diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index fdf4a9add852..444c0e80f090 100644
--- a/sound/soc/codecs/tlv320adcx140.c
+++ b/sound/soc/codecs/tlv320adcx140.c
@@ -121,6 +121,34 @@ static const struct reg_default adcx140_reg_defaults[] = {
 	{ ADCX140_DEV_STS1, 0x80 },
 };
 
+static const struct regmap_range adcx140_wr_ranges[] = {
+	regmap_reg_range(ADCX140_PAGE_SELECT, ADCX140_SLEEP_CFG),
+	regmap_reg_range(ADCX140_SHDN_CFG, ADCX140_SHDN_CFG),
+	regmap_reg_range(ADCX140_ASI_CFG0, ADCX140_ASI_CFG2),
+	regmap_reg_range(ADCX140_ASI_CH1, ADCX140_MST_CFG1),
+	regmap_reg_range(ADCX140_CLK_SRC, ADCX140_CLK_SRC),
+	regmap_reg_range(ADCX140_PDMCLK_CFG, ADCX140_GPO_CFG3),
+	regmap_reg_range(ADCX140_GPO_VAL, ADCX140_GPO_VAL),
+	regmap_reg_range(ADCX140_GPI_CFG0, ADCX140_GPI_CFG1),
+	regmap_reg_range(ADCX140_GPI_MON, ADCX140_GPI_MON),
+	regmap_reg_range(ADCX140_INT_CFG, ADCX140_INT_MASK0),
+	regmap_reg_range(ADCX140_BIAS_CFG, ADCX140_CH4_CFG4),
+	regmap_reg_range(ADCX140_CH5_CFG2, ADCX140_CH5_CFG4),
+	regmap_reg_range(ADCX140_CH6_CFG2, ADCX140_CH6_CFG4),
+	regmap_reg_range(ADCX140_CH7_CFG2, ADCX140_CH7_CFG4),
+	regmap_reg_range(ADCX140_CH8_CFG2, ADCX140_CH8_CFG4),
+	regmap_reg_range(ADCX140_DSP_CFG0, ADCX140_DRE_CFG0),
+	regmap_reg_range(ADCX140_AGC_CFG0, ADCX140_AGC_CFG0),
+	regmap_reg_range(ADCX140_IN_CH_EN, ADCX140_PWR_CFG),
+	regmap_reg_range(ADCX140_PHASE_CALIB, ADCX140_PHASE_CALIB),
+	regmap_reg_range(0x7e, 0x7e),
+};
+
+static const struct regmap_access_table adcx140_wr_table = {
+	.yes_ranges = adcx140_wr_ranges,
+	.n_yes_ranges = ARRAY_SIZE(adcx140_wr_ranges),
+};
+
 static const struct regmap_range_cfg adcx140_ranges[] = {
 	{
 		.range_min = 0,
@@ -156,6 +184,7 @@ static const struct regmap_config adcx140_i2c_regmap = {
 	.num_ranges = ARRAY_SIZE(adcx140_ranges),
 	.max_register = 12 * 128,
 	.volatile_reg = adcx140_volatile,
+	.wr_table = &adcx140_wr_table,
 };
 
 /* Digital Volume control. From -100 to 27 dB in 0.5 dB steps */
@@ -1073,19 +1102,73 @@ out:
 	return ret;
 }
 
+static int adcx140_pwr_off(struct adcx140_priv *adcx140)
+{
+	regcache_cache_only(adcx140->regmap, true);
+	regcache_mark_dirty(adcx140->regmap);
+
+	/* Assert the reset GPIO */
+	gpiod_set_value_cansleep(adcx140->gpio_reset, 0);
+
+	/*
+	 * Datasheet - TLV320ADC3140 Rev. B, TLV320ADC5140 Rev. A,
+	 * TLV320ADC6140 Rev. A 8.4.1:
+	 * wait for hw shutdown (25ms) + >= 1ms
+	 */
+	usleep_range(30000, 100000);
+
+	return 0;
+}
+
+static int adcx140_pwr_on(struct adcx140_priv *adcx140)
+{
+	int ret;
+
+	/* De-assert the reset GPIO */
+	gpiod_set_value_cansleep(adcx140->gpio_reset, 1);
+
+	/*
+	 * Datasheet - TLV320ADC3140 Rev. B, TLV320ADC5140 Rev. A,
+	 * TLV320ADC6140 Rev. A 8.4.2:
+	 * wait >= 10 ms after entering sleep mode.
+	 */
+	usleep_range(10000, 100000);
+
+	regcache_cache_only(adcx140->regmap, false);
+
+	/* Flush the regcache */
+	ret = regcache_sync(adcx140->regmap);
+	if (ret) {
+		dev_err(adcx140->dev, "Failed to restore register map: %d\n",
+			ret);
+		return  ret;
+	}
+
+	return 0;
+}
+
 static int adcx140_set_bias_level(struct snd_soc_component *component,
 				  enum snd_soc_bias_level level)
 {
 	struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
+	enum snd_soc_bias_level prev_level
+		= snd_soc_component_get_bias_level(component);
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
 	case SND_SOC_BIAS_PREPARE:
+		if (prev_level == SND_SOC_BIAS_STANDBY)
+			adcx140_pwr_ctrl(adcx140, true);
+		break;
 	case SND_SOC_BIAS_STANDBY:
-		adcx140_pwr_ctrl(adcx140, true);
+		if (prev_level == SND_SOC_BIAS_PREPARE)
+			adcx140_pwr_ctrl(adcx140, false);
+		if (prev_level == SND_SOC_BIAS_OFF)
+			return adcx140_pwr_on(adcx140);
 		break;
 	case SND_SOC_BIAS_OFF:
-		adcx140_pwr_ctrl(adcx140, false);
+		if (prev_level == SND_SOC_BIAS_STANDBY)
+			return adcx140_pwr_off(adcx140);
 		break;
 	}
 
@@ -1186,6 +1269,8 @@ static int adcx140_i2c_probe(struct i2c_client *i2c)
 		return ret;
 	}
 
+	regcache_cache_only(adcx140->regmap, true);
+
 	i2c_set_clientdata(i2c, adcx140);
 
 	return devm_snd_soc_register_component(&i2c->dev,