665_IF1_ADC1_SEL_SFT, rt5665_if1_1_adc1_data_src);
 
@@ -2326,7 +2326,7 @@ static const char * const rt5665_if1_1_adc2_data_src[] = {
 	"STO2 ADC", "IF2_2 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_1_adc2_data_enum, RT5665_TDM_CTRL_3,
 	RT5665_IF1_ADC2_SEL_SFT, rt5665_if1_1_adc2_data_src);
 
@@ -2338,7 +2338,7 @@ static const char * const rt5665_if1_1_adc3_data_src[] = {
 	"MONO ADC", "IF3 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_1_adc3_data_enum, RT5665_TDM_CTRL_3,
 	RT5665_IF1_ADC3_SEL_SFT, rt5665_if1_1_adc3_data_src);
 
@@ -2350,7 +2350,7 @@ static const char * const rt5665_if1_2_adc1_data_src[] = {
 	"STO1 ADC", "IF1 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_2_adc1_data_enum, RT5665_TDM_CTRL_4,
 	RT5665_IF1_ADC1_SEL_SFT, rt5665_if1_2_adc1_data_src);
 
@@ -2362,7 +2362,7 @@ static const char * const rt5665_if1_2_adc2_data_src[] = {
 	"STO2 ADC", "IF2_1 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_2_adc2_data_enum, RT5665_TDM_CTRL_4,
 	RT5665_IF1_ADC2_SEL_SFT, rt5665_if1_2_adc2_data_src);
 
@@ -2374,7 +2374,7 @@ static const char * const rt5665_if1_2_adc3_data_src[] = {
 	"MONO ADC", "IF2_2 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_2_adc3_data_enum, RT5665_TDM_CTRL_4,
 	RT5665_IF1_ADC3_SEL_SFT, rt5665_if1_2_adc3_data_src);
 
@@ -2386,7 +2386,7 @@ static const char * const rt5665_if1_2_adc4_data_src[] = {
 	"DAC1", "IF3 DAC",
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_if1_2_adc4_data_enum, RT5665_TDM_CTRL_4,
 	RT5665_IF1_ADC4_SEL_SFT, rt5665_if1_2_adc4_data_src);
 
@@ -2401,14 +2401,14 @@ static const char * const rt5665_tdm_adc_data_src[] = {
 	"4123", "4132", "4213", "4231", "4312", "4321"
 };
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_tdm1_adc_data_enum, RT5665_TDM_CTRL_3,
 	RT5665_TDM_ADC_SEL_SFT, rt5665_tdm_adc_data_src);
 
 static const struct snd_kcontrol_new rt5665_tdm1_adc_mux =
 	SOC_DAPM_ENUM("TDM1 ADC Mux", rt5665_tdm1_adc_data_enum);
 
-static const SOC_ENUM_SINGLE_DECL(
+static SOC_ENUM_SINGLE_DECL(
 	rt5665_tdm2_adc_data_enum, RT5665_TDM_CTRL_4,
 	RT5665_TDM_ADC_SEL_SFT, rt5665_tdm_adc_data_src);
 
