Quelle  da7213.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * DA7213 ALSA SoC Codec Driver
 *
 * Copyright (c) 2013 Dialog Semiconductor
 *
 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
 * Based on DA9055 ALSA SoC codec driver.
 */

#include <linux/acpi.h>
#include <linux/of.h>
#include <linux/property.h>
#include <linux/clk.h>
#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 <linux/pm_runtime.h>
#include <linux/units.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>

#include <sound/da7213.h>
#include "da7213.h"


/* Gain and Volume */
static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
 /* -54dB */
 0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
 /* -52.5dB to 15dB */
 0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
);

static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
 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 DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
 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);
static const DECLARE_TLV_DB_SCALE(da7213_tonegen_gain_tlv, -4500, 300, 0);

/* ADC and DAC voice mode (8kHz) high pass cutoff value */
static const char * const da7213_voice_hpf_corner_txt[] = {
 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
       DA7213_DAC_FILTERS1,
       DA7213_VOICE_HPF_CORNER_SHIFT,
       da7213_voice_hpf_corner_txt);

static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
       DA7213_ADC_FILTERS1,
       DA7213_VOICE_HPF_CORNER_SHIFT,
       da7213_voice_hpf_corner_txt);

/* ADC and DAC high pass filter cutoff value */
static const char * const da7213_audio_hpf_corner_txt[] = {
 "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
       DA7213_DAC_FILTERS1
       , DA7213_AUDIO_HPF_CORNER_SHIFT,
       da7213_audio_hpf_corner_txt);

static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
       DA7213_ADC_FILTERS1,
       DA7213_AUDIO_HPF_CORNER_SHIFT,
       da7213_audio_hpf_corner_txt);

static const char * const da7213_tonegen_dtmf_key_txt[] = {
 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
 "*", "#"
};

static const struct soc_enum da7213_tonegen_dtmf_key =
 SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG1, DA7213_DTMF_REG_SHIFT,
   DA7213_DTMF_REG_MAX, da7213_tonegen_dtmf_key_txt);

static const char * const da7213_tonegen_swg_sel_txt[] = {
 "Sum", "SWG1", "SWG2", "Sum"
};

static const struct soc_enum da7213_tonegen_swg_sel =
 SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG2, DA7213_SWG_SEL_SHIFT,
   DA7213_SWG_SEL_MAX, da7213_tonegen_swg_sel_txt);

/* Gain ramping rate value */
static const char * const da7213_gain_ramp_rate_txt[] = {
 "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
 "nominal rate / 32"
};

static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
       DA7213_GAIN_RAMP_CTRL,
       DA7213_GAIN_RAMP_RATE_SHIFT,
       da7213_gain_ramp_rate_txt);

/* DAC noise gate setup time value */
static const char * const da7213_dac_ng_setup_time_txt[] = {
 "256 samples", "512 samples", "1024 samples", "2048 samples"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
       DA7213_DAC_NG_SETUP_TIME,
       DA7213_DAC_NG_SETUP_TIME_SHIFT,
       da7213_dac_ng_setup_time_txt);

/* DAC noise gate rampup rate value */
static const char * const da7213_dac_ng_rampup_txt[] = {
 "0.02 ms/dB", "0.16 ms/dB"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
       DA7213_DAC_NG_SETUP_TIME,
       DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
       da7213_dac_ng_rampup_txt);

/* DAC noise gate rampdown rate value */
static const char * const da7213_dac_ng_rampdown_txt[] = {
 "0.64 ms/dB", "20.48 ms/dB"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
       DA7213_DAC_NG_SETUP_TIME,
       DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
       da7213_dac_ng_rampdown_txt);

/* DAC soft mute rate value */
static const char * const da7213_dac_soft_mute_rate_txt[] = {
 "1", "2", "4", "8", "16", "32", "64"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
       DA7213_DAC_FILTERS5,
       DA7213_DAC_SOFTMUTE_RATE_SHIFT,
       da7213_dac_soft_mute_rate_txt);

/* ALC Attack Rate select */
static const char * const da7213_alc_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 SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
       DA7213_ALC_CTRL2,
       DA7213_ALC_ATTACK_SHIFT,
       da7213_alc_attack_rate_txt);

/* ALC Release Rate select */
static const char * const da7213_alc_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 SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
       DA7213_ALC_CTRL2,
       DA7213_ALC_RELEASE_SHIFT,
       da7213_alc_release_rate_txt);

/* ALC Hold Time select */
static const char * const da7213_alc_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 SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
       DA7213_ALC_CTRL3,
       DA7213_ALC_HOLD_SHIFT,
       da7213_alc_hold_time_txt);

/* ALC Input Signal Tracking rate select */
static const char * const da7213_alc_integ_rate_txt[] = {
 "1/4", "1/16", "1/256", "1/65536"
};

static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
       DA7213_ALC_CTRL3,
       DA7213_ALC_INTEG_ATTACK_SHIFT,
       da7213_alc_integ_rate_txt);

static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
       DA7213_ALC_CTRL3,
       DA7213_ALC_INTEG_RELEASE_SHIFT,
       da7213_alc_integ_rate_txt);


/*
 * Control Functions
 */

/* Locked Kcontrol calls */
static int da7213_volsw_locked_get(struct snd_kcontrol *kcontrol,
       struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 mutex_lock(&da7213->ctrl_lock);
 ret = snd_soc_get_volsw(kcontrol, ucontrol);
 mutex_unlock(&da7213->ctrl_lock);

 return ret;
}

static int da7213_volsw_locked_put(struct snd_kcontrol *kcontrol,
       struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 mutex_lock(&da7213->ctrl_lock);
 ret = snd_soc_put_volsw(kcontrol, ucontrol);
 mutex_unlock(&da7213->ctrl_lock);

 return ret;
}

static int da7213_enum_locked_get(struct snd_kcontrol *kcontrol,
    struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 mutex_lock(&da7213->ctrl_lock);
 ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 mutex_unlock(&da7213->ctrl_lock);

 return ret;
}

static int da7213_enum_locked_put(struct snd_kcontrol *kcontrol,
    struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 mutex_lock(&da7213->ctrl_lock);
 ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 mutex_unlock(&da7213->ctrl_lock);

 return ret;
}

/* ALC */
static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
{
 int mid_data, top_data;
 int sum = 0;
 u8 iteration;

 for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
      iteration++) {
  /* Select the left or right channel and capture data */
  snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);

