diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 9548f63ca531..b05c37944cf9 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -106,6 +106,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_MAX9877 if I2C
 	select SND_SOC_MC13783 if MFD_MC13XXX
 	select SND_SOC_ML26124 if I2C
+	select SND_SOC_MT6351 if MTK_PMIC_WRAP
 	select SND_SOC_NAU8540 if I2C
 	select SND_SOC_NAU8810 if I2C
 	select SND_SOC_NAU8824 if I2C
@@ -1247,6 +1248,9 @@ config SND_SOC_MC13783
 config SND_SOC_ML26124
 	tristate
 
+config SND_SOC_MT6351
+	tristate "MediaTek MT6351 Codec"
+
 config SND_SOC_NAU8540
        tristate "Nuvoton Technology Corporation NAU85L40 CODEC"
        depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index e849d1495308..d3d7a4cee57b 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -102,6 +102,7 @@ snd-soc-mc13783-objs := mc13783.o
 snd-soc-ml26124-objs := ml26124.o
 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-nau8540-objs := nau8540.o
 snd-soc-nau8810-objs := nau8810.o
 snd-soc-nau8824-objs := nau8824.o
@@ -355,6 +356,7 @@ obj-$(CONFIG_SND_SOC_MC13783)	+= snd-soc-mc13783.o
 obj-$(CONFIG_SND_SOC_ML26124)	+= snd-soc-ml26124.o
 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_NAU8540)   += snd-soc-nau8540.o
 obj-$(CONFIG_SND_SOC_NAU8810)   += snd-soc-nau8810.o
 obj-$(CONFIG_SND_SOC_NAU8824)   += snd-soc-nau8824.o
diff --git a/sound/soc/codecs/mt6351.c b/sound/soc/codecs/mt6351.c
new file mode 100644
index 000000000000..06fd4706ae20
--- /dev/null
+++ b/sound/soc/codecs/mt6351.c
@@ -0,0 +1,1506 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mt6351.c  --  mt6351 ALSA SoC audio codec driver
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/delay.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+
+#include "mt6351.h"
+
+/* MT6351_TOP_CLKSQ */
+#define RG_CLKSQ_EN_AUD_BIT (0)
+
+/* MT6351_TOP_CKPDN_CON0 */
+#define RG_AUDNCP_CK_PDN_BIT (12)
+#define RG_AUDIF_CK_PDN_BIT (13)
+#define RG_AUD_CK_PDN_BIT (14)
+#define RG_ZCD13M_CK_PDN_BIT (15)
+
+/* MT6351_AUDDEC_ANA_CON0 */
+#define RG_AUDDACLPWRUP_VAUDP32_BIT (0)
+#define RG_AUDDACRPWRUP_VAUDP32_BIT (1)
+#define RG_AUD_DAC_PWR_UP_VA32_BIT (2)
+#define RG_AUD_DAC_PWL_UP_VA32_BIT (3)
+
+#define RG_AUDHSPWRUP_VAUDP32_BIT (4)
+
+#define RG_AUDHPLPWRUP_VAUDP32_BIT (5)
+#define RG_AUDHPRPWRUP_VAUDP32_BIT (6)
+
+#define RG_AUDHSMUXINPUTSEL_VAUDP32_SFT (7)
+#define RG_AUDHSMUXINPUTSEL_VAUDP32_MASK (0x3)
+
+#define RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT (9)
+#define RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK (0x3)
+
+#define RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT (11)
+#define RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK (0x3)
+
+#define RG_AUDHSSCDISABLE_VAUDP32 (13)
+#define RG_AUDHPLSCDISABLE_VAUDP32_BIT (14)
+#define RG_AUDHPRSCDISABLE_VAUDP32_BIT (15)
+
+/* MT6351_AUDDEC_ANA_CON1 */
+#define RG_HSOUTPUTSTBENH_VAUDP32_BIT (8)
+
+/* MT6351_AUDDEC_ANA_CON3 */
+#define RG_AUDLOLPWRUP_VAUDP32_BIT (2)
+
+#define RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT (3)
+#define RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK (0x3)
+
+#define RG_AUDLOLSCDISABLE_VAUDP32_BIT (5)
+#define RG_LOOUTPUTSTBENH_VAUDP32_BIT (9)
+
+/* MT6351_AUDDEC_ANA_CON6 */
+#define RG_ABIDEC_RSVD0_VAUDP32_HPL_BIT (8)
+#define RG_ABIDEC_RSVD0_VAUDP32_HPR_BIT (9)
+#define RG_ABIDEC_RSVD0_VAUDP32_HS_BIT (10)
+#define RG_ABIDEC_RSVD0_VAUDP32_LOL_BIT (11)
+
+/* MT6351_AUDDEC_ANA_CON9 */
+#define RG_AUDIBIASPWRDN_VAUDP32_BIT (8)
+#define RG_RSTB_DECODER_VA32_BIT (9)
+#define RG_AUDGLB_PWRDN_VA32_BIT (12)
+
+#define RG_LCLDO_DEC_EN_VA32_BIT (13)
+#define RG_LCLDO_DEC_REMOTE_SENSE_VA18_BIT (15)
+/* MT6351_AUDDEC_ANA_CON10 */
+#define RG_NVREG_EN_VAUDP32_BIT (8)
+
+#define RG_AUDGLB_LP2_VOW_EN_VA32 10
+
+/* MT6351_AFE_UL_DL_CON0 */
+#define RG_AFE_ON_BIT (0)
+
+/* MT6351_AFE_DL_SRC2_CON0_L */
+#define RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT (0)
+
+/* MT6351_AFE_UL_SRC_CON0_L */
+#define UL_SRC_ON_TMP_CTL (0)
+
+/* MT6351_AFE_TOP_CON0 */
+#define RG_DL_SINE_ON_SFT (0)
+#define RG_DL_SINE_ON_MASK (0x1)
+
+#define RG_UL_SINE_ON_SFT (1)
+#define RG_UL_SINE_ON_MASK (0x1)
+
+/* MT6351_AUDIO_TOP_CON0 */
+#define AUD_TOP_PDN_RESERVED_BIT 0
+#define AUD_TOP_PWR_CLK_DIS_CTL_BIT 2
+#define AUD_TOP_PDN_ADC_CTL_BIT 5
+#define AUD_TOP_PDN_DAC_CTL_BIT 6
+#define AUD_TOP_PDN_AFE_CTL_BIT 7
+
+/* MT6351_AFE_SGEN_CFG0 */
+#define SGEN_C_MUTE_SW_CTL_BIT 6
+#define SGEN_C_DAC_EN_CTL_BIT 7
+
+/* MT6351_AFE_NCP_CFG0 */
+#define RG_NCP_ON_BIT 0
+
+/* MT6351_LDO_VUSB33_CON0 */
+#define RG_VUSB33_EN 1
+#define RG_VUSB33_ON_CTRL 3
+
+/* MT6351_LDO_VA18_CON0 */
+#define RG_VA18_EN 1
+#define RG_VA18_ON_CTRL 3
+
+/* MT6351_AUDENC_ANA_CON0 */
+#define RG_AUDPREAMPLON 0
+#define RG_AUDPREAMPLDCCEN 1
+#define RG_AUDPREAMPLDCPRECHARGE 2
+
+#define RG_AUDPREAMPLINPUTSEL_SFT (4)
+#define RG_AUDPREAMPLINPUTSEL_MASK (0x3)
+
+#define RG_AUDADCLPWRUP 12
+
+#define RG_AUDADCLINPUTSEL_SFT (13)
+#define RG_AUDADCLINPUTSEL_MASK (0x3)
+
+/* MT6351_AUDENC_ANA_CON1 */
+#define RG_AUDPREAMPRON 0
+#define RG_AUDPREAMPRDCCEN 1
+#define RG_AUDPREAMPRDCPRECHARGE 2
+
+#define RG_AUDPREAMPRINPUTSEL_SFT (4)
+#define RG_AUDPREAMPRINPUTSEL_MASK (0x3)
+
+#define RG_AUDADCRPWRUP 12
+
+#define RG_AUDADCRINPUTSEL_SFT (13)
+#define RG_AUDADCRINPUTSEL_MASK (0x3)
+
+/* MT6351_AUDENC_ANA_CON3 */
+#define RG_AUDADCCLKRSTB 6
+
+/* MT6351_AUDENC_ANA_CON9 */
+#define RG_AUDPWDBMICBIAS0 0
+#define RG_AUDMICBIAS0VREF 4
+#define RG_AUDMICBIAS0LOWPEN 7
+
+#define RG_AUDPWDBMICBIAS2 8
+#define RG_AUDMICBIAS2VREF 12
+#define RG_AUDMICBIAS2LOWPEN 15
+
+/* MT6351_AUDENC_ANA_CON10 */
+#define RG_AUDPWDBMICBIAS1 0
+#define RG_AUDMICBIAS1DCSW1NEN 2
+#define RG_AUDMICBIAS1VREF 4
+#define RG_AUDMICBIAS1LOWPEN 7
+
+enum {
+	AUDIO_ANALOG_VOLUME_HSOUTL,
