diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index 8abe232ca4a4..e16e7237156f 100644
--- a/sound/soc/codecs/rt286.c
+++ b/sound/soc/codecs/rt286.c
@@ -171,6 +171,9 @@ static bool rt286_readable_register(struct device *dev, unsigned int reg)
 	case RT286_PROC_COEF:
 	case RT286_SET_AMP_GAIN_ADC_IN1:
 	case RT286_SET_AMP_GAIN_ADC_IN2:
+	case RT286_SET_GPIO_MASK:
+	case RT286_SET_GPIO_DIRECTION:
+	case RT286_SET_GPIO_DATA:
 	case RT286_SET_POWER(RT286_DAC_OUT1):
 	case RT286_SET_POWER(RT286_DAC_OUT2):
 	case RT286_SET_POWER(RT286_ADC_IN1):
@@ -1204,7 +1207,7 @@ static int rt286_i2c_probe(struct i2c_client *i2c,
 	mdelay(10);
 
 	if (!rt286->pdata.gpio2_en)
-		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
+		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x40);
 	else
 		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);