  /* Select middle 8 bits for read back from data register */
  snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
         reg_val | DA7213_ALC_DATA_MIDDLE);
  mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);

  /* Select top 8 bits for read back from data register */
  snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
         reg_val | DA7213_ALC_DATA_TOP);
  top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);

  sum += ((mid_data << 8) | (top_data << 16));
 }

 return sum / DA7213_ALC_AVG_ITERATIONS;
}

static void da7213_alc_calib_man(struct snd_soc_component *component)
{
 u8 reg_val;
 int avg_left_data, avg_right_data, offset_l, offset_r;

 /* Calculate average for Left and Right data */
 /* Left Data */
 avg_left_data = da7213_get_alc_data(component,
   DA7213_ALC_CIC_OP_CHANNEL_LEFT);
 /* Right Data */
 avg_right_data = da7213_get_alc_data(component,
    DA7213_ALC_CIC_OP_CHANNEL_RIGHT);

 /* Calculate DC offset */
 offset_l = -avg_left_data;
 offset_r = -avg_right_data;

 reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
 reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);

 reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
 reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);

 /* Enable analog/digital gain mode & offset cancellation */
 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
       DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
       DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
}

static void da7213_alc_calib_auto(struct snd_soc_component *component)
{
 u8 alc_ctrl1;

 /* Begin auto calibration and wait for completion */
 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
       DA7213_ALC_AUTO_CALIB_EN);
 do {
  alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
 } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);

 /* If auto calibration fails, fall back to digital gain only mode */
 if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
  dev_warn(component->dev,
    "ALC auto calibration failed with overflow\n");
  snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
        DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
        0);
 } else {
  /* Enable analog/digital gain mode & offset cancellation */
  snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
        DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
        DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 }

}

static void da7213_alc_calib(struct snd_soc_component *component)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 u8 adc_l_ctrl, adc_r_ctrl;
 u8 mixin_l_sel, mixin_r_sel;
 u8 mic_1_ctrl, mic_2_ctrl;

 /* Save current values from ADC control registers */
 adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
 adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);

 /* Save current values from MIXIN_L/R_SELECT registers */
 mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
 mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);

 /* Save current values from MIC control registers */
 mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
 mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);

 /* Enable ADC Left and Right */
 snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
       DA7213_ADC_EN);
 snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
       DA7213_ADC_EN);

 /* Enable MIC paths */
 snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
       DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
       DA7213_MIXIN_L_MIX_SELECT_MIC_2,
       DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
       DA7213_MIXIN_L_MIX_SELECT_MIC_2);
 snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
       DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
       DA7213_MIXIN_R_MIX_SELECT_MIC_1,
       DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
       DA7213_MIXIN_R_MIX_SELECT_MIC_1);

 /* Mute MIC PGAs */
 snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
       DA7213_MUTE_EN);
 snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
       DA7213_MUTE_EN);

 /* Perform calibration */
 if (da7213->alc_calib_auto)
  da7213_alc_calib_auto(component);
 else
  da7213_alc_calib_man(component);

 /* Restore MIXIN_L/R_SELECT registers to their original states */
 snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
 snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);

 /* Restore ADC control registers to their original states */
 snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
 snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);

 /* Restore original values of MIC control registers */
 snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
 snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
}

static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
    struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);

 /* If ALC in operation, make sure calibrated offsets are updated */
 if ((!ret) && (da7213->alc_en))
  da7213_alc_calib(component);

 return ret;
}

static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
       struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);

 /* Force ALC offset calibration if enabling ALC */
 if (ucontrol->value.integer.value[0] ||
     ucontrol->value.integer.value[1]) {
  if (!da7213->alc_en) {
   da7213_alc_calib(component);
   da7213->alc_en = true;
  }
 } else {
  da7213->alc_en = false;
 }

 return snd_soc_put_volsw(kcontrol, ucontrol);
}

/* ToneGen */
static int da7213_tonegen_freq_get(struct snd_kcontrol *kcontrol,
       struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 struct soc_mixer_control *mixer_ctrl =
  (struct soc_mixer_control *) kcontrol->private_value;
 unsigned int reg = mixer_ctrl->reg;
 __le16 val;
 int ret;

 mutex_lock(&da7213->ctrl_lock);
 ret = regmap_raw_read(da7213->regmap, reg, &val, sizeof(val));
 mutex_unlock(&da7213->ctrl_lock);

 if (ret)
  return ret;

 /*
 * Frequency value spans two 8-bit registers, lower then upper byte.
 * Therefore we need to convert to host endianness here.
 */
 ucontrol->value.integer.value[0] = le16_to_cpu(val);

 return 0;
}

static int da7213_tonegen_freq_put(struct snd_kcontrol *kcontrol,
       struct snd_ctl_elem_value *ucontrol)
{
 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 struct soc_mixer_control *mixer_ctrl =
  (struct soc_mixer_control *) kcontrol->private_value;
 unsigned int reg = mixer_ctrl->reg;
 __le16 val_new, val_old;
 int ret;

 /*
 * Frequency value spans two 8-bit registers, lower then upper byte.
 * Therefore we need to convert to little endian here to align with
 * HW registers.
 */
 val_new = cpu_to_le16(ucontrol->value.integer.value[0]);

 mutex_lock(&da7213->ctrl_lock);
 ret = regmap_raw_read(da7213->regmap, reg, &val_old, sizeof(val_old));
 if (ret == 0 && (val_old != val_new))
  ret = regmap_raw_write(da7213->regmap, reg,
    &val_new, sizeof(val_new));
 mutex_unlock(&da7213->ctrl_lock);

 if (ret < 0)
  return ret;

 return val_old != val_new;
}

/*
 * KControls
 */

static const struct snd_kcontrol_new da7213_snd_controls[] = {

 /* Volume controls */
 SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
         DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
         DA7213_NO_INVERT, mic_vol_tlv),
 SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
         DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
         DA7213_NO_INVERT, mic_vol_tlv),
 SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
    DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
    DA7213_NO_INVERT, aux_vol_tlv),
 SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
        DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
        DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
        snd_soc_get_volsw_2r, da7213_put_mixin_gain,
        mixin_gain_tlv),
 SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
    DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
    DA7213_NO_INVERT, digital_gain_tlv),
 SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
    DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
    DA7213_NO_INVERT, digital_gain_tlv),
 SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
    DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
    DA7213_NO_INVERT, hp_vol_tlv),
 SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
         DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
         DA7213_NO_INVERT, lineout_vol_tlv),

