ASoC: mediatek: mt6359: add codec driver

Add the mt6359 codec driver.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/1597913493-10747-2-git-send-email-jiaxin.yu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

4 files changed, 5403 insertions, 0 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 946a70210f49..e6c71ca0cd9b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -127,6 +127,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_ML26124
 	imply SND_SOC_MT6351
 	imply SND_SOC_MT6358
+	imply SND_SOC_MT6359
 	imply SND_SOC_MT6660
 	imply SND_SOC_NAU8540
 	imply SND_SOC_NAU8810
@@ -1724,6 +1725,13 @@ config SND_SOC_MT6358
 	  Enable support for the platform which uses MT6358 as
 	  external codec device.
 
+config SND_SOC_MT6359
+	tristate "MediaTek MT6359 Codec"
+	depends on MTK_PMIC_WRAP
+	help
+	  Enable support for the platform which uses MT6359 as
+	  external codec device.
+
 config SND_SOC_MT6660
 	tristate "Mediatek MT6660 Speaker Amplifier"
 	depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 0140c60db695..9a3f58c1069a 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -126,6 +126,7 @@ snd-soc-msm8916-analog-objs := msm8916-wcd-analog.o
 snd-soc-msm8916-digital-objs := msm8916-wcd-digital.o
 snd-soc-mt6351-objs := mt6351.o
 snd-soc-mt6358-objs := mt6358.o
+snd-soc-mt6359-objs := mt6359.o
 snd-soc-mt6660-objs := mt6660.o
 snd-soc-nau8540-objs := nau8540.o
 snd-soc-nau8810-objs := nau8810.o
@@ -431,6 +432,7 @@ obj-$(CONFIG_SND_SOC_MSM8916_WCD_ANALOG) +=snd-soc-msm8916-analog.o
 obj-$(CONFIG_SND_SOC_MSM8916_WCD_DIGITAL) +=snd-soc-msm8916-digital.o
 obj-$(CONFIG_SND_SOC_MT6351)	+= snd-soc-mt6351.o
 obj-$(CONFIG_SND_SOC_MT6358)	+= snd-soc-mt6358.o
+obj-$(CONFIG_SND_SOC_MT6359)	+= snd-soc-mt6359.o
 obj-$(CONFIG_SND_SOC_MT6660)	+= snd-soc-mt6660.o
 obj-$(CONFIG_SND_SOC_NAU8540)   += snd-soc-nau8540.o
 obj-$(CONFIG_SND_SOC_NAU8810)   += snd-soc-nau8810.o
diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c
new file mode 100644
index 000000000000..72f05335b420
--- /dev/null
+++ b/sound/soc/codecs/mt6359.c
@@ -0,0 +1,2753 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// mt6359.c  --  mt6359 ALSA SoC audio codec driver
+//
+// Copyright (c) 2020 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <linux/mfd/mt6397/core.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/sched.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+
+#include "mt6359.h"
+
+static void mt6359_set_playback_gpio(struct mt6359_priv *priv)
+{
+	/* set gpio mosi mode, clk / data mosi */
+	regmap_write(priv->regmap, MT6359_GPIO_MODE2_CLR, 0x0ffe);
+	regmap_write(priv->regmap, MT6359_GPIO_MODE2_SET, 0x0249);
+
+	/* sync mosi */
+	regmap_write(priv->regmap, MT6359_GPIO_MODE3_CLR, 0x6);
+	regmap_write(priv->regmap, MT6359_GPIO_MODE3_SET, 0x1);
+}
+
+static void mt6359_reset_playback_gpio(struct mt6359_priv *priv)
+{
+	/* set pad_aud_*_mosi to GPIO mode and dir input
+	 * reason:
+	 * pad_aud_dat_mosi*, because the pin is used as boot strap
+	 * don't clean clk/sync, for mtkaif protocol 2
+	 */
+	regmap_write(priv->regmap, MT6359_GPIO_MODE2_CLR, 0x0ff8);
+	regmap_update_bits(priv->regmap, MT6359_GPIO_DIR0, 0x7 << 9, 0x0);
+}
+
+static void mt6359_set_capture_gpio(struct mt6359_priv *priv)
+{
+	/* set gpio miso mode */
+	regmap_write(priv->regmap, MT6359_GPIO_MODE3_CLR, 0x0e00);
+	regmap_write(priv->regmap, MT6359_GPIO_MODE3_SET, 0x0200);
+
+	regmap_write(priv->regmap, MT6359_GPIO_MODE4_CLR, 0x003f);
+	regmap_write(priv->regmap, MT6359_GPIO_MODE4_SET, 0x0009);
+}
+
+static void mt6359_reset_capture_gpio(struct mt6359_priv *priv)
+{
+	/* set pad_aud_*_miso to GPIO mode and dir input
+	 * reason:
+	 * pad_aud_clk_miso, because when playback only the miso_clk
+	 * will also have 26m, so will have power leak
+	 * pad_aud_dat_miso*, because the pin is used as boot strap
+	 */
+	regmap_write(priv->regmap, MT6359_GPIO_MODE3_CLR, 0x0e00);
+
+	regmap_write(priv->regmap, MT6359_GPIO_MODE4_CLR, 0x003f);
+
+	regmap_update_bits(priv->regmap, MT6359_GPIO_DIR0,