+	AUDIO_ANALOG_VOLUME_HSOUTR,
+	AUDIO_ANALOG_VOLUME_HPOUTL,
+	AUDIO_ANALOG_VOLUME_HPOUTR,
+	AUDIO_ANALOG_VOLUME_LINEOUTL,
+	AUDIO_ANALOG_VOLUME_LINEOUTR,
+	AUDIO_ANALOG_VOLUME_MICAMP1,
+	AUDIO_ANALOG_VOLUME_MICAMP2,
+	AUDIO_ANALOG_VOLUME_TYPE_MAX
+};
+
+/* Supply subseq */
+enum {
+	SUPPLY_SUBSEQ_SETTING,
+	SUPPLY_SUBSEQ_ENABLE,
+	SUPPLY_SUBSEQ_MICBIAS,
+};
+
+#define REG_STRIDE 2
+
+struct mt6351_priv {
+	struct device *dev;
+	struct regmap *regmap;
+
+	unsigned int dl_rate;
+	unsigned int ul_rate;
+
+	int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
+
+	int hp_en_counter;
+};
+
+static void set_hp_gain_zero(struct snd_soc_component *cmpnt)
+{
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
+			   0x1f << 7, 0x8 << 7);
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
+			   0x1f << 0, 0x8 << 0);
+}
+
+static unsigned int get_cap_reg_val(struct snd_soc_component *cmpnt,
+				    unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return 0;
+	case 16000:
+		return 1;
+	case 32000:
+		return 2;
+	case 48000:
+		return 3;
+	case 96000:
+		return 4;
+	case 192000:
+		return 5;
+	default:
+		dev_warn(cmpnt->dev, "%s(), error rate %d, return 3",
+			 __func__, rate);
+		return 3;
+	}
+}
+
+static unsigned int get_play_reg_val(struct snd_soc_component *cmpnt,
+				     unsigned int rate)
+{
+	switch (rate) {
+	case 8000:
+		return 0;
+	case 11025:
+		return 1;
+	case 12000:
+		return 2;
+	case 16000:
+		return 3;
+	case 22050:
+		return 4;
+	case 24000:
+		return 5;
+	case 32000:
+		return 6;
+	case 44100:
+		return 7;
+	case 48000:
+	case 96000:
+	case 192000:
+		return 8;
+	default:
+		dev_warn(cmpnt->dev, "%s(), error rate %d, return 8",
+			 __func__, rate);
+		return 8;
+	}
+}
+
+static int mt6351_codec_dai_hw_params(struct snd_pcm_substream *substream,
+				      struct snd_pcm_hw_params *params,
+				      struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *cmpnt = dai->component;
+	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+	unsigned int rate = params_rate(params);
+
+	dev_dbg(priv->dev, "%s(), substream->stream %d, rate %d\n",
+		__func__, substream->stream, rate);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		priv->dl_rate = rate;
+	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+		priv->ul_rate = rate;
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops mt6351_codec_dai_ops = {
+	.hw_params = mt6351_codec_dai_hw_params,
+};
+
+#define MT6351_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\
+			SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |\
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
+			SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE |\
+			SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
+			SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE)
+
+static struct snd_soc_dai_driver mt6351_dai_driver[] = {
+	{
+		.name = "mt6351-snd-codec-aif1",
+		.playback = {
+			.stream_name = "AIF1 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000 |
+				 SNDRV_PCM_RATE_96000 |
+				 SNDRV_PCM_RATE_192000,
+			.formats = MT6351_FORMATS,
+		},
+		.capture = {
+			.stream_name = "AIF1 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000 |
+				 SNDRV_PCM_RATE_16000 |
+				 SNDRV_PCM_RATE_32000 |
+				 SNDRV_PCM_RATE_48000 |
+				 SNDRV_PCM_RATE_96000 |
+				 SNDRV_PCM_RATE_192000,
+			.formats = MT6351_FORMATS,
+		},
+		.ops = &mt6351_codec_dai_ops,
+	},
+};
+
+enum {
+	HP_GAIN_SET_ZERO,
+	HP_GAIN_RESTORE,
+};
+
+static void hp_gain_ramp_set(struct snd_soc_component *cmpnt, int hp_gain_ctl)
+{
+	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+	int idx, old_idx, offset, reg_idx;
+
+	if (hp_gain_ctl == HP_GAIN_SET_ZERO) {
+		idx = 8;	/* 0dB */
+		old_idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
+	} else {
+		idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
+		old_idx = 8;	/* 0dB */
+	}
+	dev_dbg(priv->dev, "%s(), idx %d, old_idx %d\n",
+		__func__, idx, old_idx);
+
+	if (idx > old_idx)
+		offset = idx - old_idx;
+	else
+		offset = old_idx - idx;
+
+	reg_idx = old_idx;
+
+	while (offset > 0) {
+		reg_idx = idx > old_idx ? reg_idx + 1 : reg_idx - 1;
+
+		/* check valid range, and set value */
+		if ((reg_idx >= 0 && reg_idx <= 0x12) || reg_idx == 0x1f) {
+			regmap_update_bits(cmpnt->regmap,
+					   MT6351_ZCD_CON2,
+					   0xf9f,
+					   (reg_idx << 7) | reg_idx);
+			usleep_range(100, 120);
+		}
+		offset--;
+	}
+}
+
+static void hp_zcd_enable(struct snd_soc_component *cmpnt)
+{
+	/* Enable ZCD, for minimize pop noise */
+	/* when adjust gain during HP buffer on */
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 8, 0x1 << 8);
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 7, 0x0 << 7);
+
+	/* timeout, 1=5ms, 0=30ms */
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 6, 0x1 << 6);
+
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x3 << 4, 0x0 << 4);
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 1, 0x5 << 1);
+	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 0, 0x1 << 0);
+}
+
+static void hp_zcd_disable(struct snd_soc_component *cmpnt)
+{
+	regmap_write(cmpnt->regmap, MT6351_ZCD_CON0, 0x0000);
+}
+
+static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
+static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
+
+static const struct snd_kcontrol_new mt6351_snd_controls[] = {
+	/* dl pga gain */
+	SOC_DOUBLE_TLV("Headphone Volume",
+		       MT6351_ZCD_CON2, 0, 7, 0x12, 1,
+		       playback_tlv),
+	SOC_DOUBLE_TLV("Lineout Volume",
+		       MT6351_ZCD_CON1, 0, 7, 0x12, 1,
+		       playback_tlv),
+	SOC_SINGLE_TLV("Handset Volume",
+		       MT6351_ZCD_CON3, 0, 0x12, 1,
+		       playback_tlv),
+       /* ul pga gain */
+	SOC_DOUBLE_R_TLV("PGA Volume",
+			 MT6351_AUDENC_ANA_CON0, MT6351_AUDENC_ANA_CON1,
+			 8, 4, 0,
+			 pga_tlv),