 /* DAC Equalizer controls */
 SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
     DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
 SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
         DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
         DA7213_NO_INVERT, eq_gain_tlv),
 SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
         DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
         DA7213_NO_INVERT, eq_gain_tlv),
 SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
         DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
         DA7213_NO_INVERT, eq_gain_tlv),
 SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
         DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
         DA7213_NO_INVERT, eq_gain_tlv),
 SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
         DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
         DA7213_NO_INVERT, eq_gain_tlv),

 /* High Pass Filter and Voice Mode controls */
 SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
     DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
 SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
     DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
     DA7213_NO_INVERT),
 SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),

 SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
     DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
 SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
     DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
     DA7213_NO_INVERT),
 SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),

 /* Mute controls */
 SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
     DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
     DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
       DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
       DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
       DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
       DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
       DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
     DA7213_MUTE_EN_MAX, DA7213_INVERT),
 SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
     DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
     DA7213_NO_INVERT),
 SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),

 /* Zero Cross controls */
 SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
       DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
       DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
       DA7213_NO_INVERT),
 SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
       DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),

 /* Tone Generator */
 SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7213_TONE_GEN_CFG2,
      DA7213_TONE_GEN_GAIN_SHIFT, DA7213_TONE_GEN_GAIN_MAX,
      DA7213_NO_INVERT, da7213_volsw_locked_get,
      da7213_volsw_locked_put, da7213_tonegen_gain_tlv),
 SOC_ENUM_EXT("ToneGen DTMF Key", da7213_tonegen_dtmf_key,
       da7213_enum_locked_get, da7213_enum_locked_put),
 SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7213_TONE_GEN_CFG1,
         DA7213_DTMF_EN_SHIFT, DA7213_SWITCH_EN_MAX,
         DA7213_NO_INVERT, da7213_volsw_locked_get,
         da7213_volsw_locked_put),
 SOC_SINGLE_EXT("ToneGen Start", DA7213_TONE_GEN_CFG1,
         DA7213_START_STOPN_SHIFT, DA7213_SWITCH_EN_MAX,
         DA7213_NO_INVERT, da7213_volsw_locked_get,
         da7213_volsw_locked_put),
 SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7213_tonegen_swg_sel,
       da7213_enum_locked_get, da7213_enum_locked_put),
 SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7213_TONE_GEN_FREQ1_L,
         DA7213_FREQ1_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
         da7213_tonegen_freq_get, da7213_tonegen_freq_put),
 SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7213_TONE_GEN_FREQ2_L,
         DA7213_FREQ2_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
         da7213_tonegen_freq_get, da7213_tonegen_freq_put),
 SOC_SINGLE_EXT("ToneGen On Time", DA7213_TONE_GEN_ON_PER,
         DA7213_BEEP_ON_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
         DA7213_NO_INVERT, da7213_volsw_locked_get,
         da7213_volsw_locked_put),
 SOC_SINGLE("ToneGen Off Time", DA7213_TONE_GEN_OFF_PER,
     DA7213_BEEP_OFF_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
     DA7213_NO_INVERT),

 /* Gain Ramping controls */
 SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
       DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
       DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
       DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
       DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
       DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
       DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
       DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
       DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
       DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
       DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
     DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
     DA7213_NO_INVERT),
 SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),

 /* DAC Noise Gate controls */
 SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
     DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
 SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
 SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
 SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
 SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
     DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
     DA7213_NO_INVERT),
 SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
     DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
     DA7213_NO_INVERT),

 /* DAC Routing & Inversion */
 SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
     DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
     DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
 SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
     DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
     DA7213_NO_INVERT),

 /* DMIC controls */
 SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
       DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
       DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),

 /* ALC Controls */
 SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
         DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
         DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
 SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
 SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
 SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
 /*
 * Rate at which input signal envelope is tracked as the signal gets
 * larger
 */
 SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
 /*
 * Rate at which input signal envelope is tracked as the signal gets
 * smaller
 */
 SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
 SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
         DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
         DA7213_INVERT, alc_threshold_tlv),
 SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
         DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
         DA7213_INVERT, alc_threshold_tlv),
 SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
         DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
         DA7213_INVERT, alc_threshold_tlv),
 SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
         DA7213_ALC_ATTEN_MAX_SHIFT,
         DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
         alc_gain_tlv),
 SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
         DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
         DA7213_NO_INVERT, alc_gain_tlv),
 SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
         DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
         DA7213_NO_INVERT, alc_analog_gain_tlv),
 SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
         DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
         DA7213_NO_INVERT, alc_analog_gain_tlv),
 SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
     DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
     DA7213_NO_INVERT),
 SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
     DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
     DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
};


/*
 * DAPM
 */

/*
 * Enums
 */

/* MIC PGA source select */
static const char * const da7213_mic_amp_in_sel_txt[] = {
 "Differential", "MIC_P", "MIC_N"
};

static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
       DA7213_MIC_1_CTRL,
       DA7213_MIC_AMP_IN_SEL_SHIFT,
       da7213_mic_amp_in_sel_txt);
static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
 SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);

static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
       DA7213_MIC_2_CTRL,
       DA7213_MIC_AMP_IN_SEL_SHIFT,
       da7213_mic_amp_in_sel_txt);
static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
 SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);

/* DAI routing select */
static const char * const da7213_dai_src_txt[] = {
 "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
};

static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
       DA7213_DIG_ROUTING_DAI,
       DA7213_DAI_L_SRC_SHIFT,
       da7213_dai_src_txt);
static const struct snd_kcontrol_new da7213_dai_l_src_mux =
 SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);

static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
       DA7213_DIG_ROUTING_DAI,
       DA7213_DAI_R_SRC_SHIFT,
       da7213_dai_src_txt);
static const struct snd_kcontrol_new da7213_dai_r_src_mux =
 SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);

