ASoC: codecs: Add DA9055 codec driver

This patch adds support for Dialog semiconductor's DA9055 audio codec.

This has been tested on DA9055 EVB with Samsung SMDK6410 board.

Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: David Dajun Chen <david.chen@diasemi.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

4 files changed, 1549 insertions, 0 deletions

diff --git a/include/sound/da9055.h b/include/sound/da9055.h
new file mode 100644
index 000000000000..cf1241b64d89
--- /dev/null
+++ b/include/sound/da9055.h
@@ -0,0 +1,33 @@
+/*
+ * DA9055 ALSA Soc codec driver
+ *
+ * Copyright (c) 2012 Dialog Semiconductor
+ *
+ * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
+ * Written by David Chen <david.chen@diasemi.com> and
+ * Ashish Chavan <ashish.chavan@kpitcummins.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __SOUND_DA9055_H__
+#define __SOUND_DA9055_H__
+
+enum da9055_micbias_voltage {
+	DA9055_MICBIAS_1_6V = 0,
+	DA9055_MICBIAS_1_8V = 1,
+	DA9055_MICBIAS_2_1V = 2,
+	DA9055_MICBIAS_2_2V = 3,
+};
+
+struct da9055_platform_data {
+	/* Selects which of the two MicBias pins acts as the bias source */
+	bool micbias_source;
+	/* Selects the micbias voltage */
+	enum da9055_micbias_voltage micbias;
+};
+
+#endif
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 3684255e5fba..b92759a39361 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -37,6 +37,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_CX20442
 	select SND_SOC_DA7210 if I2C
 	select SND_SOC_DA732X if I2C
+	select SND_SOC_DA9055 if I2C
 	select SND_SOC_DFBMCS320
 	select SND_SOC_ISABELLE if I2C
 	select SND_SOC_JZ4740_CODEC
@@ -239,6 +240,9 @@ config SND_SOC_DA7210
 config SND_SOC_DA732X
         tristate
 
+config SND_SOC_DA9055
+	tristate
+
 config SND_SOC_DFBMCS320
 	tristate
 
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index ca508b251df7..9bd4d95aab4f 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -24,6 +24,7 @@ snd-soc-cs4271-objs := cs4271.o
 snd-soc-cx20442-objs := cx20442.o
 snd-soc-da7210-objs := da7210.o
 snd-soc-da732x-objs := da732x.o
+snd-soc-da9055-objs := da9055.o
 snd-soc-dfbmcs320-objs := dfbmcs320.o
 snd-soc-dmic-objs := dmic.o
 snd-soc-isabelle-objs := isabelle.o
@@ -144,6 +145,7 @@ obj-$(CONFIG_SND_SOC_CS4271)	+= snd-soc-cs4271.o
 obj-$(CONFIG_SND_SOC_CX20442)	+= snd-soc-cx20442.o
 obj-$(CONFIG_SND_SOC_DA7210)	+= snd-soc-da7210.o
 obj-$(CONFIG_SND_SOC_DA732X)	+= snd-soc-da732x.o
+obj-$(CONFIG_SND_SOC_DA9055)	+= snd-soc-da9055.o
 obj-$(CONFIG_SND_SOC_DFBMCS320)	+= snd-soc-dfbmcs320.o
 obj-$(CONFIG_SND_SOC_DMIC)	+= snd-soc-dmic.o
 obj-$(CONFIG_SND_SOC_ISABELLE)	+= snd-soc-isabelle.o
diff --git a/sound/soc/codecs/da9055.c b/sound/soc/codecs/da9055.c
new file mode 100644
index 000000000000..185d8dd36399
--- /dev/null
+++ b/sound/soc/codecs/da9055.c
@@ -0,0 +1,1510 @@
+/*
+ * DA9055 ALSA Soc codec driver
+ *
+ * Copyright (c) 2012 Dialog Semiconductor
+ *
+ * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
+ * Written by David Chen <david.chen@diasemi.com> and
+ * Ashish Chavan <ashish.chavan@kpitcummins.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/da9055.h>
+
+/* DA9055 register space */
+
+/* Status Registers */
+#define DA9055_STATUS1			0x02
+#define DA9055_PLL_STATUS		0x03
+#define DA9055_AUX_L_GAIN_STATUS	0x04
+#define DA9055_AUX_R_GAIN_STATUS	0x05
+#define DA9055_MIC_L_GAIN_STATUS	0x06
+#define DA9055_MIC_R_GAIN_STATUS	0x07
+#define DA9055_MIXIN_L_GAIN_STATUS	0x08
+#define DA9055_MIXIN_R_GAIN_STATUS	0x09
+#define DA9055_ADC_L_GAIN_STATUS	0x0A
+#define DA9055_ADC_R_GAIN_STATUS	0x0B
+#define DA9055_DAC_L_GAIN_STATUS	0x0C
+#define DA9055_DAC_R_GAIN_STATUS	0x0D
+#define DA9055_HP_L_GAIN_STATUS		0x0E
+#define DA9055_HP_R_GAIN_STATUS		0x0F
+#define DA9055_LINE_GAIN_STATUS		0x10
+
+/* System Initialisation Registers */
+#define DA9055_CIF_CTRL			0x20
+#define DA9055_DIG_ROUTING_AIF		0X21
+#define DA9055_SR			0x22
+#define DA9055_REFERENCES		0x23
+#define DA9055_PLL_FRAC_TOP		0x24
+#define DA9055_PLL_FRAC_BOT		0x25
+#define DA9055_PLL_INTEGER		0x26
+#define DA9055_PLL_CTRL			0x27
+#define DA9055_AIF_CLK_MODE		0x28
+#define DA9055_AIF_CTRL			0x29
+#define DA9055_DIG_ROUTING_DAC		0x2A
+#define DA9055_ALC_CTRL1		0x2B
+
+/* Input - Gain, Select and Filter Registers */
+#define DA9055_AUX_L_GAIN		0x30
+#define DA9055_AUX_R_GAIN		0x31
+#define DA9055_MIXIN_L_SELECT		0x32
+#define DA9055_MIXIN_R_SELECT		0x33
+#define DA9055_MIXIN_L_GAIN		0x34
+#define DA9055_MIXIN_R_GAIN		0x35
+#define DA9055_ADC_L_GAIN		0x36
+#define DA9055_ADC_R_GAIN		0x37
+#define DA9055_ADC_FILTERS1		0x38
+#define DA9055_MIC_L_GAIN		0x39
+#define DA9055_MIC_R_GAIN		0x3A
+
+/* Output - Gain, Select and Filter Registers */
+#define DA9055_DAC_FILTERS5		0x40
+#define DA9055_DAC_FILTERS2		0x41
+#define DA9055_DAC_FILTERS3		0x42
+#define DA9055_DAC_FILTERS4		0x43
+#define DA9055_DAC_FILTERS1		0x44
+#define DA9055_DAC_L_GAIN		0x45
+#define DA9055_DAC_R_GAIN		0x46
+#define DA9055_CP_CTRL			0x47
+#define DA9055_HP_L_GAIN		0x48
+#define DA9055_HP_R_GAIN		0x49
+#define DA9055_LINE_GAIN		0x4A
+#define DA9055_MIXOUT_L_SELECT		0x4B
+#define DA9055_MIXOUT_R_SELECT		0x4C
+
+/* System Controller Registers */
+#define DA9055_SYSTEM_MODES_INPUT	0x50
+#define DA9055_SYSTEM_MODES_OUTPUT	0x51
+
+/* Control Registers */
+#define DA9055_AUX_L_CTRL		0x60
+#define DA9055_AUX_R_CTRL		0x61
+#define DA9055_MIC_BIAS_CTRL		0x62
+#define DA9055_MIC_L_CTRL		0x63
+#define DA9055_MIC_R_CTRL		0x64
+#define DA9055_MIXIN_L_CTRL		0x65
+#define DA9055_MIXIN_R_CTRL		0x66
+#define DA9055_ADC_L_CTRL		0x67
+#define DA9055_ADC_R_CTRL		0x68
+#define DA9055_DAC_L_CTRL		0x69
+#define DA9055_DAC_R_CTRL		0x6A
+#define DA9055_HP_L_CTRL		0x6B
+#define DA9055_HP_R_CTRL		0x6C
+#define DA9055_LINE_CTRL		0x6D
+#define DA9055_MIXOUT_L_CTRL		0x6E
+#define DA9055_MIXOUT_R_CTRL		0x6F
+
+/* Configuration Registers */
+#define DA9055_LDO_CTRL			0x90
+#define DA9055_IO_CTRL			0x91
+#define DA9055_GAIN_RAMP_CTRL		0x92