+};
+
+/* MUX */
+
+/* LOL MUX */
+static const char *const lo_in_mux_map[] = {
+	"Open", "Mute", "Playback", "Test Mode",
+};
+
+static int lo_in_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
+				  MT6351_AUDDEC_ANA_CON3,
+				  RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT,
+				  RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK,
+				  lo_in_mux_map,
+				  lo_in_mux_map_value);
+
+static const struct snd_kcontrol_new lo_in_mux_control =
+	SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
+
+/*HP MUX */
+static const char *const hp_in_mux_map[] = {
+	"Open", "LoudSPK Playback", "Audio Playback", "Test Mode",
+};
+
+static int hp_in_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
+				  MT6351_AUDDEC_ANA_CON0,
+				  RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT,
+				  RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK,
+				  hp_in_mux_map,
+				  hp_in_mux_map_value);
+
+static const struct snd_kcontrol_new hpl_in_mux_control =
+	SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
+				  MT6351_AUDDEC_ANA_CON0,
+				  RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT,
+				  RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK,
+				  hp_in_mux_map,
+				  hp_in_mux_map_value);
+
+static const struct snd_kcontrol_new hpr_in_mux_control =
+	SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
+
+/* RCV MUX */
+static const char *const rcv_in_mux_map[] = {
+	"Open", "Mute", "Voice Playback", "Test Mode",
+};
+
+static int rcv_in_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
+				  MT6351_AUDDEC_ANA_CON0,
+				  RG_AUDHSMUXINPUTSEL_VAUDP32_SFT,
+				  RG_AUDHSMUXINPUTSEL_VAUDP32_MASK,
+				  rcv_in_mux_map,
+				  rcv_in_mux_map_value);
+
+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,
+				  MT6351_AFE_TOP_CON0,
+				  RG_DL_SINE_ON_SFT,
+				  RG_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,
+				  MT6351_AFE_TOP_CON0,
+				  RG_UL_SINE_ON_SFT,
+				  RG_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);
+
+/* ADC L MUX */
+static const char *const adc_left_mux_map[] = {
+	"Idle", "AIN0", "Left Preamplifier", "Idle_1",
+};
+
+static int adc_left_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
+				  MT6351_AUDENC_ANA_CON0,
+				  RG_AUDADCLINPUTSEL_SFT,
+				  RG_AUDADCLINPUTSEL_MASK,
+				  adc_left_mux_map,
+				  adc_left_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 int adc_right_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
+				  MT6351_AUDENC_ANA_CON1,
+				  RG_AUDADCRINPUTSEL_SFT,
+				  RG_AUDADCRINPUTSEL_MASK,
+				  adc_right_mux_map,
+				  adc_right_mux_map_value);
+
+static const struct snd_kcontrol_new adc_right_mux_control =
+	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
+
+/* PGA L MUX */
+static const char *const pga_left_mux_map[] = {
+	"None", "AIN0", "AIN1", "AIN2",
+};
+
+static int pga_left_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
+				  MT6351_AUDENC_ANA_CON0,
+				  RG_AUDPREAMPLINPUTSEL_SFT,
+				  RG_AUDPREAMPLINPUTSEL_MASK,
+				  pga_left_mux_map,
+				  pga_left_mux_map_value);
+
+static const struct snd_kcontrol_new pga_left_mux_control =
+	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
+
+/* PGA R MUX */
+static const char *const pga_right_mux_map[] = {
+	"None", "AIN0", "AIN3", "AIN2",
+};
+
+static int pga_right_mux_map_value[] = {
+	0x0, 0x1, 0x2, 0x3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
+				  MT6351_AUDENC_ANA_CON1,
+				  RG_AUDPREAMPRINPUTSEL_SFT,
+				  RG_AUDPREAMPRINPUTSEL_MASK,
+				  pga_right_mux_map,
+				  pga_right_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 int mt_reg_set_clr_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		if (w->on_val) {
+			/* SET REG */
+			regmap_update_bits(cmpnt->regmap,
+					   w->reg + REG_STRIDE,
+					   0x1 << w->shift,
+					   0x1 << w->shift);
+		} else {
+			/* CLR REG */
+			regmap_update_bits(cmpnt->regmap,
+					   w->reg + REG_STRIDE * 2,
+					   0x1 << w->shift,
+					   0x1 << w->shift);
+		}
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		if (w->off_val) {
+			/* SET REG */
+			regmap_update_bits(cmpnt->regmap,
+					   w->reg + REG_STRIDE,
+					   0x1 << w->shift,
+					   0x1 << w->shift);
+		} else {
+			/* CLR REG */
+			regmap_update_bits(cmpnt->regmap,
+					   w->reg + REG_STRIDE * 2,
+					   0x1 << w->shift,
+					   0x1 << w->shift);
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_ncp_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG1,
+				   0xffff, 0x1515);
+		/* NCP: ck1 and ck2 clock frequecy adjust configure */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG0,
+				   0xfffe, 0x8C00);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		usleep_range(250, 270);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG0,
+				   0xffef, 0x0008);
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG1,
+				   0xffff, 0x0101);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_aif_in_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 mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
+		__func__, event, priv->dl_rate);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* sdm audio fifo clock power on */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
+				   0xffff, 0x0006);
+		/* scrambler clock on enable */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON0,
+				   0xffff, 0xC3A1);
+		/* sdm power on */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
+				   0xffff, 0x0003);
+		/* sdm fifo enable */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
+				   0xffff, 0x000B);
+		/* set attenuation gain */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DL_SDM_CON1,
+				   0xffff, 0x001E);
+
+		regmap_write(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG0,