+			   0x7 << 13, 0x0);
+	regmap_update_bits(priv->regmap, MT6359_GPIO_DIR1,
+			   0x3 << 0, 0x0);
+}
+
+static void mt6359_set_decoder_clk(struct mt6359_priv *priv, bool enable)
+{
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON13,
+			   RG_RSTB_DECODER_VA32_MASK_SFT,
+			   (enable ? 1 : 0) << RG_RSTB_DECODER_VA32_SFT);
+}
+
+static void mt6359_mtkaif_tx_enable(struct mt6359_priv *priv)
+{
+	switch (priv->mtkaif_protocol) {
+	case MT6359_MTKAIF_PROTOCOL_2_CLK_P2:
+		/* MTKAIF TX format setting */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_ADDA_MTKAIF_CFG0,
+				   0xffff, 0x0210);
+		/* enable aud_pad TX fifos */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_AUD_PAD_TOP,
+				   0xff00, 0x3800);
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_AUD_PAD_TOP,
+				   0xff00, 0x3900);
+		break;
+	case MT6359_MTKAIF_PROTOCOL_2:
+		/* MTKAIF TX format setting */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_ADDA_MTKAIF_CFG0,
+				   0xffff, 0x0210);
+		/* enable aud_pad TX fifos */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_AUD_PAD_TOP,
+				   0xff00, 0x3100);
+		break;
+	case MT6359_MTKAIF_PROTOCOL_1:
+	default:
+		/* MTKAIF TX format setting */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_ADDA_MTKAIF_CFG0,
+				   0xffff, 0x0000);
+		/* enable aud_pad TX fifos */
+		regmap_update_bits(priv->regmap,
+				   MT6359_AFE_AUD_PAD_TOP,
+				   0xff00, 0x3100);
+		break;
+	}
+}
+
+static void mt6359_mtkaif_tx_disable(struct mt6359_priv *priv)
+{
+	/* disable aud_pad TX fifos */
+	regmap_update_bits(priv->regmap, MT6359_AFE_AUD_PAD_TOP,
+			   0xff00, 0x3000);
+}
+
+static void zcd_disable(struct mt6359_priv *priv)
+{
+	regmap_write(priv->regmap, MT6359_ZCD_CON0, 0x0000);
+}
+
+static void hp_main_output_ramp(struct mt6359_priv *priv, bool up)
+{
+	int i = 0, stage = 0;
+	int target = 7;
+
+	/* Enable/Reduce HPL/R main output stage step by step */
+	for (i = 0; i <= target; i++) {
+		stage = up ? i : target - i;
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1,
+				   RG_HPLOUTSTGCTRL_VAUDP32_MASK_SFT,
+				   stage << RG_HPLOUTSTGCTRL_VAUDP32_SFT);
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1,
+				   RG_HPROUTSTGCTRL_VAUDP32_MASK_SFT,
+				   stage << RG_HPROUTSTGCTRL_VAUDP32_SFT);
+		usleep_range(600, 650);
+	}
+}
+
+static void hp_aux_feedback_loop_gain_ramp(struct mt6359_priv *priv, bool up)
+{
+	int i = 0, stage = 0;
+	int target = 0xf;
+
+	/* Enable/Reduce HP aux feedback loop gain step by step */
+	for (i = 0; i <= target; i++) {
+		stage = up ? i : target - i;
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON9,
+				   0xf << 12, stage << 12);
+		usleep_range(600, 650);
+	}
+}
+
+static void hp_in_pair_current(struct mt6359_priv *priv, bool increase)
+{
+	int i = 0, stage = 0;
+	int target = 0x3;
+
+	/* Set input diff pair bias select (Hi-Fi mode) */
+	if (priv->hp_hifi_mode) {
+		/* Reduce HP aux feedback loop gain step by step */
+		for (i = 0; i <= target; i++) {
+			stage = increase ? i : target - i;
+			regmap_update_bits(priv->regmap,
+					   MT6359_AUDDEC_ANA_CON10,
+					   0x3 << 3, stage << 3);
+			usleep_range(100, 150);
+		}
+	}
+}
+
+static void hp_pull_down(struct mt6359_priv *priv, bool enable)
+{
+	int i;
+
+	if (enable) {
+		for (i = 0x0; i <= 0x7; i++) {
+			regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON2,
+					   RG_HPPSHORT2VCM_VAUDP32_MASK_SFT,
+					   i << RG_HPPSHORT2VCM_VAUDP32_SFT);
+			usleep_range(100, 150);
+		}
+	} else {
+		for (i = 0x7; i >= 0x0; i--) {
+			regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON2,
+					   RG_HPPSHORT2VCM_VAUDP32_MASK_SFT,
+					   i << RG_HPPSHORT2VCM_VAUDP32_SFT);
+			usleep_range(100, 150);
+		}
+	}
+}
+
+static bool is_valid_hp_pga_idx(int reg_idx)
+{
+	return (reg_idx >= DL_GAIN_8DB && reg_idx <= DL_GAIN_N_22DB) ||
+	       reg_idx == DL_GAIN_N_40DB;
+}
+
+static void headset_volume_ramp(struct mt6359_priv *priv,
+				int from, int to)
+{
+	int offset = 0, count = 1, reg_idx;