+#define DA9055_MIC_CONFIG		0x93
+#define DA9055_PC_COUNT			0x94
+#define DA9055_CP_VOL_THRESHOLD1	0x95
+#define DA9055_CP_DELAY			0x96
+#define DA9055_CP_DETECTOR		0x97
+#define DA9055_AIF_OFFSET		0x98
+#define DA9055_DIG_CTRL			0x99
+#define DA9055_ALC_CTRL2		0x9A
+#define DA9055_ALC_CTRL3		0x9B
+#define DA9055_ALC_NOISE		0x9C
+#define DA9055_ALC_TARGET_MIN		0x9D
+#define DA9055_ALC_TARGET_MAX		0x9E
+#define DA9055_ALC_GAIN_LIMITS		0x9F
+#define DA9055_ALC_ANA_GAIN_LIMITS	0xA0
+#define DA9055_ALC_ANTICLIP_CTRL	0xA1
+#define DA9055_ALC_ANTICLIP_LEVEL	0xA2
+#define DA9055_ALC_OFFSET_OP2M_L	0xA6
+#define DA9055_ALC_OFFSET_OP2U_L	0xA7
+#define DA9055_ALC_OFFSET_OP2M_R	0xAB
+#define DA9055_ALC_OFFSET_OP2U_R	0xAC
+#define DA9055_ALC_CIC_OP_LVL_CTRL	0xAD
+#define DA9055_ALC_CIC_OP_LVL_DATA	0xAE
+#define DA9055_DAC_NG_SETUP_TIME	0xAF
+#define DA9055_DAC_NG_OFF_THRESHOLD	0xB0
+#define DA9055_DAC_NG_ON_THRESHOLD	0xB1
+#define DA9055_DAC_NG_CTRL		0xB2
+
+/* SR bit fields */
+#define DA9055_SR_8000			(0x1 << 0)
+#define DA9055_SR_11025			(0x2 << 0)
+#define DA9055_SR_12000			(0x3 << 0)
+#define DA9055_SR_16000			(0x5 << 0)
+#define DA9055_SR_22050			(0x6 << 0)
+#define DA9055_SR_24000			(0x7 << 0)
+#define DA9055_SR_32000			(0x9 << 0)
+#define DA9055_SR_44100			(0xA << 0)
+#define DA9055_SR_48000			(0xB << 0)
+#define DA9055_SR_88200			(0xE << 0)
+#define DA9055_SR_96000			(0xF << 0)
+
+/* REFERENCES bit fields */
+#define DA9055_BIAS_EN			(1 << 3)
+#define DA9055_VMID_EN			(1 << 7)
+
+/* PLL_CTRL bit fields */
+#define DA9055_PLL_INDIV_10_20_MHZ	(1 << 2)
+#define DA9055_PLL_SRM_EN		(1 << 6)
+#define DA9055_PLL_EN			(1 << 7)
+
+/* AIF_CLK_MODE bit fields */
+#define DA9055_AIF_BCLKS_PER_WCLK_32	(0 << 0)
+#define DA9055_AIF_BCLKS_PER_WCLK_64	(1 << 0)
+#define DA9055_AIF_BCLKS_PER_WCLK_128	(2 << 0)
+#define DA9055_AIF_BCLKS_PER_WCLK_256	(3 << 0)
+#define DA9055_AIF_CLK_EN_SLAVE_MODE	(0 << 7)
+#define DA9055_AIF_CLK_EN_MASTER_MODE	(1 << 7)
+
+/* AIF_CTRL bit fields */
+#define DA9055_AIF_FORMAT_I2S_MODE	(0 << 0)
+#define DA9055_AIF_FORMAT_LEFT_J	(1 << 0)
+#define DA9055_AIF_FORMAT_RIGHT_J	(2 << 0)
+#define DA9055_AIF_WORD_S16_LE		(0 << 2)
+#define DA9055_AIF_WORD_S20_3LE		(1 << 2)
+#define DA9055_AIF_WORD_S24_LE		(2 << 2)
+#define DA9055_AIF_WORD_S32_LE		(3 << 2)
+
+/* MIXIN_L_CTRL bit fields */
+#define DA9055_MIXIN_L_MIX_EN		(1 << 3)
+
+/* MIXIN_R_CTRL bit fields */
+#define DA9055_MIXIN_R_MIX_EN		(1 << 3)
+
+/* ADC_L_CTRL bit fields */
+#define DA9055_ADC_L_EN			(1 << 7)
+
+/* ADC_R_CTRL bit fields */
+#define DA9055_ADC_R_EN			(1 << 7)
+
+/* DAC_L_CTRL bit fields */
+#define DA9055_DAC_L_MUTE_EN		(1 << 6)
+
+/* DAC_R_CTRL bit fields */
+#define DA9055_DAC_R_MUTE_EN		(1 << 6)
+
+/* HP_L_CTRL bit fields */
+#define DA9055_HP_L_AMP_OE		(1 << 3)
+
+/* HP_R_CTRL bit fields */
+#define DA9055_HP_R_AMP_OE		(1 << 3)
+
+/* LINE_CTRL bit fields */
+#define DA9055_LINE_AMP_OE		(1 << 3)
+
+/* MIXOUT_L_CTRL bit fields */
+#define DA9055_MIXOUT_L_MIX_EN		(1 << 3)
+
+/* MIXOUT_R_CTRL bit fields */
+#define DA9055_MIXOUT_R_MIX_EN		(1 << 3)
+
+/* MIC bias select bit fields */
+#define DA9055_MICBIAS2_EN		(1 << 6)
+
+/* ALC_CIC_OP_LEVEL_CTRL bit fields */
+#define DA9055_ALC_DATA_MIDDLE		(2 << 0)
+#define DA9055_ALC_DATA_TOP		(3 << 0)
+#define DA9055_ALC_CIC_OP_CHANNEL_LEFT	(0 << 7)
+#define DA9055_ALC_CIC_OP_CHANNEL_RIGHT	(1 << 7)
+
+#define DA9055_AIF_BCLK_MASK		(3 << 0)
+#define DA9055_AIF_CLK_MODE_MASK	(1 << 7)
+#define DA9055_AIF_FORMAT_MASK		(3 << 0)
+#define DA9055_AIF_WORD_LENGTH_MASK	(3 << 2)
+#define DA9055_GAIN_RAMPING_EN		(1 << 5)
+#define DA9055_MICBIAS_LEVEL_MASK	(3 << 4)
+
+#define DA9055_ALC_OFFSET_15_8		0x00FF00
+#define DA9055_ALC_OFFSET_17_16		0x030000
+#define DA9055_ALC_AVG_ITERATIONS	5
+
+struct pll_div {
+	int fref;
+	int fout;
+	u8 frac_top;
+	u8 frac_bot;
+	u8 integer;
+	u8 mode;	/* 0 = slave, 1 = master */
+};
+
+/* PLL divisor table */
+static const struct pll_div da9055_pll_div[] = {
+	/* for MASTER mode, fs = 44.1Khz and its harmonics */
+	{11289600, 2822400, 0x00, 0x00, 0x20, 1},	/* MCLK=11.2896Mhz */
+	{12000000, 2822400, 0x03, 0x61, 0x1E, 1},	/* MCLK=12Mhz */
+	{12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},	/* MCLK=12.288Mhz */
+	{13000000, 2822400, 0x19, 0x45, 0x1B, 1},	/* MCLK=13Mhz */
+	{13500000, 2822400, 0x18, 0x56, 0x1A, 1},	/* MCLK=13.5Mhz */
+	{14400000, 2822400, 0x02, 0xD0, 0x19, 1},	/* MCLK=14.4Mhz */
+	{19200000, 2822400, 0x1A, 0x1C, 0x12, 1},	/* MCLK=19.2Mhz */
+	{19680000, 2822400, 0x0B, 0x6D, 0x12, 1},	/* MCLK=19.68Mhz */
+	{19800000, 2822400, 0x07, 0xDD, 0x12, 1},	/* MCLK=19.8Mhz */
+	/* for MASTER mode, fs = 48Khz and its harmonics */
+	{11289600, 3072000, 0x1A, 0x8E, 0x22, 1},	/* MCLK=11.2896Mhz */
+	{12000000, 3072000, 0x18, 0x93, 0x20, 1},	/* MCLK=12Mhz */
+	{12288000, 3072000, 0x00, 0x00, 0x20, 1},	/* MCLK=12.288Mhz */
+	{13000000, 3072000, 0x07, 0xEA, 0x1E, 1},	/* MCLK=13Mhz */
+	{13500000, 3072000, 0x04, 0x11, 0x1D, 1},	/* MCLK=13.5Mhz */
+	{14400000, 3072000, 0x09, 0xD0, 0x1B, 1},	/* MCLK=14.4Mhz */
+	{19200000, 3072000, 0x0F, 0x5C, 0x14, 1},	/* MCLK=19.2Mhz */
+	{19680000, 3072000, 0x1F, 0x60, 0x13, 1},	/* MCLK=19.68Mhz */
+	{19800000, 3072000, 0x1B, 0x80, 0x13, 1},	/* MCLK=19.8Mhz */
+	/* for SLAVE mode with SRM */
+	{11289600, 2822400, 0x0D, 0x47, 0x21, 0},	/* MCLK=11.2896Mhz */
+	{12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},	/* MCLK=12Mhz */
+	{12288000, 2822400, 0x16, 0x66, 0x1E, 0},	/* MCLK=12.288Mhz */
+	{13000000, 2822400, 0x00, 0x98, 0x1D, 0},	/* MCLK=13Mhz */
+	{13500000, 2822400, 0x1E, 0x33, 0x1B, 0},	/* MCLK=13.5Mhz */
+	{14400000, 2822400, 0x06, 0x50, 0x1A, 0},	/* MCLK=14.4Mhz */
+	{19200000, 2822400, 0x14, 0xBC, 0x13, 0},	/* MCLK=19.2Mhz */
+	{19680000, 2822400, 0x05, 0x66, 0x13, 0},	/* MCLK=19.68Mhz */
+	{19800000, 2822400, 0x01, 0xAE, 0x13, 0},	/* MCLK=19.8Mhz  */
+};
+
+enum clk_src {
+	DA9055_CLKSRC_MCLK
+};
+
+/* Gain and Volume */
+
+static const unsigned int aux_vol_tlv[] = {
+	TLV_DB_RANGE_HEAD(2),