+			     (get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
+			     0x330);
+		regmap_write(cmpnt->regmap, MT6351_AFE_DL_SRC2_CON0_H,
+			     (get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
+			     0x300);
+
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
+				   0x8000, 0x8000);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+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 mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+	int reg;
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, hp_en_counter %d\n",
+		__func__, event, priv->hp_en_counter);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		priv->hp_en_counter++;
+		if (priv->hp_en_counter > 1)
+			break;	/* already enabled, do nothing */
+		else if (priv->hp_en_counter <= 0)
+			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
+				__func__,
+				priv->hp_en_counter);
+
+		hp_zcd_disable(cmpnt);
+
+		/* from yoyo HQA script */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
+				   0x0700, 0x0700);
+
+		/* save target gain to restore after hardware open complete */
+		regmap_read(cmpnt->regmap, MT6351_ZCD_CON2, &reg);
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] = reg & 0x1f;
+		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] = (reg >> 7) & 0x1f;
+
+		/* Set HPR/HPL gain as minimum (~ -40dB) */
+		regmap_update_bits(cmpnt->regmap,
+				   MT6351_ZCD_CON2, 0xffff, 0x0F9F);
+		/* Set HS gain as minimum (~ -40dB) */
+		regmap_update_bits(cmpnt->regmap,
+				   MT6351_ZCD_CON3, 0xffff, 0x001F);
+		/* De_OSC of HP */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON2,
+				   0x0001, 0x0001);
+		/* enable output STBENH */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
+				   0xffff, 0x2000);
+		/* De_OSC of voice, enable output STBENH */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
+				   0xffff, 0x2100);
+		/* Enable voice driver */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
+				   0x0010, 0xE090);
+		/* Enable pre-charge buffer  */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
+				   0xffff, 0x2140);
+
+		usleep_range(50, 60);
+
+		/* Apply digital DC compensation value to DAC */
+		set_hp_gain_zero(cmpnt);
+
+		/* Enable HPR/HPL */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
+				   0xffff, 0x2100);
+		/* Disable pre-charge buffer */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
+				   0xffff, 0x2000);
+		/* Disable De_OSC of voice */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
+				   0x0010, 0xF4EF);
+		/* Disable voice buffer */
+
+		/* from yoyo HQ */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
+				   0x0700, 0x0300);
+
+		/* Enable ZCD, for minimize pop noise */
+		/* when adjust gain during HP buffer on */
+		hp_zcd_enable(cmpnt);
+
+		/* apply volume setting */
+		hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
+
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		priv->hp_en_counter--;
+		if (priv->hp_en_counter > 0)
+			break;	/* still being used, don't close */
+		else if (priv->hp_en_counter < 0)
+			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
+				__func__,
+				priv->hp_en_counter);
+
+		/* Disable AUD_ZCD */
+		hp_zcd_disable(cmpnt);
+
+		/* Set HPR/HPL gain as -1dB, step by step */
+		hp_gain_ramp_set(cmpnt, HP_GAIN_SET_ZERO);
+
+		set_hp_gain_zero(cmpnt);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		if (priv->hp_en_counter > 0)
+			break;	/* still being used, don't close */
+		else if (priv->hp_en_counter < 0)
+			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
+				__func__,
+				priv->hp_en_counter);
+
+		/* reset*/
+		regmap_update_bits(cmpnt->regmap,
+				   MT6351_AUDDEC_ANA_CON6,
+				   0x0700,
+				   0x0000);
+		/* De_OSC of HP */
+		regmap_update_bits(cmpnt->regmap,
+				   MT6351_AUDDEC_ANA_CON2,
+				   0x0001,
+				   0x0000);
+
+		/* apply volume setting */
+		hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_aif_out_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 mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
+		__func__, event, priv->ul_rate);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* dcclk_div=11'b00100000011, dcclk_ref_ck_sel=2'b00 */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
+				   0xffff, 0x2062);
+		/* dcclk_pdn=1'b0 */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
+				   0xffff, 0x2060);
+		/* dcclk_gen_on=1'b1 */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
+				   0xffff, 0x2061);
+
+		/* UL sample rate and mode configure */
+		regmap_update_bits(cmpnt->regmap, MT6351_AFE_UL_SRC_CON0_H,
+				   0x000E,
+				   get_cap_reg_val(cmpnt, priv->ul_rate) << 1);
+
+		/* fixed 260k path for 8/16/32/48 */
+		if (priv->ul_rate <= 48000) {
+			/* anc ul path src on */
+			regmap_update_bits(cmpnt->regmap,
+					   MT6351_AFE_HPANC_CFG0,
+					   0x1 << 1,
+					   0x1 << 1);
+			/* ANC clk pdn release */
+			regmap_update_bits(cmpnt->regmap,
+					   MT6351_AFE_HPANC_CFG0,
+					   0x1 << 0,
+					   0x0 << 0);
+		}
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		/* fixed 260k path for 8/16/32/48 */
+		if (priv->ul_rate <= 48000) {
+			/* anc ul path src on */
+			regmap_update_bits(cmpnt->regmap,
+					   MT6351_AFE_HPANC_CFG0,
+					   0x1 << 1,
+					   0x0 << 1);
+			/* ANC clk pdn release */
+			regmap_update_bits(cmpnt->regmap,
+					   MT6351_AFE_HPANC_CFG0,
+					   0x1 << 0,
+					   0x1 << 0);
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int mt_adc_clkgen_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Audio ADC clock gen. mode: 00_divided by 2 (Normal) */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
+				   0x3 << 4, 0x0);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		/* ADC CLK from: 00_13MHz from CLKSQ (Default) */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