+
+	if (!is_valid_hp_pga_idx(from) || !is_valid_hp_pga_idx(to)) {
+		dev_warn(priv->dev, "%s(), volume index is not valid, from %d, to %d\n",
+			 __func__, from, to);
+		return;
+	}
+
+	dev_dbg(priv->dev, "%s(), from %d, to %d\n", __func__, from, to);
+
+	if (to > from)
+		offset = to - from;
+	else
+		offset = from - to;
+
+	while (offset > 0) {
+		if (to > from)
+			reg_idx = from + count;
+		else
+			reg_idx = from - count;
+
+		if (is_valid_hp_pga_idx(reg_idx)) {
+			regmap_update_bits(priv->regmap,
+					   MT6359_ZCD_CON2,
+					   DL_GAIN_REG_MASK,
+					   (reg_idx << 7) | reg_idx);
+			usleep_range(600, 650);
+		}
+		offset--;
+		count++;
+	}
+}
+
+static int mt6359_put_volsw(struct snd_kcontrol *kcontrol,
+			    struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component =
+			snd_soc_kcontrol_component(kcontrol);
+	struct mt6359_priv *priv = snd_soc_component_get_drvdata(component);
+	struct soc_mixer_control *mc =
+			(struct soc_mixer_control *)kcontrol->private_value;
+	unsigned int reg;
+	int index = ucontrol->value.integer.value[0];
+	int ret;
+
+	ret = snd_soc_put_volsw(kcontrol, ucontrol);
+	if (ret < 0)
+		return ret;
+
+	switch (mc->reg) {
+	case MT6359_ZCD_CON2:
+		regmap_read(priv->regmap, MT6359_ZCD_CON2, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] =
+			(reg >> RG_AUDHPLGAIN_SFT) & RG_AUDHPLGAIN_MASK;
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] =
+			(reg >> RG_AUDHPRGAIN_SFT) & RG_AUDHPRGAIN_MASK;
+		break;
+	case MT6359_ZCD_CON1:
+		regmap_read(priv->regmap, MT6359_ZCD_CON1, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] =
+			(reg >> RG_AUDLOLGAIN_SFT) & RG_AUDLOLGAIN_MASK;
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] =
+			(reg >> RG_AUDLORGAIN_SFT) & RG_AUDLORGAIN_MASK;
+		break;
+	case MT6359_ZCD_CON3:
+		regmap_read(priv->regmap, MT6359_ZCD_CON3, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL] =
+			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
+		break;
+	case MT6359_AUDENC_ANA_CON0:
+		regmap_read(priv->regmap, MT6359_AUDENC_ANA_CON0, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1] =
+			(reg >> RG_AUDPREAMPLGAIN_SFT) & RG_AUDPREAMPLGAIN_MASK;
+		break;
+	case MT6359_AUDENC_ANA_CON1:
+		regmap_read(priv->regmap, MT6359_AUDENC_ANA_CON1, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2] =
+			(reg >> RG_AUDPREAMPRGAIN_SFT) & RG_AUDPREAMPRGAIN_MASK;
+		break;
+	case MT6359_AUDENC_ANA_CON2:
+		regmap_read(priv->regmap, MT6359_AUDENC_ANA_CON2, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP3] =
+			(reg >> RG_AUDPREAMP3GAIN_SFT) & RG_AUDPREAMP3GAIN_MASK;
+		break;
+	}
+
+	dev_dbg(priv->dev, "%s(), name %s, reg(0x%x) = 0x%x, set index = %x\n",
+		__func__, kcontrol->id.name, mc->reg, reg, index);
+
+	return ret;
+}
+
+/* MUX */
+
+/* LOL MUX */
+static const char * const lo_in_mux_map[] = {
+	"Open", "Playback_L_DAC", "Playback", "Test Mode"
+};
+
+static SOC_ENUM_SINGLE_DECL(lo_in_mux_map_enum, SND_SOC_NOPM, 0, lo_in_mux_map);
+
+static const struct snd_kcontrol_new lo_in_mux_control =
+	SOC_DAPM_ENUM("LO Select", lo_in_mux_map_enum);
+
+/*HP MUX */
+static const char * const hp_in_mux_map[] = {
+	"Open",
+	"LoudSPK Playback",
+	"Audio Playback",
+	"Test Mode",
+	"HP Impedance",
+};
+
+static SOC_ENUM_SINGLE_DECL(hp_in_mux_map_enum,
+				  SND_SOC_NOPM,
+				  0,
+				  hp_in_mux_map);
+
+static const struct snd_kcontrol_new hp_in_mux_control =
+	SOC_DAPM_ENUM("HP Select", hp_in_mux_map_enum);
+
+/* RCV MUX */
+static const char * const rcv_in_mux_map[] = {
+	"Open", "Mute", "Voice Playback", "Test Mode"
+};
+
+static SOC_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
+				  SND_SOC_NOPM,
+				  0,
+				  rcv_in_mux_map);
+
+static const struct snd_kcontrol_new rcv_in_mux_control =
+	SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
+
+/* DAC In MUX */
+static const char * const dac_in_mux_map[] = {
+	"Normal Path", "Sgen"
+};
+
+static int dac_in_mux_map_value[] = {
+	0x0, 0x1,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