+	0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
+	/* -54dB to 15dB */
+	0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
+};
+
+static const unsigned int digital_gain_tlv[] = {
+	TLV_DB_RANGE_HEAD(2),
+	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+	/* -78dB to 12dB */
+	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
+};
+
+static const unsigned int alc_analog_gain_tlv[] = {
+	TLV_DB_RANGE_HEAD(2),
+	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+	/* 0dB to 36dB */
+	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
+};
+
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
+static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
+static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
+static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
+static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
+
+/* ADC and DAC high pass filter cutoff value */
+static const char * const da9055_hpf_cutoff_txt[] = {
+	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
+};
+
+static const struct soc_enum da9055_dac_hpf_cutoff =
+	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS1, 4, 4, da9055_hpf_cutoff_txt);
+
+static const struct soc_enum da9055_adc_hpf_cutoff =
+	SOC_ENUM_SINGLE(DA9055_ADC_FILTERS1, 4, 4, da9055_hpf_cutoff_txt);
+
+/* ADC and DAC voice mode (8kHz) high pass cutoff value */
+static const char * const da9055_vf_cutoff_txt[] = {
+	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
+};
+
+static const struct soc_enum da9055_dac_vf_cutoff =
+	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS1, 0, 8, da9055_vf_cutoff_txt);
+
+static const struct soc_enum da9055_adc_vf_cutoff =
+	SOC_ENUM_SINGLE(DA9055_ADC_FILTERS1, 0, 8, da9055_vf_cutoff_txt);
+
+/* Gain ramping rate value */
+static const char * const da9055_gain_ramping_txt[] = {
+	"nominal rate", "nominal rate * 4", "nominal rate * 8",
+	"nominal rate / 8"
+};
+
+static const struct soc_enum da9055_gain_ramping_rate =
+	SOC_ENUM_SINGLE(DA9055_GAIN_RAMP_CTRL, 0, 4, da9055_gain_ramping_txt);
+
+/* DAC noise gate setup time value */
+static const char * const da9055_dac_ng_setup_time_txt[] = {
+	"256 samples", "512 samples", "1024 samples", "2048 samples"
+};
+
+static const struct soc_enum da9055_dac_ng_setup_time =
+	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 0, 4,
+			da9055_dac_ng_setup_time_txt);
+
+/* DAC noise gate rampup rate value */
+static const char * const da9055_dac_ng_rampup_txt[] = {
+	"0.02 ms/dB", "0.16 ms/dB"
+};
+
+static const struct soc_enum da9055_dac_ng_rampup_rate =
+	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 2, 2,
+			da9055_dac_ng_rampup_txt);
+
+/* DAC noise gate rampdown rate value */
+static const char * const da9055_dac_ng_rampdown_txt[] = {
+	"0.64 ms/dB", "20.48 ms/dB"
+};
+
+static const struct soc_enum da9055_dac_ng_rampdown_rate =
+	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 3, 2,
+			da9055_dac_ng_rampdown_txt);
+
+/* DAC soft mute rate value */
+static const char * const da9055_dac_soft_mute_rate_txt[] = {
+	"1", "2", "4", "8", "16", "32", "64"
+};
+
+static const struct soc_enum da9055_dac_soft_mute_rate =
+	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS5, 4, 7,
+			da9055_dac_soft_mute_rate_txt);
+
+/* DAC routing select */
+static const char * const da9055_dac_src_txt[] = {
+	"ADC output left", "ADC output right", "AIF input left",
+	"AIF input right"
+};
+
+static const struct soc_enum da9055_dac_l_src =
+	SOC_ENUM_SINGLE(DA9055_DIG_ROUTING_DAC, 0, 4, da9055_dac_src_txt);
+
+static const struct soc_enum da9055_dac_r_src =
+	SOC_ENUM_SINGLE(DA9055_DIG_ROUTING_DAC, 4, 4, da9055_dac_src_txt);
+
+/* MIC PGA Left source select */
+static const char * const da9055_mic_l_src_txt[] = {
+	"MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
+};
+
+static const struct soc_enum da9055_mic_l_src =
+	SOC_ENUM_SINGLE(DA9055_MIXIN_L_SELECT, 4, 4, da9055_mic_l_src_txt);
+
+/* MIC PGA Right source select */
+static const char * const da9055_mic_r_src_txt[] = {
+	"MIC2_R_L", "MIC2_R", "MIC2_L"
+};
+
+static const struct soc_enum da9055_mic_r_src =
+	SOC_ENUM_SINGLE(DA9055_MIXIN_R_SELECT, 4, 3, da9055_mic_r_src_txt);
+
+/* ALC Input Signal Tracking rate select */
+static const char * const da9055_signal_tracking_rate_txt[] = {
+	"1/4", "1/16", "1/256", "1/65536"
+};
+
+static const struct soc_enum da9055_integ_attack_rate =
+	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 4, 4,
+			da9055_signal_tracking_rate_txt);
+
+static const struct soc_enum da9055_integ_release_rate =
+	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 6, 4,
+			da9055_signal_tracking_rate_txt);
+
+/* ALC Attack Rate select */
+static const char * const da9055_attack_rate_txt[] = {
+	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
+	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
+};
+
+static const struct soc_enum da9055_attack_rate =
+	SOC_ENUM_SINGLE(DA9055_ALC_CTRL2, 0, 13, da9055_attack_rate_txt);
+
+/* ALC Release Rate select */
+static const char * const da9055_release_rate_txt[] = {
+	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
+	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
+};
+
+static const struct soc_enum da9055_release_rate =
+	SOC_ENUM_SINGLE(DA9055_ALC_CTRL2, 4, 11, da9055_release_rate_txt);
+
+/* ALC Hold Time select */
+static const char * const da9055_hold_time_txt[] = {
+	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
+	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
+	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
+};
+
+static const struct soc_enum da9055_hold_time =
+	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 0, 16, da9055_hold_time_txt);
+
+static int da9055_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
+{
+	int mid_data, top_data;
+	int sum = 0;
+	u8 iteration;
+
+	for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
+	     iteration++) {
+		/* Select the left or right channel and capture data */
