1 files changed, 281 insertions, 313 deletions

diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 987f728718c5..662dc1a4835b 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * cs42l52.c -- CS42L52 ALSA SoC audio driver
  *
@@ -5,33 +6,28 @@
  *
  * Author: Georgi Vlaev <joe@nucleusys.com>
  * Author: Brian Austin <brian.austin@cirrus.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  */
 
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/pm.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
+#include <linux/init.h>
 #include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
-#include <linux/platform_device.h>
 #include <sound/core.h>
+#include <sound/initval.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
-#include <sound/initval.h>
 #include <sound/tlv.h>
-#include <sound/cs42l52.h>
 #include "cs42l52.h"
 
 struct sp_config {
@@ -39,9 +35,27 @@ struct sp_config {
 	u32 srate;
 };
 
+struct cs42l52_platform_data {
+
+	/* MICBIAS Level. Check datasheet Pg48 */
+	unsigned int micbias_lvl;
+
+	/* MICA mode selection Differential or Single-ended */
+	bool mica_diff_cfg;
+
+	/* MICB mode selection Differential or Single-ended */
+	bool micb_diff_cfg;
+
+	/* Charge Pump Freq. Check datasheet Pg73 */
+	unsigned int chgfreq;
+
+	/* Reset GPIO */
+	struct gpio_desc *reset_gpio;
+};
+
 struct  cs42l52_private {
 	struct regmap *regmap;
-	struct snd_soc_codec *codec;
+	struct snd_soc_component *component;
 	struct device *dev;
 	struct sp_config config;
 	struct cs42l52_platform_data pdata;
@@ -49,11 +63,9 @@ struct  cs42l52_private {
 	u8 mclksel;
 	u32 mclk;
 	u8 flags;
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
 	struct input_dev *beep;
 	struct work_struct beep_work;
 	int beep_rate;
-#endif
 };
 
 static const struct reg_default cs42l52_reg_defaults[] = {
@@ -111,58 +123,7 @@ static const struct reg_default cs42l52_reg_defaults[] = {
 static bool cs42l52_readable_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
-	case CS42L52_CHIP:
-	case CS42L52_PWRCTL1:
-	case CS42L52_PWRCTL2:
-	case CS42L52_PWRCTL3:
-	case CS42L52_CLK_CTL:
-	case CS42L52_IFACE_CTL1:
-	case CS42L52_IFACE_CTL2:
-	case CS42L52_ADC_PGA_A:
-	case CS42L52_ADC_PGA_B:
-	case CS42L52_ANALOG_HPF_CTL:
-	case CS42L52_ADC_HPF_FREQ:
-	case CS42L52_ADC_MISC_CTL:
-	case CS42L52_PB_CTL1:
-	case CS42L52_MISC_CTL:
-	case CS42L52_PB_CTL2:
-	case CS42L52_MICA_CTL:
-	case CS42L52_MICB_CTL:
-	case CS42L52_PGAA_CTL:
-	case CS42L52_PGAB_CTL:
-	case CS42L52_PASSTHRUA_VOL:
-	case CS42L52_PASSTHRUB_VOL:
-	case CS42L52_ADCA_VOL:
-	case CS42L52_ADCB_VOL:
-	case CS42L52_ADCA_MIXER_VOL:
-	case CS42L52_ADCB_MIXER_VOL:
-	case CS42L52_PCMA_MIXER_VOL:
-	case CS42L52_PCMB_MIXER_VOL:
-	case CS42L52_BEEP_FREQ:
-	case CS42L52_BEEP_VOL:
-	case CS42L52_BEEP_TONE_CTL:
-	case CS42L52_TONE_CTL:
-	case CS42L52_MASTERA_VOL:
-	case CS42L52_MASTERB_VOL:
-	case CS42L52_HPA_VOL:
-	case CS42L52_HPB_VOL:
-	case CS42L52_SPKA_VOL:
-	case CS42L52_SPKB_VOL:
-	case CS42L52_ADC_PCM_MIXER:
-	case CS42L52_LIMITER_CTL1:
-	case CS42L52_LIMITER_CTL2:
-	case CS42L52_LIMITER_AT_RATE:
-	case CS42L52_ALC_CTL:
-	case CS42L52_ALC_RATE:
-	case CS42L52_ALC_THRESHOLD:
-	case CS42L52_NOISE_GATE_CTL:
-	case CS42L52_CLK_STATUS:
-	case CS42L52_BATT_COMPEN:
-	case CS42L52_BATT_LEVEL:
-	case CS42L52_SPK_STATUS:
-	case CS42L52_TEM_CTL:
-	case CS42L52_THE_FOLDBACK:
-	case CS42L52_CHARGE_PUMP:
+	case CS42L52_CHIP ... CS42L52_CHARGE_PUMP:
 		return true;
 	default:
 		return false;
@@ -177,9 +138,9 @@ static bool cs42l52_volatile_register(struct device *dev, unsigned int reg)
 	case CS42L52_BATT_LEVEL:
 	case CS42L52_SPK_STATUS:
 	case CS42L52_CHARGE_PUMP:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }
 