+				  MT6359_AFE_TOP_CON0,
+				  DL_SINE_ON_SFT,
+				  DL_SINE_ON_MASK,
+				  dac_in_mux_map,
+				  dac_in_mux_map_value);
+
+static const struct snd_kcontrol_new dac_in_mux_control =
+	SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
+
+/* AIF Out MUX */
+static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
+				  MT6359_AFE_TOP_CON0,
+				  UL_SINE_ON_SFT,
+				  UL_SINE_ON_MASK,
+				  dac_in_mux_map,
+				  dac_in_mux_map_value);
+
+static const struct snd_kcontrol_new aif_out_mux_control =
+	SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(aif2_out_mux_map_enum,
+				  MT6359_AFE_TOP_CON0,
+				  ADDA6_UL_SINE_ON_SFT,
+				  ADDA6_UL_SINE_ON_MASK,
+				  dac_in_mux_map,
+				  dac_in_mux_map_value);
+
+static const struct snd_kcontrol_new aif2_out_mux_control =
+	SOC_DAPM_ENUM("AIF Out Select", aif2_out_mux_map_enum);
+
+static const char * const ul_src_mux_map[] = {
+	"AMIC",
+	"DMIC",
+};
+
+static int ul_src_mux_map_value[] = {
+	UL_SRC_MUX_AMIC,
+	UL_SRC_MUX_DMIC,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(ul_src_mux_map_enum,
+				  MT6359_AFE_UL_SRC_CON0_L,
+				  UL_SDM_3_LEVEL_CTL_SFT,
+				  UL_SDM_3_LEVEL_CTL_MASK,
+				  ul_src_mux_map,
+				  ul_src_mux_map_value);
+
+static const struct snd_kcontrol_new ul_src_mux_control =
+	SOC_DAPM_ENUM("UL_SRC_MUX Select", ul_src_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(ul2_src_mux_map_enum,
+				  MT6359_AFE_ADDA6_UL_SRC_CON0_L,
+				  ADDA6_UL_SDM_3_LEVEL_CTL_SFT,
+				  ADDA6_UL_SDM_3_LEVEL_CTL_MASK,
+				  ul_src_mux_map,
+				  ul_src_mux_map_value);
+
+static const struct snd_kcontrol_new ul2_src_mux_control =
+	SOC_DAPM_ENUM("UL_SRC_MUX Select", ul2_src_mux_map_enum);
+
+static const char * const miso_mux_map[] = {
+	"UL1_CH1",
+	"UL1_CH2",
+	"UL2_CH1",
+	"UL2_CH2",
+};
+
+static int miso_mux_map_value[] = {
+	MISO_MUX_UL1_CH1,
+	MISO_MUX_UL1_CH2,
+	MISO_MUX_UL2_CH1,
+	MISO_MUX_UL2_CH2,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(miso0_mux_map_enum,
+				  MT6359_AFE_MTKAIF_MUX_CFG,
+				  RG_ADDA_CH1_SEL_SFT,
+				  RG_ADDA_CH1_SEL_MASK,
+				  miso_mux_map,
+				  miso_mux_map_value);
+
+static const struct snd_kcontrol_new miso0_mux_control =
+	SOC_DAPM_ENUM("MISO_MUX Select", miso0_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(miso1_mux_map_enum,
+				  MT6359_AFE_MTKAIF_MUX_CFG,
+				  RG_ADDA_CH2_SEL_SFT,
+				  RG_ADDA_CH2_SEL_MASK,
+				  miso_mux_map,
+				  miso_mux_map_value);
+
+static const struct snd_kcontrol_new miso1_mux_control =
+	SOC_DAPM_ENUM("MISO_MUX Select", miso1_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(miso2_mux_map_enum,
+				  MT6359_AFE_MTKAIF_MUX_CFG,
+				  RG_ADDA6_CH1_SEL_SFT,
+				  RG_ADDA6_CH1_SEL_MASK,
+				  miso_mux_map,
+				  miso_mux_map_value);
+
+static const struct snd_kcontrol_new miso2_mux_control =
+	SOC_DAPM_ENUM("MISO_MUX Select", miso2_mux_map_enum);
+
+static const char * const dmic_mux_map[] = {
+	"DMIC_DATA0",
+	"DMIC_DATA1_L",
+	"DMIC_DATA1_L_1",
+	"DMIC_DATA1_R",
+};
+
+static int dmic_mux_map_value[] = {
+	DMIC_MUX_DMIC_DATA0,
+	DMIC_MUX_DMIC_DATA1_L,
+	DMIC_MUX_DMIC_DATA1_L_1,
+	DMIC_MUX_DMIC_DATA1_R,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(dmic0_mux_map_enum,
+				  MT6359_AFE_MIC_ARRAY_CFG,
+				  RG_DMIC_ADC1_SOURCE_SEL_SFT,
+				  RG_DMIC_ADC1_SOURCE_SEL_MASK,
+				  dmic_mux_map,
+				  dmic_mux_map_value);
+
+static const struct snd_kcontrol_new dmic0_mux_control =
+	SOC_DAPM_ENUM("DMIC_MUX Select", dmic0_mux_map_enum);
+
+/* ul1 ch2 use RG_DMIC_ADC3_SOURCE_SEL */
+static SOC_VALUE_ENUM_SINGLE_DECL(dmic1_mux_map_enum,
+				  MT6359_AFE_MIC_ARRAY_CFG,
+				  RG_DMIC_ADC3_SOURCE_SEL_SFT,
+				  RG_DMIC_ADC3_SOURCE_SEL_MASK,
+				  dmic_mux_map,
+				  dmic_mux_map_value);
+
+static const struct snd_kcontrol_new dmic1_mux_control =
+	SOC_DAPM_ENUM("DMIC_MUX Select", dmic1_mux_map_enum);
+
+/* ul2 ch1 use RG_DMIC_ADC2_SOURCE_SEL */
+static SOC_VALUE_ENUM_SINGLE_DECL(dmic2_mux_map_enum,
+				  MT6359_AFE_MIC_ARRAY_CFG,