/* DAC routing select */
static const char * const da7213_dac_src_txt[] = {
 "ADC Output Left", "ADC Output Right", "DAI Input Left",
 "DAI Input Right"
};

static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
       DA7213_DIG_ROUTING_DAC,
       DA7213_DAC_L_SRC_SHIFT,
       da7213_dac_src_txt);
static const struct snd_kcontrol_new da7213_dac_l_src_mux =
 SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);

static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
       DA7213_DIG_ROUTING_DAC,
       DA7213_DAC_R_SRC_SHIFT,
       da7213_dac_src_txt);
static const struct snd_kcontrol_new da7213_dac_r_src_mux =
 SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);

/*
 * Mixer Controls
 */

/* Mixin Left */
static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
   DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
   DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
   DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
   DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
   DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
   DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
   DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
   DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
};

/* Mixin Right */
static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
   DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
   DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
   DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
   DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
   DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
   DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
   DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
   DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
};

/* Mixout Left */
static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
   DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
   DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
};

/* Mixout Right */
static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
   DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
   DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
};


/*
 * DAPM Events
 */

static int da7213_dai_event(struct snd_soc_dapm_widget *w,
       struct snd_kcontrol *kcontrol, int event)
{
 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 u8 pll_ctrl, pll_status;
 int i = 0;
 bool srm_lock = false;

 switch (event) {
 case SND_SOC_DAPM_PRE_PMU:
  /* Enable DAI clks for master mode */
  if (da7213->master)
   snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
         DA7213_DAI_CLK_EN_MASK,
         DA7213_DAI_CLK_EN_MASK);

  /* PC synchronised to DAI */
  snd_soc_component_update_bits(component, DA7213_PC_COUNT,
        DA7213_PC_FREERUN_MASK, 0);

  /* If SRM not enabled then nothing more to do */
  pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
  if (!(pll_ctrl & DA7213_PLL_SRM_EN))
   return 0;

  /* Assist 32KHz mode PLL lock */
  if (pll_ctrl & DA7213_PLL_32K_MODE) {
   snd_soc_component_write(component, 0xF0, 0x8B);
   snd_soc_component_write(component, 0xF2, 0x03);
   snd_soc_component_write(component, 0xF0, 0x00);
  }

  /* Check SRM has locked */
  do {
   pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
   if (pll_status & DA7213_PLL_SRM_LOCK) {
    srm_lock = true;
   } else {
    ++i;
    msleep(50);
   }
  } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));

  if (!srm_lock)
   dev_warn(component->dev, "SRM failed to lock\n");

  return 0;
 case SND_SOC_DAPM_POST_PMD:
  /* Revert 32KHz PLL lock udpates if applied previously */
  pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
  if (pll_ctrl & DA7213_PLL_32K_MODE) {
   snd_soc_component_write(component, 0xF0, 0x8B);
   snd_soc_component_write(component, 0xF2, 0x01);
   snd_soc_component_write(component, 0xF0, 0x00);
  }

  /* PC free-running */
  snd_soc_component_update_bits(component, DA7213_PC_COUNT,
        DA7213_PC_FREERUN_MASK,
        DA7213_PC_FREERUN_MASK);

  /* Disable DAI clks if in master mode */
  if (da7213->master)
   snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
         DA7213_DAI_CLK_EN_MASK, 0);
  return 0;
 default:
  return -EINVAL;
 }
}


/*
 * DAPM widgets
 */

static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
 /*
 * Power Supply
 */
 SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),

 /*
 * Input & Output
 */

 /* Use a supply here as this controls both input & output DAIs */
 SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
       DA7213_NO_INVERT, da7213_dai_event,
       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),

 /*
 * Input
 */

 /* 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 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_mic_1_amp_in_sel_mux),
 SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_mic_2_amp_in_sel_mux),

 /* Input PGAs */
 SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
    DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
    DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
    DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),

 /* Mic Biases */
 SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
       DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
       NULL, 0),
 SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
       DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
       NULL, 0),

 /* Input Mixers */
 SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
      &da7213_dapm_mixinl_controls[0],
      ARRAY_SIZE(da7213_dapm_mixinl_controls)),
 SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
      &da7213_dapm_mixinr_controls[0],
      ARRAY_SIZE(da7213_dapm_mixinr_controls)),

 /* ADCs */
 SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
    DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
    DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),

 /* DAI */
 SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_dai_l_src_mux),
 SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_dai_r_src_mux),
 SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
 SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),

 /*
 * Output
 */

 /* DAI */
 SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
 SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
 SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_dac_l_src_mux),
 SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
    &da7213_dac_r_src_mux),

 /* DACs */
 SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
    DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
    DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),

 /* Output Mixers */
 SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
      &da7213_dapm_mixoutl_controls[0],
      ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
 SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
      &da7213_dapm_mixoutr_controls[0],
      ARRAY_SIZE(da7213_dapm_mixoutr_controls)),

 /* Output PGAs */
 SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
    DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
    DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),

 /* Charge Pump */
 SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
       DA7213_NO_INVERT, 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 da7213_audio_map[] = {
 /* Dest       Connecting Widget    source */

 /* Input path */
 {"Mic Bias 1", NULL, "VDDMIC"},
 {"Mic Bias 2", NULL, "VDDMIC"},

 {"MIC1", NULL, "Mic Bias 1"},
 {"MIC2", NULL, "Mic Bias 2"},

 {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
 {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
 {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},

 {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
 {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
 {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},

 {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
 {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},

 {"Aux Left PGA", NULL, "AUXL"},
 {"Aux Right PGA", NULL, "AUXR"},

 {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
 {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
 {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
 {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},

 {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
 {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
 {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
 {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},

 {"Mixin Left PGA", NULL, "Mixin Left"},
 {"ADC Left", NULL, "Mixin Left PGA"},

 {"Mixin Right PGA", NULL, "Mixin Right"},
 {"ADC Right", NULL, "Mixin Right PGA"},

 {"DAI Left Source MUX", "ADC Left", "ADC Left"},
 {"DAI Left Source MUX", "ADC Right", "ADC Right"},
 {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
 {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},

 {"DAI Right Source MUX", "ADC Left", "ADC Left"},
 {"DAI Right Source MUX", "ADC Right", "ADC Right"},
 {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
 {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},

 {"DAIOUTL", NULL, "DAI Left Source MUX"},
 {"DAIOUTR", NULL, "DAI Right Source MUX"},