@@ -193,13 +154,16 @@ static DECLARE_TLV_DB_SCALE(mic_tlv, 1600, 100, 0);
 
 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
 
-static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0);
+static DECLARE_TLV_DB_SCALE(pass_tlv, -6000, 50, 0);
+
+static DECLARE_TLV_DB_SCALE(mix_tlv, -5150, 50, 0);
 
-static const unsigned int limiter_tlv[] = {
-	TLV_DB_RANGE_HEAD(2),
+static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0);
+
+static const DECLARE_TLV_DB_RANGE(limiter_tlv,
 	0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
-	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0),
-};
+	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
+);
 
 static const char * const cs42l52_adca_text[] = {
 	"Input1A", "Input2A", "Input3A", "Input4A", "PGA Input Left"};
@@ -207,13 +171,11 @@ static const char * const cs42l52_adca_text[] = {
 static const char * const cs42l52_adcb_text[] = {
 	"Input1B", "Input2B", "Input3B", "Input4B", "PGA Input Right"};
 
-static const struct soc_enum adca_enum =
-	SOC_ENUM_SINGLE(CS42L52_ADC_PGA_A, 5,
-		ARRAY_SIZE(cs42l52_adca_text), cs42l52_adca_text);
+static SOC_ENUM_SINGLE_DECL(adca_enum,
+			    CS42L52_ADC_PGA_A, 5, cs42l52_adca_text);
 
-static const struct soc_enum adcb_enum =
-	SOC_ENUM_SINGLE(CS42L52_ADC_PGA_B, 5,
-		ARRAY_SIZE(cs42l52_adcb_text), cs42l52_adcb_text);
+static SOC_ENUM_SINGLE_DECL(adcb_enum,
+			    CS42L52_ADC_PGA_B, 5, cs42l52_adcb_text);
 
 static const struct snd_kcontrol_new adca_mux =
 	SOC_DAPM_ENUM("Left ADC Input Capture Mux", adca_enum);
@@ -226,32 +188,22 @@ static const char * const mic_bias_level_text[] = {
 	"0.8 +VA", "0.83 +VA", "0.91 +VA"
 };
 
-static const struct soc_enum mic_bias_level_enum =
-	SOC_ENUM_SINGLE(CS42L52_IFACE_CTL2, 0,
-			ARRAY_SIZE(mic_bias_level_text), mic_bias_level_text);
+static SOC_ENUM_SINGLE_DECL(mic_bias_level_enum,
+			    CS42L52_IFACE_CTL2, 0, mic_bias_level_text);
 
-static const char * const cs42l52_mic_text[] = { "Single", "Differential" };
+static const char * const cs42l52_mic_text[] = { "MIC1", "MIC2" };
 
-static const struct soc_enum mica_enum =
-	SOC_ENUM_SINGLE(CS42L52_MICA_CTL, 5,
-			ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text);
+static SOC_ENUM_SINGLE_DECL(mica_enum,
+			    CS42L52_MICA_CTL, 5, cs42l52_mic_text);
 