+				  RG_DMIC_ADC2_SOURCE_SEL_SFT,
+				  RG_DMIC_ADC2_SOURCE_SEL_MASK,
+				  dmic_mux_map,
+				  dmic_mux_map_value);
+
+static const struct snd_kcontrol_new dmic2_mux_control =
+	SOC_DAPM_ENUM("DMIC_MUX Select", dmic2_mux_map_enum);
+
+/* ADC L MUX */
+static const char * const adc_left_mux_map[] = {
+	"Idle", "AIN0", "Left Preamplifier", "Idle_1"
+};
+
+static int adc_mux_map_value[] = {
+	ADC_MUX_IDLE,
+	ADC_MUX_AIN0,
+	ADC_MUX_PREAMPLIFIER,
+	ADC_MUX_IDLE1,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON0,
+				  RG_AUDADCLINPUTSEL_SFT,
+				  RG_AUDADCLINPUTSEL_MASK,
+				  adc_left_mux_map,
+				  adc_mux_map_value);
+
+static const struct snd_kcontrol_new adc_left_mux_control =
+	SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
+
+/* ADC R MUX */
+static const char * const adc_right_mux_map[] = {
+	"Idle", "AIN0", "Right Preamplifier", "Idle_1"
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON1,
+				  RG_AUDADCRINPUTSEL_SFT,
+				  RG_AUDADCRINPUTSEL_MASK,
+				  adc_right_mux_map,
+				  adc_mux_map_value);
+
+static const struct snd_kcontrol_new adc_right_mux_control =
+	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
+
+/* ADC 3 MUX */
+static const char * const adc_3_mux_map[] = {
+	"Idle", "AIN0", "Preamplifier", "Idle_1"
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(adc_3_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON2,
+				  RG_AUDADC3INPUTSEL_SFT,
+				  RG_AUDADC3INPUTSEL_MASK,
+				  adc_3_mux_map,
+				  adc_mux_map_value);
+
+static const struct snd_kcontrol_new adc_3_mux_control =
+	SOC_DAPM_ENUM("ADC 3 Select", adc_3_mux_map_enum);
+
+static const char * const pga_l_mux_map[] = {
+	"None", "AIN0", "AIN1"
+};
+
+static int pga_l_mux_map_value[] = {
+	PGA_L_MUX_NONE,
+	PGA_L_MUX_AIN0,
+	PGA_L_MUX_AIN1
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON0,
+				  RG_AUDPREAMPLINPUTSEL_SFT,
+				  RG_AUDPREAMPLINPUTSEL_MASK,
+				  pga_l_mux_map,
+				  pga_l_mux_map_value);
+
+static const struct snd_kcontrol_new pga_left_mux_control =
+	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
+
+static const char * const pga_r_mux_map[] = {
+	"None", "AIN2", "AIN3", "AIN0"
+};
+
+static int pga_r_mux_map_value[] = {
+	PGA_R_MUX_NONE,
+	PGA_R_MUX_AIN2,
+	PGA_R_MUX_AIN3,
+	PGA_R_MUX_AIN0
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON1,
+				  RG_AUDPREAMPRINPUTSEL_SFT,
+				  RG_AUDPREAMPRINPUTSEL_MASK,
+				  pga_r_mux_map,
+				  pga_r_mux_map_value);
+
+static const struct snd_kcontrol_new pga_right_mux_control =
+	SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
+
+static const char * const pga_3_mux_map[] = {
+	"None", "AIN3", "AIN2"
+};
+
+static int pga_3_mux_map_value[] = {
+	PGA_3_MUX_NONE,
+	PGA_3_MUX_AIN3,
+	PGA_3_MUX_AIN2
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(pga_3_mux_map_enum,
+				  MT6359_AUDENC_ANA_CON2,
+				  RG_AUDPREAMP3INPUTSEL_SFT,
+				  RG_AUDPREAMP3INPUTSEL_MASK,
+				  pga_3_mux_map,
+				  pga_3_mux_map_value);
+
+static const struct snd_kcontrol_new pga_3_mux_control =
+	SOC_DAPM_ENUM("PGA 3 Select", pga_3_mux_map_enum);
+
+static int mt_sgen_event(struct snd_soc_dapm_widget *w,
+			 struct snd_kcontrol *kcontrol,
+			 int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* sdm audio fifo clock power on */
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON2, 0x0006);
+		/* scrambler clock on enable */
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON0, 0xcba1);
+		/* sdm power on */
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON2, 0x0003);
+		/* sdm fifo enable */
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON2, 0x000b);
+
+		regmap_update_bits(priv->regmap, MT6359_AFE_SGEN_CFG0,
+				   0xff3f,
+				   0x0000);
+		regmap_update_bits(priv->regmap, MT6359_AFE_SGEN_CFG1,
+				   0xffff,
+				   0x0001);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		/* DL scrambler disabling sequence */
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON2, 0x0000);