 {"DAIOUTL", NULL, "DAI"},
 {"DAIOUTR", NULL, "DAI"},

 /* Output path */
 {"DAIINL", NULL, "DAI"},
 {"DAIINR", NULL, "DAI"},

 {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
 {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
 {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
 {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},

 {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
 {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
 {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
 {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},

 {"DAC Left", NULL, "DAC Left Source MUX"},
 {"DAC Right", NULL, "DAC Right Source MUX"},

 {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
 {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
 {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
 {"Mixout Left", "DAC Left Switch", "DAC Left"},
 {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
 {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
 {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},

 {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
 {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
 {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
 {"Mixout Right", "DAC Right Switch", "DAC Right"},
 {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
 {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
 {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},

 {"Mixout Left PGA", NULL, "Mixout Left"},
 {"Mixout Right PGA", NULL, "Mixout Right"},

 {"Headphone Left PGA", NULL, "Mixout Left PGA"},
 {"Headphone Left PGA", NULL, "Charge Pump"},
 {"HPL", NULL, "Headphone Left PGA"},

 {"Headphone Right PGA", NULL, "Mixout Right PGA"},
 {"Headphone Right PGA", NULL, "Charge Pump"},
 {"HPR", NULL, "Headphone Right PGA"},

 {"Lineout PGA", NULL, "Mixout Right PGA"},
 {"LINE", NULL, "Lineout PGA"},
};

static const struct reg_default da7213_reg_defaults[] = {
 { DA7213_DIG_ROUTING_DAI, 0x10 },
 { DA7213_SR, 0x0A },
 { DA7213_REFERENCES, 0x80 },
 { DA7213_PLL_FRAC_TOP, 0x00 },
 { DA7213_PLL_FRAC_BOT, 0x00 },
 { DA7213_PLL_INTEGER, 0x20 },
 { DA7213_PLL_CTRL, 0x0C },
 { DA7213_DAI_CLK_MODE, 0x01 },
 { DA7213_DAI_CTRL, 0x08 },
 { DA7213_DIG_ROUTING_DAC, 0x32 },
 { DA7213_AUX_L_GAIN, 0x35 },
 { DA7213_AUX_R_GAIN, 0x35 },
 { DA7213_MIXIN_L_SELECT, 0x00 },
 { DA7213_MIXIN_R_SELECT, 0x00 },
 { DA7213_MIXIN_L_GAIN, 0x03 },
 { DA7213_MIXIN_R_GAIN, 0x03 },
 { DA7213_ADC_L_GAIN, 0x6F },
 { DA7213_ADC_R_GAIN, 0x6F },
 { DA7213_ADC_FILTERS1, 0x80 },
 { DA7213_MIC_1_GAIN, 0x01 },
 { DA7213_MIC_2_GAIN, 0x01 },
 { DA7213_DAC_FILTERS5, 0x00 },
 { DA7213_DAC_FILTERS2, 0x88 },
 { DA7213_DAC_FILTERS3, 0x88 },
 { DA7213_DAC_FILTERS4, 0x08 },
 { DA7213_DAC_FILTERS1, 0x80 },
 { DA7213_DAC_L_GAIN, 0x6F },
 { DA7213_DAC_R_GAIN, 0x6F },
 { DA7213_CP_CTRL, 0x61 },
 { DA7213_HP_L_GAIN, 0x39 },
 { DA7213_HP_R_GAIN, 0x39 },
 { DA7213_LINE_GAIN, 0x30 },
 { DA7213_MIXOUT_L_SELECT, 0x00 },
 { DA7213_MIXOUT_R_SELECT, 0x00 },
 { DA7213_SYSTEM_MODES_INPUT, 0x00 },
 { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
 { DA7213_AUX_L_CTRL, 0x44 },
 { DA7213_AUX_R_CTRL, 0x44 },
 { DA7213_MICBIAS_CTRL, 0x11 },
 { DA7213_MIC_1_CTRL, 0x40 },
 { DA7213_MIC_2_CTRL, 0x40 },
 { DA7213_MIXIN_L_CTRL, 0x40 },
 { DA7213_MIXIN_R_CTRL, 0x40 },
 { DA7213_ADC_L_CTRL, 0x40 },
 { DA7213_ADC_R_CTRL, 0x40 },
 { DA7213_DAC_L_CTRL, 0x48 },
 { DA7213_DAC_R_CTRL, 0x40 },
 { DA7213_HP_L_CTRL, 0x41 },
 { DA7213_HP_R_CTRL, 0x40 },
 { DA7213_LINE_CTRL, 0x40 },
 { DA7213_MIXOUT_L_CTRL, 0x10 },
 { DA7213_MIXOUT_R_CTRL, 0x10 },
 { DA7213_LDO_CTRL, 0x00 },
 { DA7213_IO_CTRL, 0x00 },
 { DA7213_GAIN_RAMP_CTRL, 0x00},
 { DA7213_MIC_CONFIG, 0x00 },
 { DA7213_PC_COUNT, 0x00 },
 { DA7213_CP_VOL_THRESHOLD1, 0x32 },
 { DA7213_CP_DELAY, 0x95 },
 { DA7213_CP_DETECTOR, 0x00 },
 { DA7213_DAI_OFFSET, 0x00 },
 { DA7213_DIG_CTRL, 0x00 },
 { DA7213_ALC_CTRL2, 0x00 },
 { DA7213_ALC_CTRL3, 0x00 },
 { DA7213_ALC_NOISE, 0x3F },
 { DA7213_ALC_TARGET_MIN, 0x3F },
 { DA7213_ALC_TARGET_MAX, 0x00 },
 { DA7213_ALC_GAIN_LIMITS, 0xFF },
 { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
 { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
 { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
 { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
 { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
 { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
 { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
 { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
 { DA7213_DAC_NG_SETUP_TIME, 0x00 },
 { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
 { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
 { DA7213_DAC_NG_CTRL, 0x00 },
};