-static const struct soc_enum micb_enum =
-	SOC_ENUM_SINGLE(CS42L52_MICB_CTL, 5,
-			ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text);
-
-static const struct snd_kcontrol_new mica_mux =
-	SOC_DAPM_ENUM("Left Mic Input Capture Mux", mica_enum);
-
-static const struct snd_kcontrol_new micb_mux =
-	SOC_DAPM_ENUM("Right Mic Input Capture Mux", micb_enum);
+static SOC_ENUM_SINGLE_DECL(micb_enum,
+			    CS42L52_MICB_CTL, 5, cs42l52_mic_text);
 
 static const char * const digital_output_mux_text[] = {"ADC", "DSP"};
 
-static const struct soc_enum digital_output_mux_enum =
-	SOC_ENUM_SINGLE(CS42L52_ADC_MISC_CTL, 6,
-			ARRAY_SIZE(digital_output_mux_text),
-			digital_output_mux_text);
+static SOC_ENUM_SINGLE_DECL(digital_output_mux_enum,
+			    CS42L52_ADC_MISC_CTL, 6,
+			    digital_output_mux_text);
 
 static const struct snd_kcontrol_new digital_output_mux =
 	SOC_DAPM_ENUM("Digital Output Mux", digital_output_mux_enum);
@@ -261,18 +213,18 @@ static const char * const hp_gain_num_text[] = {
 	"0.7099", "0.8399", "1.000", "1.1430"
 };
 
-static const struct soc_enum hp_gain_enum =
-	SOC_ENUM_SINGLE(CS42L52_PB_CTL1, 5,
-		ARRAY_SIZE(hp_gain_num_text), hp_gain_num_text);
+static SOC_ENUM_SINGLE_DECL(hp_gain_enum,
+			    CS42L52_PB_CTL1, 5,
+			    hp_gain_num_text);
 
 static const char * const beep_pitch_text[] = {
 	"C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5",
 	"C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7"
 };
 
-static const struct soc_enum beep_pitch_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 4,
-			ARRAY_SIZE(beep_pitch_text), beep_pitch_text);
+static SOC_ENUM_SINGLE_DECL(beep_pitch_enum,
+			    CS42L52_BEEP_FREQ, 4,
+			    beep_pitch_text);
 
 static const char * const beep_ontime_text[] = {
 	"86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s",
@@ -280,66 +232,66 @@ static const char * const beep_ontime_text[] = {
 	"3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s"
 };
 
-static const struct soc_enum beep_ontime_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 0,
-			ARRAY_SIZE(beep_ontime_text), beep_ontime_text);
+static SOC_ENUM_SINGLE_DECL(beep_ontime_enum,
+			    CS42L52_BEEP_FREQ, 0,
+			    beep_ontime_text);
 
 static const char * const beep_offtime_text[] = {
 	"1.23 s", "2.58 s", "3.90 s", "5.20 s",
 	"6.60 s", "8.05 s", "9.35 s", "10.80 s"
 };
 
-static const struct soc_enum beep_offtime_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_VOL, 5,
-			ARRAY_SIZE(beep_offtime_text), beep_offtime_text);
+static SOC_ENUM_SINGLE_DECL(beep_offtime_enum,
+			    CS42L52_BEEP_VOL, 5,
+			    beep_offtime_text);
 
 static const char * const beep_config_text[] = {
 	"Off", "Single", "Multiple", "Continuous"
 };
 
-static const struct soc_enum beep_config_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 6,
-			ARRAY_SIZE(beep_config_text), beep_config_text);
+static SOC_ENUM_SINGLE_DECL(beep_config_enum,
+			    CS42L52_BEEP_TONE_CTL, 6,
+			    beep_config_text);
 
 static const char * const beep_bass_text[] = {
 	"50 Hz", "100 Hz", "200 Hz", "250 Hz"
 };
 
-static const struct soc_enum beep_bass_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 1,
-			ARRAY_SIZE(beep_bass_text), beep_bass_text);
+static SOC_ENUM_SINGLE_DECL(beep_bass_enum,
+			    CS42L52_BEEP_TONE_CTL, 1,
+			    beep_bass_text);
 
 static const char * const beep_treble_text[] = {
 	"5 kHz", "7 kHz", "10 kHz", " 15 kHz"
 };
 