+				   0x3 << 2, 0x0);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int mt_pga_left_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Audio L PGA precharge on */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
+				   0x3 << RG_AUDPREAMPLDCPRECHARGE,
+				   0x1 << RG_AUDPREAMPLDCPRECHARGE);
+		/* Audio L PGA mode: 1_DCC */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
+				   0x3 << RG_AUDPREAMPLDCCEN,
+				   0x1 << RG_AUDPREAMPLDCCEN);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		usleep_range(100, 120);
+		/* Audio L PGA precharge off */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
+				   0x3 << RG_AUDPREAMPLDCPRECHARGE,
+				   0x0 << RG_AUDPREAMPLDCPRECHARGE);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int mt_pga_right_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* Audio R PGA precharge on */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
+				   0x3 << RG_AUDPREAMPRDCPRECHARGE,
+				   0x1 << RG_AUDPREAMPRDCPRECHARGE);
+		/* Audio R PGA mode: 1_DCC */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
+				   0x3 << RG_AUDPREAMPRDCCEN,
+				   0x1 << RG_AUDPREAMPRDCCEN);
+		break;
+	case SND_SOC_DAPM_POST_PMU:
+		usleep_range(100, 120);
+		/* Audio R PGA precharge off */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
+				   0x3 << RG_AUDPREAMPRDCPRECHARGE,
+				   0x0 << RG_AUDPREAMPRDCPRECHARGE);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int mt_mic_bias_0_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* MIC Bias 0 LowPower: 0_Normal */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x3 << RG_AUDMICBIAS0LOWPEN, 0x0);
+		/* MISBIAS0 = 1P9V */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x7 << RG_AUDMICBIAS0VREF,
+				   0x2 << RG_AUDMICBIAS0VREF);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		/* MISBIAS0 = 1P97 */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x7 << RG_AUDMICBIAS0VREF,
+				   0x0 << RG_AUDMICBIAS0VREF);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int mt_mic_bias_1_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* MIC Bias 1 LowPower: 0_Normal */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
+				   0x3 << RG_AUDMICBIAS1LOWPEN, 0x0);
+		/* MISBIAS1 = 2P7V */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
+				   0x7 << RG_AUDMICBIAS1VREF,
+				   0x7 << RG_AUDMICBIAS1VREF);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		/* MISBIAS1 = 1P7V */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
+				   0x7 << RG_AUDMICBIAS1VREF,
+				   0x0 << RG_AUDMICBIAS1VREF);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int mt_mic_bias_2_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);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		/* MIC Bias 2 LowPower: 0_Normal */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x3 << RG_AUDMICBIAS2LOWPEN, 0x0);
+		/* MISBIAS2 = 1P9V */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x7 << RG_AUDMICBIAS2VREF,
+				   0x2 << RG_AUDMICBIAS2VREF);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		/* MISBIAS2 = 1P97 */
+		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
+				   0x7 << RG_AUDMICBIAS2VREF,
+				   0x0 << RG_AUDMICBIAS2VREF);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+/* DAPM Kcontrols */
+static const struct snd_kcontrol_new mt_lineout_control =
+	SOC_DAPM_SINGLE("Switch", MT6351_AUDDEC_ANA_CON3,
+			RG_AUDLOLPWRUP_VAUDP32_BIT, 1, 0);
+
+/* DAPM Widgets */
+static const struct snd_soc_dapm_widget mt6351_dapm_widgets[] = {
+	/* Digital Clock */
+	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_AFE_CTL", MT6351_AUDIO_TOP_CON0,
+			    AUD_TOP_PDN_AFE_CTL_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_DAC_CTL", MT6351_AUDIO_TOP_CON0,
+			    AUD_TOP_PDN_DAC_CTL_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_ADC_CTL", MT6351_AUDIO_TOP_CON0,
+			    AUD_TOP_PDN_ADC_CTL_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_PWR_CLK", MT6351_AUDIO_TOP_CON0,
+			    AUD_TOP_PWR_CLK_DIS_CTL_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_PDN_RESERVED", MT6351_AUDIO_TOP_CON0,
+			    AUD_TOP_PDN_RESERVED_BIT, 1, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("NCP", MT6351_AFE_NCP_CFG0,
+			    RG_NCP_ON_BIT, 0,
+			    mt_ncp_event,
+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
+
+	SND_SOC_DAPM_SUPPLY("DL Digital Clock", SND_SOC_NOPM,
+			    0, 0, NULL, 0),
+
+	/* Global Supply*/
+	SND_SOC_DAPM_SUPPLY("AUDGLB", MT6351_AUDDEC_ANA_CON9,
+			    RG_AUDGLB_PWRDN_VA32_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("CLKSQ Audio", MT6351_TOP_CLKSQ,
+			    RG_CLKSQ_EN_AUD_BIT, 0,
+			    mt_reg_set_clr_event,
+			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_SUPPLY("ZCD13M_CK", MT6351_TOP_CKPDN_CON0,
+			    RG_ZCD13M_CK_PDN_BIT, 1,
+			    mt_reg_set_clr_event,
+			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_SUPPLY("AUD_CK", MT6351_TOP_CKPDN_CON0,
+			    RG_AUD_CK_PDN_BIT, 1,
+			    mt_reg_set_clr_event,
+			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_SUPPLY("AUDIF_CK", MT6351_TOP_CKPDN_CON0,
+			    RG_AUDIF_CK_PDN_BIT, 1,
+			    mt_reg_set_clr_event,
+			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+	SND_SOC_DAPM_SUPPLY("AUDNCP_CK", MT6351_TOP_CKPDN_CON0,
+			    RG_AUDNCP_CK_PDN_BIT, 1,
+			    mt_reg_set_clr_event,
+			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+	SND_SOC_DAPM_SUPPLY("AFE_ON", MT6351_AFE_UL_DL_CON0, RG_AFE_ON_BIT, 0,
+			    NULL, 0),
+
+	/* AIF Rx*/
+	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "AIF1 Playback", 0,
+			      MT6351_AFE_DL_SRC2_CON0_L,
+			      RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT, 0,
+			      mt_aif_in_event, SND_SOC_DAPM_PRE_PMU),
+
+	/* DL Supply */