static bool da7213_volatile_register(struct device *dev, unsigned int reg)
{
 switch (reg) {
 case DA7213_STATUS1:
 case DA7213_PLL_STATUS:
 case DA7213_AUX_L_GAIN_STATUS:
 case DA7213_AUX_R_GAIN_STATUS:
 case DA7213_MIC_1_GAIN_STATUS:
 case DA7213_MIC_2_GAIN_STATUS:
 case DA7213_MIXIN_L_GAIN_STATUS:
 case DA7213_MIXIN_R_GAIN_STATUS:
 case DA7213_ADC_L_GAIN_STATUS:
 case DA7213_ADC_R_GAIN_STATUS:
 case DA7213_DAC_L_GAIN_STATUS:
 case DA7213_DAC_R_GAIN_STATUS:
 case DA7213_HP_L_GAIN_STATUS:
 case DA7213_HP_R_GAIN_STATUS:
 case DA7213_LINE_GAIN_STATUS:
 case DA7213_ALC_CTRL1:
 case DA7213_ALC_OFFSET_AUTO_M_L:
 case DA7213_ALC_OFFSET_AUTO_U_L:
 case DA7213_ALC_OFFSET_AUTO_M_R:
 case DA7213_ALC_OFFSET_AUTO_U_R:
 case DA7213_ALC_CIC_OP_LVL_DATA:
  return true;
 default:
  return false;
 }
}

static int da7213_hw_params(struct snd_pcm_substream *substream,
       struct snd_pcm_hw_params *params,
       struct snd_soc_dai *dai)
{
 struct snd_soc_component *component = dai->component;
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
 u8 dai_ctrl = 0;
 u8 fs;

 /* Set channels */
 switch (params_channels(params)) {
 case 1:
  if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
   dev_err(component->dev, "Mono supported only in DSP mode\n");
   return -EINVAL;
  }
  dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
  break;
 case 2:
  dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
  break;
 default:
  return -EINVAL;
 }

 /* Set DAI format */
 switch (params_width(params)) {
 case 16:
  dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
  dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
  break;
 case 20:
  dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
  break;
 case 24:
  dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
  break;
 case 32:
  dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
  break;
 default:
  return -EINVAL;
 }

 /* Set sampling rate */
 switch (params_rate(params)) {
 case 8000:
  fs = DA7213_SR_8000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 case 11025:
  fs = DA7213_SR_11025;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
  break;
 case 12000:
  fs = DA7213_SR_12000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 case 16000:
  fs = DA7213_SR_16000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 case 22050:
  fs = DA7213_SR_22050;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
  break;
 case 32000:
  fs = DA7213_SR_32000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 case 44100:
  fs = DA7213_SR_44100;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
  break;
 case 48000:
  fs = DA7213_SR_48000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 case 88200:
  fs = DA7213_SR_88200;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
  break;
 case 96000:
  fs = DA7213_SR_96000;
  da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
  break;
 default:
  return -EINVAL;
 }

 snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
  DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);

 snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
  DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
 snd_soc_component_write(component, DA7213_SR, fs);

 return 0;
}

static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
 struct snd_soc_component *component = codec_dai->component;
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 u8 dai_clk_mode = 0, dai_ctrl = 0;
 u8 dai_offset = 0;

 /* Set master/slave mode */
 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 case SND_SOC_DAIFMT_CBP_CFP:
  da7213->master = true;
  break;
 case SND_SOC_DAIFMT_CBC_CFC:
  da7213->master = false;
  break;
 default:
  return -EINVAL;
 }

 /* Set clock normal/inverted */
 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 case SND_SOC_DAIFMT_I2S:
 case SND_SOC_DAIFMT_LEFT_J:
 case SND_SOC_DAIFMT_RIGHT_J:
  switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  case SND_SOC_DAIFMT_NB_NF:
   break;
  case SND_SOC_DAIFMT_NB_IF:
   dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
   break;
  case SND_SOC_DAIFMT_IB_NF:
   dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
   break;
  case SND_SOC_DAIFMT_IB_IF:
   dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
     DA7213_DAI_CLK_POL_INV;
   break;
  default:
   return -EINVAL;
  }
  break;
 case SND_SOC_DAIFMT_DSP_A:
 case SND_SOC_DAIFMT_DSP_B:
  /* The bclk is inverted wrt ASoC conventions */
  switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  case SND_SOC_DAIFMT_NB_NF:
   dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
   break;
  case SND_SOC_DAIFMT_NB_IF:
   dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
     DA7213_DAI_CLK_POL_INV;
   break;
  case SND_SOC_DAIFMT_IB_NF:
   break;
  case SND_SOC_DAIFMT_IB_IF:
   dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
   break;
  default:
   return -EINVAL;
  }
  break;
 default:
  return -EINVAL;
 }

 /* Only I2S is supported */
 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 case SND_SOC_DAIFMT_I2S:
  dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
  da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
  break;
 case SND_SOC_DAIFMT_LEFT_J:
  dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
  da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
  break;
 case SND_SOC_DAIFMT_RIGHT_J:
  dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
  da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
  break;
 case SND_SOC_DAIFMT_DSP_A: /* L data MSB after FRM LRC */
  dai_ctrl |= DA7213_DAI_FORMAT_DSP;
  dai_offset = 1;
  da7213->fmt = DA7213_DAI_FORMAT_DSP;
  break;
 case SND_SOC_DAIFMT_DSP_B: /* L data MSB during FRM LRC */
  dai_ctrl |= DA7213_DAI_FORMAT_DSP;
  da7213->fmt = DA7213_DAI_FORMAT_DSP;
  break;
 default:
  return -EINVAL;
 }

 /* By default only 64 BCLK per WCLK is supported */
 dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;

 snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
       DA7213_DAI_BCLKS_PER_WCLK_MASK |
       DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
       dai_clk_mode);
 snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
       dai_ctrl);
 snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);

 return 0;
}

static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
{
 struct snd_soc_component *component = dai->component;

 if (mute) {
  snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
        DA7213_MUTE_EN, DA7213_MUTE_EN);
  snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
        DA7213_MUTE_EN, DA7213_MUTE_EN);
 } else {
  snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
        DA7213_MUTE_EN, 0);
  snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
        DA7213_MUTE_EN, 0);
 }

 return 0;
}

#define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
   SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)

static int da7213_set_component_sysclk(struct snd_soc_component *component,
           int clk_id, int source,
           unsigned int freq, int dir)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret = 0;

 if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
  return 0;