-static const struct soc_enum beep_treble_enum =
-	SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 3,
-			ARRAY_SIZE(beep_treble_text), beep_treble_text);
+static SOC_ENUM_SINGLE_DECL(beep_treble_enum,
+			    CS42L52_BEEP_TONE_CTL, 3,
+			    beep_treble_text);
 
 static const char * const ng_threshold_text[] = {
 	"-34dB", "-37dB", "-40dB", "-43dB",
 	"-46dB", "-52dB", "-58dB", "-64dB"
 };
 
-static const struct soc_enum ng_threshold_enum =
-	SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 2,
-		ARRAY_SIZE(ng_threshold_text), ng_threshold_text);
+static SOC_ENUM_SINGLE_DECL(ng_threshold_enum,
+			    CS42L52_NOISE_GATE_CTL, 2,
+			    ng_threshold_text);
 
 static const char * const cs42l52_ng_delay_text[] = {
 	"50ms", "100ms", "150ms", "200ms"};
 
-static const struct soc_enum ng_delay_enum =
-	SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 0,
-		ARRAY_SIZE(cs42l52_ng_delay_text), cs42l52_ng_delay_text);
+static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
+			    CS42L52_NOISE_GATE_CTL, 0,
+			    cs42l52_ng_delay_text);
 
 static const char * const cs42l52_ng_type_text[] = {
 	"Apply Specific", "Apply All"
 };
 
-static const struct soc_enum ng_type_enum =
-	SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 6,
-		ARRAY_SIZE(cs42l52_ng_type_text), cs42l52_ng_type_text);
+static SOC_ENUM_SINGLE_DECL(ng_type_enum,
+			    CS42L52_NOISE_GATE_CTL, 6,
+			    cs42l52_ng_type_text);
 
 static const char * const left_swap_text[] = {
 	"Left", "LR 2", "Right"};
@@ -350,7 +302,7 @@ static const char * const right_swap_text[] = {
 static const unsigned int swap_values[] = { 0, 1, 3 };
 
 static const struct soc_enum adca_swap_enum =
-	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 1,
+	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 3,
 			      ARRAY_SIZE(left_swap_text),
 			      left_swap_text,
 			      swap_values);
@@ -359,7 +311,7 @@ static const struct snd_kcontrol_new adca_mixer =
 	SOC_DAPM_ENUM("Route", adca_swap_enum);
 
 static const struct soc_enum pcma_swap_enum =
-	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 1,
+	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 3,
 			      ARRAY_SIZE(left_swap_text),
 			      left_swap_text,
 			      swap_values);
@@ -368,7 +320,7 @@ static const struct snd_kcontrol_new pcma_mixer =
 	SOC_DAPM_ENUM("Route", pcma_swap_enum);
 
 static const struct soc_enum adcb_swap_enum =
-	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 1,
+	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 3,
 			      ARRAY_SIZE(right_swap_text),
 			      right_swap_text,
 			      swap_values);
@@ -377,7 +329,7 @@ static const struct snd_kcontrol_new adcb_mixer =
 	SOC_DAPM_ENUM("Route", adcb_swap_enum);
 
 static const struct soc_enum pcmb_swap_enum =
-	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 1,
+	SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 3,
 			      ARRAY_SIZE(right_swap_text),
 			      right_swap_text,
 			      swap_values);
@@ -410,15 +362,15 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
 			      CS42L52_MASTERB_VOL, 0, 0x34, 0xE4, hl_tlv),
 
 	SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L52_HPA_VOL,
-			      CS42L52_HPB_VOL, 0, 0x34, 0xCC, hpd_tlv),
+			      CS42L52_HPB_VOL, 0, 0x34, 0xC0, hpd_tlv),
 
 	SOC_ENUM("Headphone Analog Gain", hp_gain_enum),
 
 	SOC_DOUBLE_R_SX_TLV("Speaker Volume", CS42L52_SPKA_VOL,
-			      CS42L52_SPKB_VOL, 0, 0x1, 0xff, hl_tlv),
+			      CS42L52_SPKB_VOL, 0, 0x40, 0xC0, hl_tlv),
 