+		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
+
+		/* Select middle 8 bits for read back from data register */
+		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
+			      reg_val | DA9055_ALC_DATA_MIDDLE);
+		mid_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
+
+		/* Select top 8 bits for read back from data register */
+		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
+			      reg_val | DA9055_ALC_DATA_TOP);
+		top_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
+
+		sum += ((mid_data << 8) | (top_data << 16));
+	}
+
+	return sum / DA9055_ALC_AVG_ITERATIONS;
+}
+
+static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 reg_val, adc_left, adc_right;
+	int avg_left_data, avg_right_data, offset_l, offset_r;
+
+	if (ucontrol->value.integer.value[0]) {
+		/*
+		 * While enabling ALC (or ALC sync mode), calibration of the DC
+		 * offsets must be done first
+		 */
+
+		/* Save current values from ADC control registers */
+		adc_left = snd_soc_read(codec, DA9055_ADC_L_CTRL);
+		adc_right = snd_soc_read(codec, DA9055_ADC_R_CTRL);
+
+		/* Enable ADC Left and Right */
+		snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
+				    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
+		snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
+				    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
+
+		/* Calculate average for Left and Right data */
+		/* Left Data */
+		avg_left_data = da9055_get_alc_data(codec,
+				DA9055_ALC_CIC_OP_CHANNEL_LEFT);
+		/* Right Data */
+		avg_right_data = da9055_get_alc_data(codec,
+				 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
+
+		/* Calculate DC offset */
+		offset_l = -avg_left_data;
+		offset_r = -avg_right_data;
+
+		reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
+		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_L, reg_val);
+		reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
+		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_L, reg_val);
+
+		reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
+		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_R, reg_val);
+		reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
+		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_R, reg_val);
+
+		/* Restore original values of ADC control registers */
+		snd_soc_write(codec, DA9055_ADC_L_CTRL, adc_left);
+		snd_soc_write(codec, DA9055_ADC_R_CTRL, adc_right);
+	}
+
+	return snd_soc_put_volsw(kcontrol, ucontrol);
+}
+
+static const struct snd_kcontrol_new da9055_snd_controls[] = {
+
+	/* Volume controls */
+	SOC_DOUBLE_R_TLV("Mic Volume",
+			 DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
+			 0, 0x7, 0, mic_vol_tlv),
+	SOC_DOUBLE_R_TLV("Aux Volume",
+			 DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
+			 0, 0x3f, 0, aux_vol_tlv),
+	SOC_DOUBLE_R_TLV("Mixin PGA Volume",
+			 DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
+			 0, 0xf, 0, mixin_gain_tlv),
+	SOC_DOUBLE_R_TLV("ADC Volume",
+			 DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
+			 0, 0x7f, 0, digital_gain_tlv),
+
+	SOC_DOUBLE_R_TLV("DAC Volume",
+			 DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
+			 0, 0x7f, 0, digital_gain_tlv),
+	SOC_DOUBLE_R_TLV("Headphone Volume",
+			 DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
+			 0, 0x3f, 0, hp_vol_tlv),
+	SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
+		       lineout_vol_tlv),
+
+	/* DAC Equalizer controls */
+	SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
+	SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
+		       eq_gain_tlv),
+	SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
+		       eq_gain_tlv),
+	SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
+		       eq_gain_tlv),
+	SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
+		       eq_gain_tlv),
+	SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
+		       eq_gain_tlv),
+
+	/* High Pass Filter and Voice Mode controls */
+	SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
+	SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
+	SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
+	SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
+
+	SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
+	SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
+	SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
+	SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
+
+	/* Mute controls */
+	SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
+		     DA9055_MIC_R_CTRL, 6, 1, 0),
+	SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
+		     DA9055_AUX_R_CTRL, 6, 1, 0),
+	SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
+		     DA9055_MIXIN_R_CTRL, 6, 1, 0),
+	SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
+		     DA9055_ADC_R_CTRL, 6, 1, 0),
+	SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
+		     DA9055_HP_R_CTRL, 6, 1, 0),
+	SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
+	SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
+	SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
+
+	/* Zero Cross controls */
+	SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
+		     DA9055_AUX_R_CTRL, 4, 1, 0),
+	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
+		     DA9055_MIXIN_R_CTRL, 4, 1, 0),
+	SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
+		     DA9055_HP_R_CTRL, 4, 1, 0),
+	SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
+
+	/* Gain Ramping controls */
+	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
+		     DA9055_AUX_R_CTRL, 5, 1, 0),
+	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
+		     DA9055_MIXIN_R_CTRL, 5, 1, 0),
+	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
+		     DA9055_ADC_R_CTRL, 5, 1, 0),
+	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
+		     DA9055_DAC_R_CTRL, 5, 1, 0),
+	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
+		     DA9055_HP_R_CTRL, 5, 1, 0),