 /* Maybe audio stream is closing. */
 if (freq == 0)
  return 0;

 if (((freq < da7213->fin_min_rate) && (freq != 32768)) || (freq > 54000000)) {
  dev_err(component->dev, "Unsupported MCLK value %d\n",
   freq);
  return -EINVAL;
 }

 switch (clk_id) {
 case DA7213_CLKSRC_MCLK:
  snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
        DA7213_PLL_MCLK_SQR_EN, 0);
  break;
 case DA7213_CLKSRC_MCLK_SQR:
  snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
        DA7213_PLL_MCLK_SQR_EN,
        DA7213_PLL_MCLK_SQR_EN);
  break;
 default:
  dev_err(component->dev, "Unknown clock source %d\n", clk_id);
  return -EINVAL;
 }

 da7213->clk_src = clk_id;

 if (da7213->mclk) {
  freq = clk_round_rate(da7213->mclk, freq);
  ret = clk_set_rate(da7213->mclk, freq);
  if (ret) {
   dev_err(component->dev, "Failed to set clock rate %d\n",
    freq);
   return ret;
  }
 }

 da7213->mclk_rate = freq;

 return 0;
}

/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
static int _da7213_set_component_pll(struct snd_soc_component *component,
         int pll_id, int source,
         unsigned int fref, unsigned int fout)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);

 u8 pll_ctrl, indiv_bits, indiv;
 u8 pll_frac_top, pll_frac_bot, pll_integer;
 u32 freq_ref;
 u64 frac_div;

 /* Workout input divider based on MCLK rate */
 if (da7213->mclk_rate == 32768) {
  if (!da7213->master) {
   dev_err(component->dev,
    "32KHz only valid if codec is clock master\n");
   return -EINVAL;
  }

  /* 32KHz PLL Mode */
  indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
  indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
  source = DA7213_SYSCLK_PLL_32KHZ;
  freq_ref = 3750000;

 } else {
  if (da7213->mclk_rate < 5000000) {
   dev_err(component->dev,
    "PLL input clock %d below valid range\n",
    da7213->mclk_rate);
   return -EINVAL;
  } else if (da7213->mclk_rate <= 9000000) {
   indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
   indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
  } else if (da7213->mclk_rate <= 18000000) {
   indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
   indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
  } else if (da7213->mclk_rate <= 36000000) {
   indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
   indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
  } else if (da7213->mclk_rate <= 54000000) {
   indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
   indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
  } else {
   dev_err(component->dev,
    "PLL input clock %d above valid range\n",
    da7213->mclk_rate);
   return -EINVAL;
  }
  freq_ref = (da7213->mclk_rate / indiv);
 }

 pll_ctrl = indiv_bits;

 /* Configure PLL */
 switch (source) {
 case DA7213_SYSCLK_MCLK:
  snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
        DA7213_PLL_INDIV_MASK |
        DA7213_PLL_MODE_MASK, pll_ctrl);
  return 0;
 case DA7213_SYSCLK_PLL:
  break;
 case DA7213_SYSCLK_PLL_SRM:
  pll_ctrl |= DA7213_PLL_SRM_EN;
  fout = DA7213_PLL_FREQ_OUT_94310400;
  break;
 case DA7213_SYSCLK_PLL_32KHZ:
  if (da7213->mclk_rate != 32768) {
   dev_err(component->dev,
    "32KHz mode only valid with 32KHz MCLK\n");
   return -EINVAL;
  }

  pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
  fout = DA7213_PLL_FREQ_OUT_94310400;
  break;
 default:
  dev_err(component->dev, "Invalid PLL config\n");
  return -EINVAL;
 }

 /* Calculate dividers for PLL */
 pll_integer = fout / freq_ref;
 frac_div = (u64)(fout % freq_ref) * 8192ULL;
 do_div(frac_div, freq_ref);
 pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
 pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;

 /* Write PLL dividers */
 snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
 snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
 snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);

 /* Enable PLL */
 pll_ctrl |= DA7213_PLL_EN;
 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
       DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
       pll_ctrl);

 /* Assist 32KHz mode PLL lock */
 if (source == DA7213_SYSCLK_PLL_32KHZ) {
  snd_soc_component_write(component, 0xF0, 0x8B);
  snd_soc_component_write(component, 0xF1, 0x03);
  snd_soc_component_write(component, 0xF1, 0x01);
  snd_soc_component_write(component, 0xF0, 0x00);
 }

 return 0;
}

static int da7213_set_component_pll(struct snd_soc_component *component,
        int pll_id, int source,
        unsigned int fref, unsigned int fout)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 da7213->fixed_clk_auto_pll = false;

 return _da7213_set_component_pll(component, pll_id, source, fref, fout);
}

/*
 * Select below from Sound Card, not Auto
 * SND_SOC_DAIFMT_CBC_CFC
 * SND_SOC_DAIFMT_CBP_CFP
 */
static const u64 da7213_dai_formats =
 SND_SOC_POSSIBLE_DAIFMT_I2S |
 SND_SOC_POSSIBLE_DAIFMT_LEFT_J |
 SND_SOC_POSSIBLE_DAIFMT_RIGHT_J |
 SND_SOC_POSSIBLE_DAIFMT_DSP_A |
 SND_SOC_POSSIBLE_DAIFMT_DSP_B |
 SND_SOC_POSSIBLE_DAIFMT_NB_NF |
 SND_SOC_POSSIBLE_DAIFMT_NB_IF |
 SND_SOC_POSSIBLE_DAIFMT_IB_NF |
 SND_SOC_POSSIBLE_DAIFMT_IB_IF;

/* DAI operations */
static const struct snd_soc_dai_ops da7213_dai_ops = {
 .hw_params = da7213_hw_params,
 .set_fmt = da7213_set_dai_fmt,
 .mute_stream = da7213_mute,
 .no_capture_mute = 1,
 .auto_selectable_formats = &da7213_dai_formats,
 .num_auto_selectable_formats = 1,
};

static struct snd_soc_dai_driver da7213_dai = {
 .name = "da7213-hifi",
 /* Playback Capabilities */
 .playback = {
  .stream_name = "Playback",
  .channels_min = 1,
  .channels_max = 2,
  .rates = SNDRV_PCM_RATE_8000_96000,
  .formats = DA7213_FORMATS,
 },
 /* Capture Capabilities */
 .capture = {
  .stream_name = "Capture",
  .channels_min = 1,
  .channels_max = 2,
  .rates = SNDRV_PCM_RATE_8000_96000,
  .formats = DA7213_FORMATS,
 },
 .ops = &da7213_dai_ops,
 .symmetric_rate = 1,
};

static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int mode;

 if (!da7213->fixed_clk_auto_pll)
  return 0;

 da7213->mclk_rate = clk_get_rate(da7213->mclk);

 if (enable) {
  /* Slave mode needs SRM for non-harmonic frequencies */
  if (da7213->master)
   mode = DA7213_SYSCLK_PLL;
  else
   mode = DA7213_SYSCLK_PLL_SRM;