 	SOC_DOUBLE_R_SX_TLV("Bypass Volume", CS42L52_PASSTHRUA_VOL,
-			      CS42L52_PASSTHRUB_VOL, 6, 0x18, 0x90, pga_tlv),
+			      CS42L52_PASSTHRUB_VOL, 0, 0x88, 0x90, pass_tlv),
 
 	SOC_DOUBLE("Bypass Mute", CS42L52_MISC_CTL, 4, 5, 1, 0),
 
@@ -428,10 +380,10 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
 	SOC_ENUM("MIC Bias Level", mic_bias_level_enum),
 
 	SOC_DOUBLE_R_SX_TLV("ADC Volume", CS42L52_ADCA_VOL,
-			      CS42L52_ADCB_VOL, 7, 0x80, 0xA0, ipd_tlv),
+			      CS42L52_ADCB_VOL, 0, 0xA0, 0x78, ipd_tlv),
 	SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume",
 			     CS42L52_ADCA_MIXER_VOL, CS42L52_ADCB_MIXER_VOL,
-				6, 0x7f, 0x19, ipd_tlv),
+				0, 0x19, 0x7F, mix_tlv),
 
 	SOC_DOUBLE("ADC Switch", CS42L52_ADC_MISC_CTL, 0, 1, 1, 0),
 
@@ -439,11 +391,11 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
 		     CS42L52_ADCB_MIXER_VOL, 7, 1, 1),
 
 	SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L52_PGAA_CTL,
-			    CS42L52_PGAB_CTL, 0, 0x28, 0x30, pga_tlv),
+			    CS42L52_PGAB_CTL, 0, 0x28, 0x24, pga_tlv),
 
 	SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume",
 			    CS42L52_PCMA_MIXER_VOL, CS42L52_PCMB_MIXER_VOL,
-				0, 0x7f, 0x19, mix_tlv),
+				0, 0x19, 0x7f, mix_tlv),
 	SOC_DOUBLE_R("PCM Mixer Switch",
 		     CS42L52_PCMA_MIXER_VOL, CS42L52_PCMB_MIXER_VOL, 7, 1, 1),
 
@@ -451,7 +403,8 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
 	SOC_ENUM("Beep Pitch", beep_pitch_enum),
 	SOC_ENUM("Beep on Time", beep_ontime_enum),
 	SOC_ENUM("Beep off Time", beep_offtime_enum),
-	SOC_SINGLE_TLV("Beep Volume", CS42L52_BEEP_VOL, 0, 0x1f, 0x07, hl_tlv),
+	SOC_SINGLE_SX_TLV("Beep Volume", CS42L52_BEEP_VOL,
+			0, 0x07, 0x1f, beep_tlv),
 	SOC_SINGLE("Beep Mixer Switch", CS42L52_BEEP_TONE_CTL, 5, 1, 1),
 	SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum),
 	SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum),
@@ -527,6 +480,30 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
 
 };
 
+static const struct snd_kcontrol_new cs42l52_mica_controls[] = {
+	SOC_ENUM("MICA Select", mica_enum),
+};
+
+static const struct snd_kcontrol_new cs42l52_micb_controls[] = {
+	SOC_ENUM("MICB Select", micb_enum),
+};
+
+static int cs42l52_add_mic_controls(struct snd_soc_component *component)
+{
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
+	struct cs42l52_platform_data *pdata = &cs42l52->pdata;
+
+	if (!pdata->mica_diff_cfg)
+		snd_soc_add_component_controls(component, cs42l52_mica_controls,
+				     ARRAY_SIZE(cs42l52_mica_controls));
+
+	if (!pdata->micb_diff_cfg)
+		snd_soc_add_component_controls(component, cs42l52_micb_controls,
+				     ARRAY_SIZE(cs42l52_micb_controls));
+
+	return 0;
+}
+
 static const struct snd_soc_dapm_widget cs42l52_dapm_widgets[] = {
 
