diff --git a/sound/soc/codecs/rk730.c b/sound/soc/codecs/rk730.c
index f21d15bb680c..a1423bd196b9 100644
--- a/sound/soc/codecs/rk730.c
+++ b/sound/soc/codecs/rk730.c
@@ -143,6 +143,14 @@ static const struct snd_kcontrol_new rk730_out2_switch =
 static SOC_ENUM_SINGLE_DECL(ana_ldo_volt_enum, RK730_LDO,
 			    4, ana_ldo_volt_text);
 
+static const char * const adc_sdo_sel_tx_text[] = {
+	"ADCL ADCR", "ADCL ADCR DACL DACR", "ADCL DACL", "ADCL DACR",
+	"ADCR DACL", "ADCR DACR",           "DACL DACR",
+};
+
+static SOC_ENUM_SINGLE_DECL(adc_sdo_sel_tx_enum, RK730_DI2S_TXCR2,
+			    5, adc_sdo_sel_tx_text);
+
 static int rk730_pll_event(struct snd_soc_dapm_widget *w,
 			   struct snd_kcontrol *kcontrol, int event)
 {
@@ -477,6 +485,7 @@ static const struct snd_kcontrol_new rk730_snd_controls[] = {
 	SOC_ENUM("Mic Bias Volt", micbias_volt_enum),
 	SOC_ENUM("DAC HPF Center Freq", dac_hfp_center_freq_enum),
 	SOC_ENUM("ADC CAPACITY TRIM", adc_capacity_trim_enum),
+	SOC_ENUM("ADC SDO SEL TX", adc_sdo_sel_tx_enum),
 	SOC_SINGLE("ADC Volume Bypass Switch", RK730_DTOP_VUCTL, 7, 1, 0),
 	SOC_SINGLE("DAC Volume Bypass Switch", RK730_DTOP_VUCTL, 6, 1, 0),
 	SOC_SINGLE("ADC Fade Switch", RK730_DTOP_VUCTL, 5, 1, 0),