+		regmap_write(priv->regmap, MT6359_AFUNC_AUD_CON0, 0xcba0);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static void mtk_hp_enable(struct mt6359_priv *priv)
+{
+	if (priv->hp_hifi_mode) {
+		/* Set HP DR bias current optimization, 010: 6uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON11,
+				   DRBIAS_HP_MASK_SFT,
+				   DRBIAS_6UA << DRBIAS_HP_SFT);
+		/* Set HP & ZCD bias current optimization */
+		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_ZCD_MASK_SFT,
+				   IBIAS_ZCD_4UA << IBIAS_ZCD_SFT);
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_HP_MASK_SFT,
+				   IBIAS_5UA << IBIAS_HP_SFT);
+	} else {
+		/* Set HP DR bias current optimization, 001: 5uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON11,
+				   DRBIAS_HP_MASK_SFT,
+				   DRBIAS_5UA << DRBIAS_HP_SFT);
+		/* Set HP & ZCD bias current optimization */
+		/* 00: ZCD: 3uA, HP/HS/LO: 4uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_ZCD_MASK_SFT,
+				   IBIAS_ZCD_3UA << IBIAS_ZCD_SFT);
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_HP_MASK_SFT,
+				   IBIAS_4UA << IBIAS_HP_SFT);
+	}
+
+	/* HP damp circuit enable */
+	/* Enable HPRN/HPLN output 4K to VCM */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON10, 0x0087);
+
+	/* HP Feedback Cap select 2'b00: 15pF */
+	/* for >= 96KHz sampling rate: 2'b01: 10.5pF */
+	if (priv->dl_rate[MT6359_AIF_1] >= 96000)
+		regmap_update_bits(priv->regmap,
+				   MT6359_AUDDEC_ANA_CON4,
+				   RG_AUDHPHFCOMPBUFGAINSEL_VAUDP32_MASK_SFT,
+				   0x1 << RG_AUDHPHFCOMPBUFGAINSEL_VAUDP32_SFT);
+	else
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON4, 0x0000);
+
+	/* Set HPP/N STB enhance circuits */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON2, 0xf133);
+
+	/* Enable HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x000c);
+	/* Enable HP aux feedback loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x003c);
+	/* Enable HP aux CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0c00);
+	/* Enable HP driver bias circuits */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x30c0);
+	/* Enable HP driver core circuits */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x30f0);
+	/* Short HP main output to HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x00fc);
+
+	/* Increase HP input pair current to HPM step by step */
+	hp_in_pair_current(priv, true);
+
+	/* Enable HP main CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0e00);
+	/* Disable HP aux CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0200);
+
+	/* Enable HP main output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x00ff);
+	/* Enable HPR/L main output stage step by step */
+	hp_main_output_ramp(priv, true);
+
+	/* Reduce HP aux feedback loop gain */
+	hp_aux_feedback_loop_gain_ramp(priv, true);
+	/* Disable HP aux feedback loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x77cf);
+
+	/* apply volume setting */
+	headset_volume_ramp(priv,
+			    DL_GAIN_N_22DB,
+			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
+
+	/* Disable HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x77c3);
+	/* Unshort HP main output to HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x7703);
+	usleep_range(100, 120);
+
+	/* Enable AUD_CLK */
+	mt6359_set_decoder_clk(priv, true);
+
+	/* Enable Audio DAC  */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x30ff);
+	if (priv->hp_hifi_mode) {
+		/* Enable low-noise mode of DAC */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0xf201);
+	} else {
+		/* Disable low-noise mode of DAC */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0xf200);
+	}
+	usleep_range(100, 120);
+
+	/* Switch HPL MUX to audio DAC */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x32ff);
+	/* Switch HPR MUX to audio DAC */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x3aff);
+
+	/* Disable Pull-down HPL/R to AVSS28_AUD */
+	hp_pull_down(priv, false);
+}
+
+static void mtk_hp_disable(struct mt6359_priv *priv)
+{
+	/* Pull-down HPL/R to AVSS28_AUD */