 	SND_SOC_DAPM_INPUT("AIN1L"),
@@ -546,9 +523,6 @@ static const struct snd_soc_dapm_widget cs42l52_dapm_widgets[] = {
 	SND_SOC_DAPM_AIF_OUT("AIFOUTR", NULL,  0,
 			SND_SOC_NOPM, 0, 0),
 
-	SND_SOC_DAPM_MUX("MICA Mux", SND_SOC_NOPM, 0, 0, &mica_mux),
-	SND_SOC_DAPM_MUX("MICB Mux", SND_SOC_NOPM, 0, 0, &micb_mux),
-
 	SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L52_PWRCTL1, 1, 1),
 	SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L52_PWRCTL1, 2, 1),
 	SND_SOC_DAPM_PGA("PGA Left", CS42L52_PWRCTL1, 3, 1, NULL, 0),
@@ -757,13 +731,13 @@ static int cs42l52_get_clk(int mclk, int rate)
 static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai,
 			int clk_id, unsigned int freq, int dir)
 {
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *component = codec_dai->component;
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 
 	if ((freq >= CS42L52_MIN_CLK) && (freq <= CS42L52_MAX_CLK)) {
 		cs42l52->sysclk = freq;
 	} else {
-		dev_err(codec->dev, "Invalid freq parameter\n");
+		dev_err(component->dev, "Invalid freq parameter\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -771,15 +745,15 @@ static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai,
 
 static int cs42l52_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 {
-	struct snd_soc_codec *codec = codec_dai->codec;
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *component = codec_dai->component;
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 	u8 iface = 0;
 
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
+	case SND_SOC_DAIFMT_CBP_CFP:
 		iface = CS42L52_IFACE_CTL1_MASTER;
 		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
+	case SND_SOC_DAIFMT_CBC_CFC:
 		iface = CS42L52_IFACE_CTL1_SLAVE;
 		break;
 	default:
@@ -824,21 +798,21 @@ static int cs42l52_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 		return -EINVAL;
 	}
 	cs42l52->config.format = iface;
-	snd_soc_write(codec, CS42L52_IFACE_CTL1, cs42l52->config.format);
+	snd_soc_component_write(component, CS42L52_IFACE_CTL1, cs42l52->config.format);
 
 	return 0;
 }
 
-static int cs42l52_digital_mute(struct snd_soc_dai *dai, int mute)
+static int cs42l52_mute(struct snd_soc_dai *dai, int mute, int direction)
 {
-	struct snd_soc_codec *codec = dai->codec;
+	struct snd_soc_component *component = dai->component;
 
 	if (mute)
-		snd_soc_update_bits(codec, CS42L52_PB_CTL1,
+		snd_soc_component_update_bits(component, CS42L52_PB_CTL1,
 				    CS42L52_PB_CTL1_MUTE_MASK,
 				CS42L52_PB_CTL1_MUTE);
 	else
-		snd_soc_update_bits(codec, CS42L52_PB_CTL1,
+		snd_soc_component_update_bits(component, CS42L52_PB_CTL1,
 				    CS42L52_PB_CTL1_MUTE_MASK,
 				CS42L52_PB_CTL1_UNMUTE);
 
@@ -849,8 +823,8 @@ static int cs42l52_pcm_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 cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *component = dai->component;
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 	u32 clk = 0;
 	int index;
 
@@ -864,40 +838,40 @@ static int cs42l52_pcm_hw_params(struct snd_pcm_substream *substream,
 		(clk_map_table[index].ratio << CLK_RATIO_SHIFT) |
 		clk_map_table[index].mclkdiv2;
 