+	SND_SOC_DAPM_SUPPLY("DL Power Supply", SND_SOC_NOPM,
+			    0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("NV Regulator", MT6351_AUDDEC_ANA_CON10,
+			    RG_NVREG_EN_VAUDP32_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AUD_CLK", MT6351_AUDDEC_ANA_CON9,
+			    RG_RSTB_DECODER_VA32_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("IBIST", MT6351_AUDDEC_ANA_CON9,
+			    RG_AUDIBIASPWRDN_VAUDP32_BIT, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("LDO", MT6351_AUDDEC_ANA_CON9,
+			    RG_LCLDO_DEC_EN_VA32_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("LDO_REMOTE_SENSE", MT6351_AUDDEC_ANA_CON9,
+			    RG_LCLDO_DEC_REMOTE_SENSE_VA18_BIT, 0, NULL, 0),
+
+	/* DAC */
+	SND_SOC_DAPM_MUX("DAC In Mux", SND_SOC_NOPM, 0, 0, &dac_in_mux_control),
+
+	SND_SOC_DAPM_DAC("DACL", NULL, MT6351_AUDDEC_ANA_CON0,
+			 RG_AUDDACLPWRUP_VAUDP32_BIT, 0),
+	SND_SOC_DAPM_SUPPLY("DACL_BIASGEN", MT6351_AUDDEC_ANA_CON0,
+			    RG_AUD_DAC_PWL_UP_VA32_BIT, 0, NULL, 0),
+
+	SND_SOC_DAPM_DAC("DACR", NULL, MT6351_AUDDEC_ANA_CON0,
+			 RG_AUDDACRPWRUP_VAUDP32_BIT, 0),
+	SND_SOC_DAPM_SUPPLY("DACR_BIASGEN", MT6351_AUDDEC_ANA_CON0,
+			    RG_AUD_DAC_PWR_UP_VA32_BIT, 0, NULL, 0),
+	/* LOL */
+	SND_SOC_DAPM_MUX("LOL Mux", SND_SOC_NOPM, 0, 0, &lo_in_mux_control),
+
+	SND_SOC_DAPM_SUPPLY("LO Stability Enh", MT6351_AUDDEC_ANA_CON3,
+			    RG_LOOUTPUTSTBENH_VAUDP32_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("LOL Bias Gen", MT6351_AUDDEC_ANA_CON6,
+			    RG_ABIDEC_RSVD0_VAUDP32_LOL_BIT, 0, NULL, 0),
+
+	SND_SOC_DAPM_OUT_DRV("LOL Buffer", MT6351_AUDDEC_ANA_CON3,
+			     RG_AUDLOLPWRUP_VAUDP32_BIT, 0, NULL, 0),
+
+	/* Headphone */
+	SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_in_mux_control),
+	SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_in_mux_control),
+
+	SND_SOC_DAPM_OUT_DRV_E("HPL Power", MT6351_AUDDEC_ANA_CON0,
+			       RG_AUDHPLPWRUP_VAUDP32_BIT, 0, NULL, 0,
+			       mt_hp_event,
+			       SND_SOC_DAPM_PRE_PMU |
+			       SND_SOC_DAPM_PRE_PMD |
+			       SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_OUT_DRV_E("HPR Power", MT6351_AUDDEC_ANA_CON0,
+			       RG_AUDHPRPWRUP_VAUDP32_BIT, 0, NULL, 0,
+			       mt_hp_event,
+			       SND_SOC_DAPM_PRE_PMU |
+			       SND_SOC_DAPM_PRE_PMD |
+			       SND_SOC_DAPM_POST_PMD),
+
+	/* Receiver */
+	SND_SOC_DAPM_MUX("RCV Mux", SND_SOC_NOPM, 0, 0, &rcv_in_mux_control),
+
+	SND_SOC_DAPM_SUPPLY("RCV Stability Enh", MT6351_AUDDEC_ANA_CON1,
+			    RG_HSOUTPUTSTBENH_VAUDP32_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("RCV Bias Gen", MT6351_AUDDEC_ANA_CON6,
+			    RG_ABIDEC_RSVD0_VAUDP32_HS_BIT, 0, NULL, 0),
+
+	SND_SOC_DAPM_OUT_DRV("RCV Buffer", MT6351_AUDDEC_ANA_CON0,
+			     RG_AUDHSPWRUP_VAUDP32_BIT, 0, NULL, 0),
+
+	/* Outputs */
+	SND_SOC_DAPM_OUTPUT("Receiver"),
+	SND_SOC_DAPM_OUTPUT("Headphone L"),
+	SND_SOC_DAPM_OUTPUT("Headphone R"),
+	SND_SOC_DAPM_OUTPUT("LINEOUT L"),
+
+	/* SGEN */
+	SND_SOC_DAPM_SUPPLY("SGEN DL Enable", MT6351_AFE_SGEN_CFG0,
+			    SGEN_C_DAC_EN_CTL_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("SGEN MUTE", MT6351_AFE_SGEN_CFG0,
+			    SGEN_C_MUTE_SW_CTL_BIT, 1,
+			    mt_sgen_event, SND_SOC_DAPM_PRE_PMU),
+	SND_SOC_DAPM_SUPPLY("SGEN DL SRC", MT6351_AFE_DL_SRC2_CON0_L,
+			    RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT, 0, NULL, 0),
+
+	SND_SOC_DAPM_INPUT("SGEN DL"),
+
+	/* Uplinks */
+	SND_SOC_DAPM_AIF_OUT_E("AIF1TX", "AIF1 Capture", 0,
+			       MT6351_AFE_UL_SRC_CON0_L,
+			       UL_SRC_ON_TMP_CTL, 0,
+			       mt_aif_out_event,
+			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
+
+	SND_SOC_DAPM_SUPPLY_S("VUSB33_LDO", SUPPLY_SUBSEQ_ENABLE,
+			      MT6351_LDO_VUSB33_CON0, RG_VUSB33_EN, 0,
+			      NULL, 0),
+	SND_SOC_DAPM_SUPPLY_S("VUSB33_LDO_CTRL", SUPPLY_SUBSEQ_SETTING,
+			      MT6351_LDO_VUSB33_CON0, RG_VUSB33_ON_CTRL, 1,
+			      NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY_S("VA18_LDO", SUPPLY_SUBSEQ_ENABLE,
+			      MT6351_LDO_VA18_CON0, RG_VA18_EN, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY_S("VA18_LDO_CTRL", SUPPLY_SUBSEQ_SETTING,
+			      MT6351_LDO_VA18_CON0, RG_VA18_ON_CTRL, 1,
+			      NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY_S("ADC CLKGEN", SUPPLY_SUBSEQ_ENABLE,
+			      MT6351_AUDENC_ANA_CON3, RG_AUDADCCLKRSTB, 0,
+			      mt_adc_clkgen_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
+
+	/* Uplinks MUX */
+	SND_SOC_DAPM_MUX("AIF Out Mux", SND_SOC_NOPM, 0, 0,
+			 &aif_out_mux_control),
+
+	SND_SOC_DAPM_MUX("ADC L Mux", SND_SOC_NOPM, 0, 0,
+			 &adc_left_mux_control),
+	SND_SOC_DAPM_MUX("ADC R Mux", SND_SOC_NOPM, 0, 0,
+			 &adc_right_mux_control),
+
+	SND_SOC_DAPM_ADC("ADC L", NULL,
+			 MT6351_AUDENC_ANA_CON0, RG_AUDADCLPWRUP, 0),
+	SND_SOC_DAPM_ADC("ADC R", NULL,
+			 MT6351_AUDENC_ANA_CON1, RG_AUDADCRPWRUP, 0),
+
+	SND_SOC_DAPM_MUX("PGA L Mux", SND_SOC_NOPM, 0, 0,
+			 &pga_left_mux_control),
+	SND_SOC_DAPM_MUX("PGA R Mux", SND_SOC_NOPM, 0, 0,
+			 &pga_right_mux_control),
+
+	SND_SOC_DAPM_PGA_E("PGA L", MT6351_AUDENC_ANA_CON0, RG_AUDPREAMPLON, 0,
+			   NULL, 0,
+			   mt_pga_left_event,
+			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_PGA_E("PGA R", MT6351_AUDENC_ANA_CON1, RG_AUDPREAMPRON, 0,
+			   NULL, 0,
+			   mt_pga_right_event,
+			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
+
+	/* main mic mic bias */
+	SND_SOC_DAPM_SUPPLY_S("Mic Bias 0", SUPPLY_SUBSEQ_MICBIAS,
+			      MT6351_AUDENC_ANA_CON9, RG_AUDPWDBMICBIAS0, 0,
+			      mt_mic_bias_0_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	/* ref mic mic bias */
+	SND_SOC_DAPM_SUPPLY_S("Mic Bias 2", SUPPLY_SUBSEQ_MICBIAS,
+			      MT6351_AUDENC_ANA_CON9, RG_AUDPWDBMICBIAS2, 0,
+			      mt_mic_bias_2_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	/* headset mic1/2 mic bias */