+	hp_pull_down(priv, true);
+
+	/* HPR/HPL mux to open */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+			   0x0f00, 0x0000);
+
+	/* Disable low-noise mode of DAC */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON9,
+			   0x0001, 0x0000);
+
+	/* Disable Audio DAC */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+			   0x000f, 0x0000);
+
+	/* Disable AUD_CLK */
+	mt6359_set_decoder_clk(priv, false);
+
+	/* Short HP main output to HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x77c3);
+	/* Enable HP aux output stage */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x77cf);
+
+	/* decrease HPL/R gain to normal gain step by step */
+	headset_volume_ramp(priv,
+			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
+			    DL_GAIN_N_22DB);
+
+	/* Enable HP aux feedback loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x77ff);
+
+	/* Reduce HP aux feedback loop gain */
+	hp_aux_feedback_loop_gain_ramp(priv, false);
+
+	/* decrease HPR/L main output stage step by step */
+	hp_main_output_ramp(priv, false);
+
+	/* Disable HP main output stage */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1, 0x3, 0x0);
+
+	/* Enable HP aux CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0e01);
+
+	/* Disable HP main CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0c01);
+
+	/* Decrease HP input pair current to 2'b00 step by step */
+	hp_in_pair_current(priv, false);
+
+	/* Unshort HP main output to HP aux output stage */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1,
+			   0x3 << 6, 0x0);
+
+	/* Disable HP driver core circuits */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+			   0x3 << 4, 0x0);
+
+	/* Disable HP driver bias circuits */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+			   0x3 << 6, 0x0);
+
+	/* Disable HP aux CMFB loop */
+	regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x201);
+
+	/* Disable HP aux feedback loop */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1,
+			   0x3 << 4, 0x0);
+
+	/* Disable HP aux output stage */
+	regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON1,
+			   0x3 << 2, 0x0);
+}
+
+static int mt_hp_event(struct snd_soc_dapm_widget *w,
+		       struct snd_kcontrol *kcontrol,
+		       int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
+	int device = DEVICE_HP;
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, dev_counter[DEV_HP] %d, mux %u\n",
+		__func__, event, priv->dev_counter[device], mux);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		priv->dev_counter[device]++;
+		if (mux == HP_MUX_HP)
+			mtk_hp_enable(priv);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		priv->dev_counter[device]--;
+		if (mux == HP_MUX_HP)
+			mtk_hp_disable(priv);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_rcv_event(struct snd_soc_dapm_widget *w,
+			struct snd_kcontrol *kcontrol,
+			int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n",
+		__func__, event, dapm_kcontrol_get_value(w->kcontrols[0]));
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Disable handset short-circuit protection */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON6, 0x0010);
+
+		/* Set RCV DR bias current optimization, 010: 6uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON11,
+				   DRBIAS_HS_MASK_SFT,
+				   DRBIAS_6UA << DRBIAS_HS_SFT);
+		/* Set RCV & ZCD bias current optimization */
+		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_ZCD_MASK_SFT,
+				   IBIAS_ZCD_4UA << IBIAS_ZCD_SFT);
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_HS_MASK_SFT,
+				   IBIAS_5UA << IBIAS_HS_SFT);
+
+		/* Set HS STB enhance circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON6, 0x0090);
+
+		/* Set HS output stage (3'b111 = 8x) */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON10, 0x7000);
+
+		/* Enable HS driver bias circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON6, 0x0092);
+		/* Enable HS driver core circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON6, 0x0093);
+