+	SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
+	SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
+
+	/* DAC Noise Gate controls */
+	SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
+	SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
+		   0, 0x7, 0),
+	SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
+		   0, 0x7, 0),
+	SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
+	SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
+	SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
+
+	/* DAC Invertion control */
+	SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
+	SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
+
+	/* DMIC controls */
+	SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
+		     DA9055_MIXIN_R_SELECT, 7, 1, 0),
+
+	/* ALC Controls */
+	SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
+		       snd_soc_get_volsw, da9055_put_alc_sw),
+	SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
+		       snd_soc_get_volsw, da9055_put_alc_sw),
+	SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
+	SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
+		   7, 1, 0),
+	SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
+		   0, 0x7f, 0),
+	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
+		       0, 0x3f, 1, alc_threshold_tlv),
+	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
+		       0, 0x3f, 1, alc_threshold_tlv),
+	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
+		       0, 0x3f, 1, alc_threshold_tlv),
+	SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
+		       4, 0xf, 0, alc_gain_tlv),
+	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
+		       0, 0xf, 0, alc_gain_tlv),
+	SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
+		       DA9055_ALC_ANA_GAIN_LIMITS,
+		       0, 0x7, 0, alc_analog_gain_tlv),
+	SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
+		       DA9055_ALC_ANA_GAIN_LIMITS,
+		       4, 0x7, 0, alc_analog_gain_tlv),
+	SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
+	SOC_ENUM("ALC Release Rate", da9055_release_rate),
+	SOC_ENUM("ALC Hold Time", da9055_hold_time),
+	/*
+	 * Rate at which input signal envelope is tracked as the signal gets
+	 * larger
+	 */
+	SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
+	/*
+	 * Rate at which input signal envelope is tracked as the signal gets
+	 * smaller
+	 */
+	SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
+};
+
+/* DAPM Controls */
+
+/* Mic PGA Left Source */
+static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
+SOC_DAPM_ENUM("Route", da9055_mic_l_src);
+
+/* Mic PGA Right Source */
+static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
+SOC_DAPM_ENUM("Route", da9055_mic_r_src);
+
+/* In Mixer Left */
+static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
+	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
+	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
+	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
+};
+
+/* In Mixer Right */
+static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
+	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
+	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
+	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
+};
+
+/* DAC Left Source */
+static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
+SOC_DAPM_ENUM("Route", da9055_dac_l_src);
+
+/* DAC Right Source */
+static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
+SOC_DAPM_ENUM("Route", da9055_dac_r_src);
+
+/* Out Mixer Left */
+static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
+	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
+	SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
+	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
+			4, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
+			5, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
+			6, 1, 0),
+};
+
+/* Out Mixer Right */
+static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
+	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
+	SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
+	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
+			4, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
+			5, 1, 0),
+	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
+			6, 1, 0),
+};
+
+/* DAPM widgets */
+static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
+	/* Input Side */
+
+	/* Input Lines */
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_INPUT("MIC2"),
+	SND_SOC_DAPM_INPUT("AUXL"),
+	SND_SOC_DAPM_INPUT("AUXR"),
+
+	/* MUXs for Mic PGA source selection */
+	SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
+			 &da9055_mic_l_mux_controls),
+	SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
+			 &da9055_mic_r_mux_controls),
+
+	/* Input PGAs */
+	SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
+
+	/* Input Mixers */
+	SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
+			   &da9055_dapm_mixinl_controls[0],
+			   ARRAY_SIZE(da9055_dapm_mixinl_controls)),
+	SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
+			   &da9055_dapm_mixinr_controls[0],
+			   ARRAY_SIZE(da9055_dapm_mixinr_controls)),
+
+	/* ADCs */
+	SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
+	SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
+
+	/* Output Side */
+
+	/* MUXs for DAC source selection */
+	SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
+			 &da9055_dac_l_mux_controls),
+	SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
+			 &da9055_dac_r_mux_controls),
+
+	/* AIF input */
+	SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
+
+	/* DACs */
+	SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
+	SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
+
+	/* Output Mixers */
+	SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
+			   &da9055_dapm_mixoutl_controls[0],
+			   ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
+	SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