+	SND_SOC_DAPM_SUPPLY_S("Mic Bias 1", SUPPLY_SUBSEQ_MICBIAS,
+			      MT6351_AUDENC_ANA_CON10, RG_AUDPWDBMICBIAS1, 0,
+			      mt_mic_bias_1_event,
+			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY_S("Mic Bias 1 DCC pull high", SUPPLY_SUBSEQ_MICBIAS,
+			      MT6351_AUDENC_ANA_CON10,
+			      RG_AUDMICBIAS1DCSW1NEN, 0,
+			      NULL, 0),
+
+	/* UL input */
+	SND_SOC_DAPM_INPUT("AIN0"),
+	SND_SOC_DAPM_INPUT("AIN1"),
+	SND_SOC_DAPM_INPUT("AIN2"),
+	SND_SOC_DAPM_INPUT("AIN3"),
+};
+
+static const struct snd_soc_dapm_route mt6351_dapm_routes[] = {
+	/* Capture */
+	{"AIF1TX", NULL, "AIF Out Mux"},
+	{"AIF1TX", NULL, "VUSB33_LDO"},
+	{"VUSB33_LDO", NULL, "VUSB33_LDO_CTRL"},
+	{"AIF1TX", NULL, "VA18_LDO"},
+	{"VA18_LDO", NULL, "VA18_LDO_CTRL"},
+
+	{"AIF1TX", NULL, "AUDGLB"},
+	{"AIF1TX", NULL, "CLKSQ Audio"},
+
+	{"AIF1TX", NULL, "AFE_ON"},
+
+	{"AIF1TX", NULL, "AUDIO_TOP_AFE_CTL"},
+	{"AIF1TX", NULL, "AUDIO_TOP_ADC_CTL"},
+	{"AIF1TX", NULL, "AUDIO_TOP_PWR_CLK"},
+	{"AIF1TX", NULL, "AUDIO_TOP_PDN_RESERVED"},
+
+	{"AIF Out Mux", "Normal Path", "ADC L"},
+	{"AIF Out Mux", "Normal Path", "ADC R"},
+
+	{"ADC L", NULL, "ADC L Mux"},
+	{"ADC L", NULL, "AUD_CK"},
+	{"ADC L", NULL, "AUDIF_CK"},
+	{"ADC L", NULL, "ADC CLKGEN"},
+	{"ADC R", NULL, "ADC R Mux"},
+	{"ADC R", NULL, "AUD_CK"},
+	{"ADC R", NULL, "AUDIF_CK"},
+	{"ADC R", NULL, "ADC CLKGEN"},
+
+	{"ADC L Mux", "AIN0", "AIN0"},
+	{"ADC L Mux", "Left Preamplifier", "PGA L"},
+
+	{"ADC R Mux", "AIN0", "AIN0"},
+	{"ADC R Mux", "Right Preamplifier", "PGA R"},
+
+	{"PGA L", NULL, "PGA L Mux"},
+	{"PGA R", NULL, "PGA R Mux"},
+
+	{"PGA L Mux", "AIN0", "AIN0"},
+	{"PGA L Mux", "AIN1", "AIN1"},
+	{"PGA L Mux", "AIN2", "AIN2"},
+
+	{"PGA R Mux", "AIN0", "AIN0"},
+	{"PGA R Mux", "AIN3", "AIN3"},
+	{"PGA R Mux", "AIN2", "AIN2"},
+
+	{"AIN0", NULL, "Mic Bias 0"},
+	{"AIN2", NULL, "Mic Bias 2"},
+
+	{"AIN1", NULL, "Mic Bias 1"},
+	{"AIN1", NULL, "Mic Bias 1 DCC pull high"},
+
+	/* DL Supply */
+	{"DL Power Supply", NULL, "AUDGLB"},
+	{"DL Power Supply", NULL, "CLKSQ Audio"},
+	{"DL Power Supply", NULL, "ZCD13M_CK"},
+	{"DL Power Supply", NULL, "AUD_CK"},
+	{"DL Power Supply", NULL, "AUDIF_CK"},
+	{"DL Power Supply", NULL, "AUDNCP_CK"},
+
+	{"DL Power Supply", NULL, "NV Regulator"},
+	{"DL Power Supply", NULL, "AUD_CLK"},
+	{"DL Power Supply", NULL, "IBIST"},
+	{"DL Power Supply", NULL, "LDO"},
+	{"LDO", NULL, "LDO_REMOTE_SENSE"},
+
+	/* DL Digital Supply */
+	{"DL Digital Clock", NULL, "AUDIO_TOP_AFE_CTL"},
+	{"DL Digital Clock", NULL, "AUDIO_TOP_DAC_CTL"},
+	{"DL Digital Clock", NULL, "AUDIO_TOP_PWR_CLK"},
+	{"DL Digital Clock", NULL, "AUDIO_TOP_PDN_RESERVED"},
+	{"DL Digital Clock", NULL, "NCP"},
+	{"DL Digital Clock", NULL, "AFE_ON"},
+
+	{"AIF_RX", NULL, "DL Digital Clock"},
+
+	/* DL Path */
+	{"DAC In Mux", "Normal Path", "AIF_RX"},
+
+	{"DAC In Mux", "Sgen", "SGEN DL"},
+	{"SGEN DL", NULL, "SGEN DL SRC"},
+	{"SGEN DL", NULL, "SGEN MUTE"},
+	{"SGEN DL", NULL, "SGEN DL Enable"},
+	{"SGEN DL", NULL, "DL Digital Clock"},
+
+	{"DACL", NULL, "DAC In Mux"},
+	{"DACL", NULL, "DL Power Supply"},
+	{"DACL", NULL, "DACL_BIASGEN"},
+
+	{"DACR", NULL, "DAC In Mux"},
+	{"DACR", NULL, "DL Power Supply"},
+	{"DACR", NULL, "DACR_BIASGEN"},
+
+	{"LOL Mux", "Playback", "DACL"},
+
+	{"LOL Buffer", NULL, "LOL Mux"},
+	{"LOL Buffer", NULL, "LO Stability Enh"},
+	{"LOL Buffer", NULL, "LOL Bias Gen"},
+
+	{"LINEOUT L", NULL, "LOL Buffer"},
+
+	/* Headphone Path */
+	{"HPL Mux", "Audio Playback", "DACL"},
+	{"HPR Mux", "Audio Playback", "DACR"},
+
+	{"HPL Mux", "LoudSPK Playback", "DACL"},
+	{"HPR Mux", "LoudSPK Playback", "DACR"},
+
+	{"HPL Power", NULL, "HPL Mux"},
+	{"HPR Power", NULL, "HPR Mux"},
+
+	{"Headphone L", NULL, "HPL Power"},
+	{"Headphone R", NULL, "HPR Power"},
+
+	/* Receiver Path */
+	{"RCV Mux", "Voice Playback", "DACL"},
+
+	{"RCV Buffer", NULL, "RCV Mux"},
+	{"RCV Buffer", NULL, "RCV Stability Enh"},
+	{"RCV Buffer", NULL, "RCV Bias Gen"},
+
+	{"Receiver", NULL, "RCV Buffer"},
+};
+
+static int mt6351_codec_init_reg(struct snd_soc_component *cmpnt)
+{
+	int ret = 0;
+
+	/* Disable CLKSQ 26MHz */
+	regmap_update_bits(cmpnt->regmap, MT6351_TOP_CLKSQ, 0x0001, 0x0);
+	/* disable AUDGLB */
+	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON9,
+			   0x1000, 0x1000);
+	/* Turn off AUDNCP_CLKDIV engine clock,Turn off AUD 26M */
+	regmap_update_bits(cmpnt->regmap, MT6351_TOP_CKPDN_CON0_SET,
+			   0x3800, 0x3800);
+	/* Disable HeadphoneL/HeadphoneR/voice short circuit protection */
+	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
+			   0xe000, 0xe000);
+	/* [5] = 1, disable LO buffer left short circuit protection */
+	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON3,
+			   0x20, 0x20);
+	/* Reverse the PMIC clock*/
+	regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
+			   0x8000, 0x8000);
+	return ret;
+}
+
+static int mt6351_codec_probe(struct snd_soc_component *cmpnt)
+{
+	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
+
+	snd_soc_component_init_regmap(cmpnt, priv->regmap);
+
+	mt6351_codec_init_reg(cmpnt);
+	return 0;
+}
+
+static const struct snd_soc_component_driver mt6351_soc_component_driver = {
+	.probe = mt6351_codec_probe,
+	.controls = mt6351_snd_controls,
+	.num_controls = ARRAY_SIZE(mt6351_snd_controls),
+	.dapm_widgets = mt6351_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(mt6351_dapm_widgets),
+	.dapm_routes = mt6351_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(mt6351_dapm_routes),
+};
+
+static int mt6351_codec_driver_probe(struct platform_device *pdev)
+{
+	struct mt6351_priv *priv;
+
+	priv = devm_kzalloc(&pdev->dev,
+			    sizeof(struct mt6351_priv),
+			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	dev_set_drvdata(&pdev->dev, priv);
+
+	priv->dev = &pdev->dev;
+