  /* PLL is not required for harmonic frequencies */
  switch (da7213->out_rate) {
  case DA7213_PLL_FREQ_OUT_90316800:
   if (da7213->mclk_rate == 11289600 ||
       da7213->mclk_rate == 22579200 ||
       da7213->mclk_rate == 45158400)
    mode = DA7213_SYSCLK_MCLK;
   break;
  case DA7213_PLL_FREQ_OUT_98304000:
   if (da7213->mclk_rate == 12288000 ||
       da7213->mclk_rate == 24576000 ||
       da7213->mclk_rate == 49152000)
    mode = DA7213_SYSCLK_MCLK;

   break;
  default:
   return -1;
  }
 } else {
  /* Disable PLL in standby */
  mode = DA7213_SYSCLK_MCLK;
 }

 return _da7213_set_component_pll(component, 0, mode,
      da7213->mclk_rate, da7213->out_rate);
}

static int da7213_set_bias_level(struct snd_soc_component *component,
     enum snd_soc_bias_level level)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 int ret;

 switch (level) {
 case SND_SOC_BIAS_ON:
  break;
 case SND_SOC_BIAS_PREPARE:
  /* Enable MCLK for transition to ON state */
  if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
   if (da7213->mclk) {
    ret = clk_prepare_enable(da7213->mclk);
    if (ret) {
     dev_err(component->dev,
      "Failed to enable mclk\n");
     return ret;
    }

    da7213_set_auto_pll(component, true);
   }
  }
  break;
 case SND_SOC_BIAS_STANDBY:
  if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
   /* Enable VMID reference & master bias */
   snd_soc_component_update_bits(component, DA7213_REFERENCES,
         DA7213_VMID_EN | DA7213_BIAS_EN,
         DA7213_VMID_EN | DA7213_BIAS_EN);
  } else {
   /* Remove MCLK */
   if (da7213->mclk) {
    da7213_set_auto_pll(component, false);
    clk_disable_unprepare(da7213->mclk);
   }
  }
  break;
 case SND_SOC_BIAS_OFF:
  /* Disable VMID reference & master bias */
  snd_soc_component_update_bits(component, DA7213_REFERENCES,
        DA7213_VMID_EN | DA7213_BIAS_EN, 0);
  break;
 }
 return 0;
}

#define DA7213_FIN_MIN_RATE (5 * MEGA)
#define DA7212_FIN_MIN_RATE (2 * MEGA)

#if defined(CONFIG_OF)
/* DT */
static const struct of_device_id da7213_of_match[] = {
 { .compatible = "dlg,da7212", .data = (void *)DA7212_FIN_MIN_RATE },
 { .compatible = "dlg,da7213", .data = (void *)DA7213_FIN_MIN_RATE },
 { }
};
MODULE_DEVICE_TABLE(of, da7213_of_match);
#endif

#ifdef CONFIG_ACPI
static const struct acpi_device_id da7213_acpi_match[] = {
 { "DLGS7212", DA7212_FIN_MIN_RATE },
 { "DLGS7213", DA7213_FIN_MIN_RATE },
 { },
};
MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
#endif

static enum da7213_micbias_voltage
 da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
{
 switch (val) {
 case 1600:
  return DA7213_MICBIAS_1_6V;
 case 2200:
  return DA7213_MICBIAS_2_2V;
 case 2500:
  return DA7213_MICBIAS_2_5V;
 case 3000:
  return DA7213_MICBIAS_3_0V;
 default:
  dev_warn(component->dev, "Invalid micbias level\n");
  return DA7213_MICBIAS_2_2V;
 }
}

static enum da7213_dmic_data_sel
 da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
{
 if (!strcmp(str, "lrise_rfall")) {
  return DA7213_DMIC_DATA_LRISE_RFALL;
 } else if (!strcmp(str, "lfall_rrise")) {
  return DA7213_DMIC_DATA_LFALL_RRISE;
 } else {
  dev_warn(component->dev, "Invalid DMIC data select type\n");
  return DA7213_DMIC_DATA_LRISE_RFALL;
 }
}

static enum da7213_dmic_samplephase
 da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
{
 if (!strcmp(str, "on_clkedge")) {
  return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
 } else if (!strcmp(str, "between_clkedge")) {
  return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
 } else {
  dev_warn(component->dev, "Invalid DMIC sample phase\n");
  return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
 }
}

static enum da7213_dmic_clk_rate
 da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
{
 switch (val) {
 case 1500000:
  return DA7213_DMIC_CLK_1_5MHZ;
 case 3000000:
  return DA7213_DMIC_CLK_3_0MHZ;
 default:
  dev_warn(component->dev, "Invalid DMIC clock rate\n");
  return DA7213_DMIC_CLK_1_5MHZ;
 }
}

static struct da7213_platform_data
 *da7213_fw_to_pdata(struct snd_soc_component *component)
{
 struct device *dev = component->dev;
 struct da7213_platform_data *pdata;
 const char *fw_str;
 u32 fw_val32;

 pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
 if (!pdata)
  return NULL;

 if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
  pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
 else
  pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;

 if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
  pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
 else
  pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;

 if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
  pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
 else
  pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;

 if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
  pdata->dmic_samplephase =
   da7213_of_dmic_samplephase(component, fw_str);
 else
  pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;

 if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
  pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
 else
  pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;

 return pdata;
}

static int da7213_probe(struct snd_soc_component *component)
{
 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);

 pm_runtime_get_sync(component->dev);

 /* Default to using ALC auto offset calibration mode. */
 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
       DA7213_ALC_CALIB_MODE_MAN, 0);
 da7213->alc_calib_auto = true;

 /* Default PC counter to free-running */
 snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
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