+		/* Set HS gain to normal gain step by step */
+		regmap_write(priv->regmap, MT6359_ZCD_CON3,
+			     priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL]);
+
+		/* Enable AUD_CLK */
+		mt6359_set_decoder_clk(priv, true);
+
+		/* Enable Audio DAC  */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON0, 0x0009);
+		/* Enable low-noise mode of DAC */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON9, 0x0001);
+		/* Switch HS MUX to audio DAC */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON6, 0x009b);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		/* HS mux to open */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON6,
+				   RG_AUDHSMUXINPUTSEL_VAUDP32_MASK_SFT,
+				   RCV_MUX_OPEN);
+
+		/* Disable Audio DAC */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+				   0x000f, 0x0000);
+
+		/* Disable AUD_CLK */
+		mt6359_set_decoder_clk(priv, false);
+
+		/* decrease HS gain to minimum gain step by step */
+		regmap_write(priv->regmap, MT6359_ZCD_CON3, DL_GAIN_N_40DB);
+
+		/* Disable HS driver core circuits */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON6,
+				   RG_AUDHSPWRUP_VAUDP32_MASK_SFT, 0x0);
+
+		/* Disable HS driver bias circuits */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON6,
+				   RG_AUDHSPWRUP_IBIAS_VAUDP32_MASK_SFT, 0x0);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_lo_event(struct snd_soc_dapm_widget *w,
+		       struct snd_kcontrol *kcontrol,
+		       int event)
+{
+	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+	struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n",
+		__func__, event, dapm_kcontrol_get_value(w->kcontrols[0]));
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Disable handset short-circuit protection */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x0010);
+
+		/* Set LO DR bias current optimization, 010: 6uA */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON11,
+				   DRBIAS_LO_MASK_SFT,
+				   DRBIAS_6UA << DRBIAS_LO_SFT);
+		/* Set LO & ZCD bias current optimization */
+		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
+		if (priv->dev_counter[DEVICE_HP] == 0)
+			regmap_update_bits(priv->regmap,
+					   MT6359_AUDDEC_ANA_CON12,
+					   IBIAS_ZCD_MASK_SFT,
+					   IBIAS_ZCD_4UA << IBIAS_ZCD_SFT);
+
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON12,
+				   IBIAS_LO_MASK_SFT,
+				   IBIAS_5UA << IBIAS_LO_SFT);
+
+		/* Set LO STB enhance circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x0110);
+
+		/* Enable LO driver bias circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x0112);
+		/* Enable LO driver core circuits */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x0113);
+
+		/* Set LO gain to normal gain step by step */
+		regmap_write(priv->regmap, MT6359_ZCD_CON1,
+			     priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL]);
+
+		/* Enable AUD_CLK */
+		mt6359_set_decoder_clk(priv, true);
+
+		/* Enable Audio DAC (3rd DAC) */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x3113);
+		/* Enable low-noise mode of DAC */
+		if (priv->dev_counter[DEVICE_HP] == 0)
+			regmap_write(priv->regmap,
+				     MT6359_AUDDEC_ANA_CON9, 0x0001);
+		/* Switch LOL MUX to audio 3rd DAC */
+		regmap_write(priv->regmap, MT6359_AUDDEC_ANA_CON7, 0x311b);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		/* Switch LOL MUX to open */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON7,
+				   RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK_SFT,
+				   LO_MUX_OPEN);
+
+		/* Disable Audio DAC */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON0,
+				   0x000f, 0x0000);
+
+		/* Disable AUD_CLK */
+		mt6359_set_decoder_clk(priv, false);
+
+		/* decrease LO gain to minimum gain step by step */
+		regmap_write(priv->regmap, MT6359_ZCD_CON1, DL_GAIN_N_40DB);
+
+		/* Disable LO driver core circuits */
+		regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON7,
+				   RG_AUDLOLPWRUP_VAUDP32_MASK_SFT, 0x0);
+
+		/* Disable LO driver bias circuits */
+