+	priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+	if (IS_ERR(priv->regmap))
+		return PTR_ERR(priv->regmap);
+
+	dev_dbg(priv->dev, "%s(), dev name %s\n",
+		__func__, dev_name(&pdev->dev));
+
+	return devm_snd_soc_register_component(&pdev->dev,
+					       &mt6351_soc_component_driver,
+					       mt6351_dai_driver,
+					       ARRAY_SIZE(mt6351_dai_driver));
+}
+
+static const struct of_device_id mt6351_of_match[] = {
+	{.compatible = "mediatek,mt6351-sound",},
+	{}
+};
+
+static struct platform_driver mt6351_codec_driver = {
+	.driver = {
+		.name = "mt6351-sound",
+		.of_match_table = mt6351_of_match,
+	},
+	.probe = mt6351_codec_driver_probe,
+};
+
+module_platform_driver(mt6351_codec_driver)
+
+/* Module information */
+MODULE_DESCRIPTION("MT6351 ALSA SoC codec driver");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/mt6351.h b/sound/soc/codecs/mt6351.h
new file mode 100644
index 000000000000..04b2ab694ec7
--- /dev/null
+++ b/sound/soc/codecs/mt6351.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt6351.h  --  mt6351 ALSA SoC audio codec driver
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ */
+
+#ifndef __MT6351_H__
+#define __MT6351_H__
+
+#define MT6351_AFE_UL_DL_CON0               (0x2000 + 0x0000)
+#define MT6351_AFE_DL_SRC2_CON0_H           (0x2000 + 0x0002)
+#define MT6351_AFE_DL_SRC2_CON0_L           (0x2000 + 0x0004)
+#define MT6351_AFE_DL_SDM_CON0              (0x2000 + 0x0006)
+#define MT6351_AFE_DL_SDM_CON1              (0x2000 + 0x0008)
+#define MT6351_AFE_UL_SRC_CON0_H            (0x2000 + 0x000a)
+#define MT6351_AFE_UL_SRC_CON0_L            (0x2000 + 0x000c)
+#define MT6351_AFE_UL_SRC_CON1_H            (0x2000 + 0x000e)
+#define MT6351_AFE_UL_SRC_CON1_L            (0x2000 + 0x0010)
+#define MT6351_AFE_TOP_CON0                 (0x2000 + 0x0012)
+#define MT6351_AUDIO_TOP_CON0               (0x2000 + 0x0014)
+#define MT6351_AFE_DL_SRC_MON0              (0x2000 + 0x0016)
+#define MT6351_AFE_DL_SDM_TEST0             (0x2000 + 0x0018)
+#define MT6351_AFE_MON_DEBUG0               (0x2000 + 0x001a)
+#define MT6351_AFUNC_AUD_CON0               (0x2000 + 0x001c)
+#define MT6351_AFUNC_AUD_CON1               (0x2000 + 0x001e)
+#define MT6351_AFUNC_AUD_CON2               (0x2000 + 0x0020)
+#define MT6351_AFUNC_AUD_CON3               (0x2000 + 0x0022)
+#define MT6351_AFUNC_AUD_CON4               (0x2000 + 0x0024)
+#define MT6351_AFUNC_AUD_MON0               (0x2000 + 0x0026)
+#define MT6351_AFUNC_AUD_MON1               (0x2000 + 0x0028)
+#define MT6351_AFE_UP8X_FIFO_CFG0           (0x2000 + 0x002c)
+#define MT6351_AFE_UP8X_FIFO_LOG_MON0       (0x2000 + 0x002e)
+#define MT6351_AFE_UP8X_FIFO_LOG_MON1       (0x2000 + 0x0030)
+#define MT6351_AFE_DL_DC_COMP_CFG0          (0x2000 + 0x0032)
+#define MT6351_AFE_DL_DC_COMP_CFG1          (0x2000 + 0x0034)
+#define MT6351_AFE_DL_DC_COMP_CFG2          (0x2000 + 0x0036)
+#define MT6351_AFE_PMIC_NEWIF_CFG0          (0x2000 + 0x0038)
+#define MT6351_AFE_PMIC_NEWIF_CFG1          (0x2000 + 0x003a)
+#define MT6351_AFE_PMIC_NEWIF_CFG2          (0x2000 + 0x003c)
+#define MT6351_AFE_PMIC_NEWIF_CFG3          (0x2000 + 0x003e)
+#define MT6351_AFE_SGEN_CFG0                (0x2000 + 0x0040)
+#define MT6351_AFE_SGEN_CFG1                (0x2000 + 0x0042)
+#define MT6351_AFE_ADDA2_UP8X_FIFO_LOG_MON0 (0x2000 + 0x004c)
+#define MT6351_AFE_ADDA2_UP8X_FIFO_LOG_MON1 (0x2000 + 0x004e)
+#define MT6351_AFE_ADDA2_PMIC_NEWIF_CFG0    (0x2000 + 0x0050)
+#define MT6351_AFE_ADDA2_PMIC_NEWIF_CFG1    (0x2000 + 0x0052)
+#define MT6351_AFE_ADDA2_PMIC_NEWIF_CFG2    (0x2000 + 0x0054)
+#define MT6351_AFE_DCCLK_CFG0               (0x2000 + 0x0090)
+#define MT6351_AFE_DCCLK_CFG1               (0x2000 + 0x0092)
+#define MT6351_AFE_HPANC_CFG0               (0x2000 + 0x0094)
+#define MT6351_AFE_NCP_CFG0                 (0x2000 + 0x0096)
+#define MT6351_AFE_NCP_CFG1                 (0x2000 + 0x0098)
+
+#define MT6351_TOP_CKPDN_CON0      0x023A
+#define MT6351_TOP_CKPDN_CON0_SET  0x023C
+#define MT6351_TOP_CKPDN_CON0_CLR  0x023E
+
+#define MT6351_TOP_CLKSQ           0x029A
+#define MT6351_TOP_CLKSQ_SET       0x029C
+#define MT6351_TOP_CLKSQ_CLR       0x029E
+
+#define MT6351_ZCD_CON0            0x0800
+#define MT6351_ZCD_CON1            0x0802
+#define MT6351_ZCD_CON2            0x0804
+#define MT6351_ZCD_CON3            0x0806
+#define MT6351_ZCD_CON4            0x0808
+#define MT6351_ZCD_CON5            0x080A
+
+#define MT6351_LDO_VA18_CON0       0x0A00
+#define MT6351_LDO_VA18_CON1       0x0A02
+#define MT6351_LDO_VUSB33_CON0     0x0A16
+#define MT6351_LDO_VUSB33_CON1     0x0A18
+
+#define MT6351_AUDDEC_ANA_CON0     0x0CF2
+#define MT6351_AUDDEC_ANA_CON1     0x0CF4
+#define MT6351_AUDDEC_ANA_CON2     0x0CF6
+#define MT6351_AUDDEC_ANA_CON3     0x0CF8
+#define MT6351_AUDDEC_ANA_CON4     0x0CFA
+#define MT6351_AUDDEC_ANA_CON5     0x0CFC
+#define MT6351_AUDDEC_ANA_CON6     0x0CFE
+#define MT6351_AUDDEC_ANA_CON7     0x0D00
+#define MT6351_AUDDEC_ANA_CON8     0x0D02
+#define MT6351_AUDDEC_ANA_CON9     0x0D04
+#define MT6351_AUDDEC_ANA_CON10    0x0D06
+
+#define MT6351_AUDENC_ANA_CON0     0x0D08
+#define MT6351_AUDENC_ANA_CON1     0x0D0A
+#define MT6351_AUDENC_ANA_CON2     0x0D0C
+#define MT6351_AUDENC_ANA_CON3     0x0D0E
+#define MT6351_AUDENC_ANA_CON4     0x0D10
+#define MT6351_AUDENC_ANA_CON5     0x0D12
+#define MT6351_AUDENC_ANA_CON6     0x0D14
+#define MT6351_AUDENC_ANA_CON7     0x0D16
+#define MT6351_AUDENC_ANA_CON8     0x0D18
+#define MT6351_AUDENC_ANA_CON9     0x0D1A
+#define MT6351_AUDENC_ANA_CON10    0x0D1C
+#define MT6351_AUDENC_ANA_CON11    0x0D1E
+#define MT6351_AUDENC_ANA_CON12    0x0D20
+#define MT6351_AUDENC_ANA_CON13    0x0D22
+#define MT6351_AUDENC_ANA_CON14    0x0D24
+#define MT6351_AUDENC_ANA_CON15    0x0D26
+#define MT6351_AUDENC_ANA_CON16    0x0D28
+#endif