+			   &da9055_dapm_mixoutr_controls[0],
+			   ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
+
+	/* Output PGAs */
+	SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
+
+	/* Output Lines */
+	SND_SOC_DAPM_OUTPUT("HPL"),
+	SND_SOC_DAPM_OUTPUT("HPR"),
+	SND_SOC_DAPM_OUTPUT("LINE"),
+};
+
+/* DAPM audio route definition */
+static const struct snd_soc_dapm_route da9055_audio_map[] = {
+	/* Dest       Connecting Widget    source */
+
+	/* Input path */
+	{"Mic Left Source", "MIC1_P_N", "MIC1"},
+	{"Mic Left Source", "MIC1_P", "MIC1"},
+	{"Mic Left Source", "MIC1_N", "MIC1"},
+	{"Mic Left Source", "MIC2_L", "MIC2"},
+
+	{"Mic Right Source", "MIC2_R_L", "MIC2"},
+	{"Mic Right Source", "MIC2_R", "MIC2"},
+	{"Mic Right Source", "MIC2_L", "MIC2"},
+
+	{"Mic Left", NULL, "Mic Left Source"},
+	{"Mic Right", NULL, "Mic Right Source"},
+
+	{"Aux Left", NULL, "AUXL"},
+	{"Aux Right", NULL, "AUXR"},
+
+	{"In Mixer Left", "Mic Left Switch", "Mic Left"},
+	{"In Mixer Left", "Mic Right Switch", "Mic Right"},
+	{"In Mixer Left", "Aux Left Switch", "Aux Left"},
+
+	{"In Mixer Right", "Mic Right Switch", "Mic Right"},
+	{"In Mixer Right", "Mic Left Switch", "Mic Left"},
+	{"In Mixer Right", "Aux Right Switch", "Aux Right"},
+	{"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
+
+	{"MIXIN Left", NULL, "In Mixer Left"},
+	{"ADC Left", NULL, "MIXIN Left"},
+
+	{"MIXIN Right", NULL, "In Mixer Right"},
+	{"ADC Right", NULL, "MIXIN Right"},
+
+	{"ADC Left", NULL, "AIF"},
+	{"ADC Right", NULL, "AIF"},
+
+	/* Output path */
+	{"AIFIN Left", NULL, "AIF"},
+	{"AIFIN Right", NULL, "AIF"},
+
+	{"DAC Left Source", "ADC output left", "ADC Left"},
+	{"DAC Left Source", "ADC output right", "ADC Right"},
+	{"DAC Left Source", "AIF input left", "AIFIN Left"},
+	{"DAC Left Source", "AIF input right", "AIFIN Right"},
+
+	{"DAC Right Source", "ADC output left", "ADC Left"},
+	{"DAC Right Source", "ADC output right", "ADC Right"},
+	{"DAC Right Source", "AIF input left", "AIFIN Left"},
+	{"DAC Right Source", "AIF input right", "AIFIN Right"},
+
+	{"DAC Left", NULL, "DAC Left Source"},
+	{"DAC Right", NULL, "DAC Right Source"},
+
+	{"Out Mixer Left", "Aux Left Switch", "Aux Left"},
+	{"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
+	{"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
+	{"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
+	{"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
+	{"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
+	{"Out Mixer Left", "DAC Left Switch", "DAC Left"},
+
+	{"Out Mixer Right", "Aux Right Switch", "Aux Right"},
+	{"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
+	{"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
+	{"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
+	{"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
+	{"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
+	{"Out Mixer Right", "DAC Right Switch", "DAC Right"},
+
+	{"MIXOUT Left", NULL, "Out Mixer Left"},
+	{"Headphone Left", NULL, "MIXOUT Left"},
+	{"Headphone Left", NULL, "Charge Pump"},
+	{"HPL", NULL, "Headphone Left"},
+
+	{"MIXOUT Right", NULL, "Out Mixer Right"},
+	{"Headphone Right", NULL, "MIXOUT Right"},
+	{"Headphone Right", NULL, "Charge Pump"},
+	{"HPR", NULL, "Headphone Right"},
+
+	{"MIXOUT Right", NULL, "Out Mixer Right"},
+	{"Lineout", NULL, "MIXOUT Right"},
+	{"LINE", NULL, "Lineout"},
+};
+
+/* Codec private data */
+struct da9055_priv {
+	struct regmap *regmap;
+	unsigned int mclk_rate;
+	int master;
+	struct da9055_platform_data *pdata;
+};
+
+static struct reg_default da9055_reg_defaults[] = {
+	{ 0x21, 0x10 },
+	{ 0x22, 0x0A },
+	{ 0x23, 0x00 },
+	{ 0x24, 0x00 },
+	{ 0x25, 0x00 },
+	{ 0x26, 0x00 },
+	{ 0x27, 0x0C },
+	{ 0x28, 0x01 },
+	{ 0x29, 0x08 },
+	{ 0x2A, 0x32 },
+	{ 0x2B, 0x00 },
+	{ 0x30, 0x35 },
+	{ 0x31, 0x35 },
+	{ 0x32, 0x00 },
+	{ 0x33, 0x00 },
+	{ 0x34, 0x03 },
+	{ 0x35, 0x03 },
+	{ 0x36, 0x6F },
+	{ 0x37, 0x6F },
+	{ 0x38, 0x80 },
+	{ 0x39, 0x01 },
+	{ 0x3A, 0x01 },
+	{ 0x40, 0x00 },
+	{ 0x41, 0x88 },
+	{ 0x42, 0x88 },
+	{ 0x43, 0x08 },
+	{ 0x44, 0x80 },
+	{ 0x45, 0x6F },
+	{ 0x46, 0x6F },
+	{ 0x47, 0x61 },
+	{ 0x48, 0x35 },
+	{ 0x49, 0x35 },
+	{ 0x4A, 0x35 },
+	{ 0x4B, 0x00 },
+	{ 0x4C, 0x00 },
+	{ 0x60, 0x44 },
+	{ 0x61, 0x44 },
+	{ 0x62, 0x00 },
+	{ 0x63, 0x40 },
+	{ 0x64, 0x40 },
+	{ 0x65, 0x40 },
+	{ 0x66, 0x40 },
+	{ 0x67, 0x40 },
+	{ 0x68, 0x40 },
+	{ 0x69, 0x48 },
+	{ 0x6A, 0x40 },
+	{ 0x6B, 0x41 },
+	{ 0x6C, 0x40 },
+	{ 0x6D, 0x40 },
+	{ 0x6E, 0x10 },
+	{ 0x6F, 0x10 },
+	{ 0x90, 0x80 },
+	{ 0x92, 0x02 },
+	{ 0x93, 0x00 },
+	{ 0x99, 0x00 },
+	{ 0x9A, 0x00 },
+	{ 0x9B, 0x00 },
+	{ 0x9C, 0x3F },
+	{ 0x9D, 0x00 },
+	{ 0x9E, 0x3F },
+	{ 0x9F, 0xFF },
+	{ 0xA0, 0x71 },
+	{ 0xA1, 0x00 },
+	{ 0xA2, 0x00 },
+	{ 0xA6, 0x00 },
+	{ 0xA7, 0x00 },
+	{ 0xAB, 0x00 },
+	{ 0xAC, 0x00 },
+	{ 0xAD, 0x00 },
+	{ 0xAF, 0x08 },
+	{ 0xB0, 0x00 },
+	{ 0xB1, 0x00 },
+	{ 0xB2, 0x00 },
+};
+
+static bool da9055_volatile_register(struct device *dev,
+				     unsigned int reg)
+{
+	switch (reg) {
+	case DA9055_STATUS1:
+	case DA9055_PLL_STATUS:
+	case DA9055_AUX_L_GAIN_STATUS:
+	case DA9055_AUX_R_GAIN_STATUS:
+	case DA9055_MIC_L_GAIN_STATUS:
+	case DA9055_MIC_R_GAIN_STATUS:
+	case DA9055_MIXIN_L_GAIN_STATUS:
+	case DA9055_MIXIN_R_GAIN_STATUS:
+	case DA9055_ADC_L_GAIN_STATUS:
+	case DA9055_ADC_R_GAIN_STATUS:
+	case DA9055_DAC_L_GAIN_STATUS:
+	case DA9055_DAC_R_GAIN_STATUS:
+	case DA9055_HP_L_GAIN_STATUS:
+	case DA9055_HP_R_GAIN_STATUS:
+	case DA9055_LINE_GAIN_STATUS:
+	case DA9055_ALC_CIC_OP_LVL_DATA:
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+/* Set DAI word length */
+static int da9055_hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
+	u8 aif_ctrl, fs;
+	u32 sysclk;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		aif_ctrl = DA9055_AIF_WORD_S16_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		aif_ctrl = DA9055_AIF_WORD_S20_3LE;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		aif_ctrl = DA9055_AIF_WORD_S24_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S32_LE:
+		aif_ctrl = DA9055_AIF_WORD_S32_LE;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Set AIF format */
+	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
+			    aif_ctrl);
+
+	switch (params_rate(params)) {
+	case 8000:
+		fs		= DA9055_SR_8000;
+		sysclk		= 3072000;
+		break;
+	case 11025:
+		fs		= DA9055_SR_11025;
+		sysclk		= 2822400;
+		break;
+	case 12000:
+		fs		= DA9055_SR_12000;
+		sysclk		= 3072000;
+		break;
+	case 16000:
+		fs		= DA9055_SR_16000;
+		sysclk		= 3072000;
+		break;
+	case 22050:
+		fs		= DA9055_SR_22050;
+		sysclk		= 2822400;
+		break;
+	case 32000:
+		fs		= DA9055_SR_32000;
+		sysclk		= 3072000;
+		break;
+	case 44100:
+		fs		= DA9055_SR_44100;
+		sysclk		= 2822400;
+		break;
+	case 48000:
+		fs		= DA9055_SR_48000;
+		sysclk		= 3072000;
+		break;
+	case 88200:
+		fs		= DA9055_SR_88200;
+		sysclk		= 2822400;
+		break;
+	case 96000:
+		fs		= DA9055_SR_96000;
+		sysclk		= 3072000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (da9055->mclk_rate) {
+		/* PLL Mode, Write actual FS */
+		snd_soc_write(codec, DA9055_SR, fs);
+	} else {
+		/*
+		 * Non-PLL Mode
+		 * When PLL is bypassed, chip assumes constant MCLK of
+		 * 12.288MHz and uses sample rate value to divide this MCLK
+		 * to derive its sys clk. As sys clk has to be 256 * Fs, we
+		 * need to write constant sample rate i.e. 48KHz.
+		 */
+		snd_soc_write(codec, DA9055_SR, DA9055_SR_48000);
+	}
+
+	if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
+		/* PLL Mode */
+		if (!da9055->master) {
+			/* PLL slave mode, enable PLL and also SRM */
+			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
+					    DA9055_PLL_EN | DA9055_PLL_SRM_EN,
+					    DA9055_PLL_EN | DA9055_PLL_SRM_EN);
+		} else {
+			/* PLL master mode, only enable PLL */
+			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
+					    DA9055_PLL_EN, DA9055_PLL_EN);
+		}
+	} else {
+		/* Non PLL Mode, disable PLL */
+		snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
+	}
+
+	return 0;
+}
+
+/* Set DAI mode and Format */
+static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
+	u8 aif_clk_mode, aif_ctrl, mode;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		/* DA9055 in I2S Master Mode */
+		mode = 1;
+		aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		/* DA9055 in I2S Slave Mode */
+		mode = 0;
+		aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Don't allow change of mode if PLL is enabled */
+	if ((snd_soc_read(codec, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
+	    (da9055->master != mode))
+		return -EINVAL;
+
+	da9055->master = mode;
+
+	/* Only I2S is supported */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* By default only 32 BCLK per WCLK is supported */
+	aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
+
+	snd_soc_update_bits(codec, DA9055_AIF_CLK_MODE,
+			    (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
+			    aif_clk_mode);
+	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
+			    aif_ctrl);
+	return 0;
+}
+
+static int da9055_mute(struct snd_soc_dai *dai, int mute)
+{
+	struct snd_soc_codec *codec = dai->codec;
+
+	if (mute) {
+		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
+				    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
+		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
+				    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
+	} else {
+		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
+				    DA9055_DAC_L_MUTE_EN, 0);
+		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
+				    DA9055_DAC_R_MUTE_EN, 0);
+	}
+
+	return 0;
+}
+
+#define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+				 int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
+
+	switch (clk_id) {
+	case DA9055_CLKSRC_MCLK:
+		switch (freq) {
+		case 11289600:
+		case 12000000:
+		case 12288000:
+		case 13000000:
+		case 13500000:
+		case 14400000:
+		case 19200000:
+		case 19680000:
+		case 19800000:
+			da9055->mclk_rate = freq;
+			return 0;
+		default:
+			dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
+				freq);
+			return -EINVAL;
+		}
+		break;
+	default:
+		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
+		return -EINVAL;
+	}
+}
+
+/*
+ * da9055_set_dai_pll	: Configure the codec PLL
+ * @param codec_dai	: Pointer to codec DAI
+ * @param pll_id	: da9055 has only one pll, so pll_id is always zero
+ * @param fref		: Input MCLK frequency
+ * @param fout		: FsDM value
+ * @return int		: Zero for success, negative error code for error
+ *
+ * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
+ *	 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
+ */
+static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
+			      int source, unsigned int fref, unsigned int fout)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
+
+	u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
+
+	/* Disable PLL before setting the divisors */
+	snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
+
+	/* In slave mode, there is only one set of divisors */
+	if (!da9055->master && (fout != 2822400))
+		goto pll_err;
+
+	/* Search pll div array for correct divisors */
+	for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
+		/* Check fref, mode  and fout */
+		if ((fref == da9055_pll_div[cnt].fref) &&
+		    (da9055->master ==  da9055_pll_div[cnt].mode) &&
+		    (fout == da9055_pll_div[cnt].fout)) {
+			/* All match, pick up divisors */
+			pll_frac_top = da9055_pll_div[cnt].frac_top;
+			pll_frac_bot = da9055_pll_div[cnt].frac_bot;
+			pll_integer = da9055_pll_div[cnt].integer;
+			break;
+		}
+	}
+	if (cnt >= ARRAY_SIZE(da9055_pll_div))
+		goto pll_err;
+
+	/* Write PLL dividers */
+	snd_soc_write(codec, DA9055_PLL_FRAC_TOP, pll_frac_top);
+	snd_soc_write(codec, DA9055_PLL_FRAC_BOT, pll_frac_bot);
+	snd_soc_write(codec, DA9055_PLL_INTEGER, pll_integer);
+
+	return 0;
+pll_err:
+	dev_err(codec_dai->dev, "Error in setting up PLL\n");
+	return -EINVAL;
+}
+
+/* DAI operations */
+static const struct snd_soc_dai_ops da9055_dai_ops = {
+	.hw_params	= da9055_hw_params,
+	.set_fmt	= da9055_set_dai_fmt,
+	.set_sysclk	= da9055_set_dai_sysclk,
+	.set_pll	= da9055_set_dai_pll,
+	.digital_mute	= da9055_mute,
+};
+
+static struct snd_soc_dai_driver da9055_dai = {
+	.name = "da9055-hifi",
+	/* Playback Capabilities */
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_96000,
+		.formats = DA9055_FORMATS,
+	},
+	/* Capture Capabilities */
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_96000,
+		.formats = DA9055_FORMATS,
+	},
+	.ops = &da9055_dai_ops,
+	.symmetric_rates = 1,
+};
+
+static int da9055_set_bias_level(struct snd_soc_codec *codec,
+				 enum snd_soc_bias_level level)
+{
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+			/* Enable VMID reference & master bias */
+			snd_soc_update_bits(codec, DA9055_REFERENCES,
+					    DA9055_VMID_EN | DA9055_BIAS_EN,
+					    DA9055_VMID_EN | DA9055_BIAS_EN);
+		}
+		break;
+	case SND_SOC_BIAS_OFF:
+		/* Disable VMID reference & master bias */
+		snd_soc_update_bits(codec, DA9055_REFERENCES,
+				    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
+		break;
+	}
+	codec->dapm.bias_level = level;
+	return 0;
+}
+
+static int da9055_probe(struct snd_soc_codec *codec)
+{
+	int ret;
+	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
+
+	codec->control_data = da9055->regmap;
+	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+		return ret;
+	}
+
+	/* Enable all Gain Ramps */
+	snd_soc_update_bits(codec, DA9055_AUX_L_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_AUX_R_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_HP_L_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_HP_R_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+	snd_soc_update_bits(codec, DA9055_LINE_CTRL,
+			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
+
+	/*
+	 * There are two separate control bits for input and output mixers as
+	 * well as headphone and line outs.
+	 * One to enable corresponding amplifier and other to enable its
+	 * output. As amplifier bits are related to power control, they are
+	 * being managed by DAPM while other (non power related) bits are
+	 * enabled here
+	 */
+	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
+			    DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
+	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
+			    DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
+
+	snd_soc_update_bits(codec, DA9055_MIXOUT_L_CTRL,
+			    DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
+	snd_soc_update_bits(codec, DA9055_MIXOUT_R_CTRL,
+			    DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
+
+	snd_soc_update_bits(codec, DA9055_HP_L_CTRL,
+			    DA9055_HP_L_AMP_OE, DA9055_HP_L_AMP_OE);
+	snd_soc_update_bits(codec, DA9055_HP_R_CTRL,
+			    DA9055_HP_R_AMP_OE, DA9055_HP_R_AMP_OE);
+
+	snd_soc_update_bits(codec, DA9055_LINE_CTRL,
+			    DA9055_LINE_AMP_OE, DA9055_LINE_AMP_OE);
+
+	/* Set this as per your system configuration */
+	snd_soc_write(codec, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
+
+	/* Set platform data values */
+	if (da9055->pdata) {
+		/* set mic bias source */
+		if (da9055->pdata->micbias_source) {
+			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
+					    DA9055_MICBIAS2_EN,
+					    DA9055_MICBIAS2_EN);
+		} else {
+			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
+					    DA9055_MICBIAS2_EN, 0);
+		}
+		/* set mic bias voltage */
+		switch (da9055->pdata->micbias) {
+		case DA9055_MICBIAS_2_2V:
+		case DA9055_MICBIAS_2_1V:
+		case DA9055_MICBIAS_1_8V:
+		case DA9055_MICBIAS_1_6V:
+			snd_soc_update_bits(codec, DA9055_MIC_CONFIG,
+					    DA9055_MICBIAS_LEVEL_MASK,
+					    (da9055->pdata->micbias) << 4);
+			break;
+		}
+	}
+	return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_da9055 = {
+	.probe			= da9055_probe,
+	.set_bias_level		= da9055_set_bias_level,
+
+	.controls		= da9055_snd_controls,
+	.num_controls		= ARRAY_SIZE(da9055_snd_controls),
+
+	.dapm_widgets		= da9055_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(da9055_dapm_widgets),
+	.dapm_routes		= da9055_audio_map,
+	.num_dapm_routes	= ARRAY_SIZE(da9055_audio_map),
+};
+
+static const struct regmap_config da9055_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.reg_defaults = da9055_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
+	.volatile_reg = da9055_volatile_register,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static int __devinit da9055_i2c_probe(struct i2c_client *i2c,
+				      const struct i2c_device_id *id)
+{
+	struct da9055_priv *da9055;
+	struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
+	int ret;
+
+	da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
+			      GFP_KERNEL);
+	if (!da9055)
+		return -ENOMEM;
+
+	if (pdata)
+		da9055->pdata = pdata;
+
+	i2c_set_clientdata(i2c, da9055);
+
+	da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
+	if (IS_ERR(da9055->regmap)) {
+		ret = PTR_ERR(da9055->regmap);
+		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_register_codec(&i2c->dev,
+			&soc_codec_dev_da9055, &da9055_dai, 1);
+	if (ret < 0) {
+		dev_err(&i2c->dev, "Failed to register da9055 codec: %d\n",
+			ret);
+	}
+	return ret;
+}
+
+static int __devexit da9055_remove(struct i2c_client *client)
+{
+	snd_soc_unregister_codec(&client->dev);
+	return 0;
+}
+
+static const struct i2c_device_id da9055_i2c_id[] = {
+	{ "da9055", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
+
+/* I2C codec control layer */
+static struct i2c_driver da9055_i2c_driver = {
+	.driver = {
+		.name = "da9055",
+		.owner = THIS_MODULE,
+	},
+	.probe		= da9055_i2c_probe,
+	.remove		= __devexit_p(da9055_remove),
+	.id_table	= da9055_i2c_id,
+};
+
+module_i2c_driver(da9055_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
+MODULE_AUTHOR("David Chen, Ashish Chavan");
+MODULE_LICENSE("GPL");