-		snd_soc_write(codec, CS42L52_CLK_CTL, clk);
+		snd_soc_component_write(component, CS42L52_CLK_CTL, clk);
 	} else {
-		dev_err(codec->dev, "can't get correct mclk\n");
+		dev_err(component->dev, "can't get correct mclk\n");
 		return -EINVAL;
 	}
 
 	return 0;
 }
 
-static int cs42l52_set_bias_level(struct snd_soc_codec *codec,
+static int cs42l52_set_bias_level(struct snd_soc_component *component,
 					enum snd_soc_bias_level level)
 {
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
+	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
 		break;
 	case SND_SOC_BIAS_PREPARE:
-		snd_soc_update_bits(codec, CS42L52_PWRCTL1,
+		snd_soc_component_update_bits(component, CS42L52_PWRCTL1,
 				    CS42L52_PWRCTL1_PDN_CODEC, 0);
 		break;
 	case SND_SOC_BIAS_STANDBY:
-		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+		if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
 			regcache_cache_only(cs42l52->regmap, false);
 			regcache_sync(cs42l52->regmap);
 		}
-		snd_soc_write(codec, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL);
+		snd_soc_component_write(component, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL);
 		break;
 	case SND_SOC_BIAS_OFF:
-		snd_soc_write(codec, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL);
+		snd_soc_component_write(component, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL);
 		regcache_cache_only(cs42l52->regmap, true);
 		break;
 	}
-	codec->dapm.bias_level = level;
 
 	return 0;
 }
@@ -909,11 +883,12 @@ static int cs42l52_set_bias_level(struct snd_soc_codec *codec,
 			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE)
 
-static struct snd_soc_dai_ops cs42l52_ops = {
+static const struct snd_soc_dai_ops cs42l52_ops = {
 	.hw_params	= cs42l52_pcm_hw_params,
-	.digital_mute	= cs42l52_digital_mute,
+	.mute_stream	= cs42l52_mute,
 	.set_fmt	= cs42l52_set_fmt,
 	.set_sysclk	= cs42l52_set_sysclk,
+	.no_capture_mute = 1,
 };
 
 static struct snd_soc_dai_driver cs42l52_dai = {
@@ -935,21 +910,6 @@ static struct snd_soc_dai_driver cs42l52_dai = {
 		.ops = &cs42l52_ops,
 };
 
-static int cs42l52_suspend(struct snd_soc_codec *codec)
-{
-	cs42l52_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-	return 0;
-}
-
-static int cs42l52_resume(struct snd_soc_codec *codec)
-{
-	cs42l52_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-	return 0;
-}
-
-#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
 static int beep_rates[] = {
 	261, 522, 585, 667, 706, 774, 889, 1000,
 	1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182
@@ -959,8 +919,8 @@ static void cs42l52_beep_work(struct work_struct *work)
 {
 	struct cs42l52_private *cs42l52 =
 		container_of(work, struct cs42l52_private, beep_work);
-	struct snd_soc_codec *codec = cs42l52->codec;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	struct snd_soc_component *component = cs42l52->component;
+	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
 	int i;
 	int val = 0;
 	int best = 0;
@@ -972,18 +932,18 @@ static void cs42l52_beep_work(struct work_struct *work)
 				best = i;
 		}
 
-		dev_dbg(codec->dev, "Set beep rate %dHz for requested %dHz\n",
+		dev_dbg(component->dev, "Set beep rate %dHz for requested %dHz\n",
 			beep_rates[best], cs42l52->beep_rate);
 
 		val = (best << CS42L52_BEEP_RATE_SHIFT);
 
 		snd_soc_dapm_enable_pin(dapm, "Beep");
 	} else {
-		dev_dbg(codec->dev, "Disabling beep\n");
+		dev_dbg(component->dev, "Disabling beep\n");
 		snd_soc_dapm_disable_pin(dapm, "Beep");
 	}
 
-	snd_soc_update_bits(codec, CS42L52_BEEP_FREQ,
+	snd_soc_component_update_bits(component, CS42L52_BEEP_FREQ,
 			    CS42L52_BEEP_RATE_MASK, val);
 
 	snd_soc_dapm_sync(dapm);
@@ -995,15 +955,16 @@ static void cs42l52_beep_work(struct work_struct *work)
 static int cs42l52_beep_event(struct input_dev *dev, unsigned int type,
 			     unsigned int code, int hz)
 {
-	struct snd_soc_codec *codec = input_get_drvdata(dev);
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *component = input_get_drvdata(dev);
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 
-	dev_dbg(codec->dev, "Beep event %x %x\n", code, hz);
+	dev_dbg(component->dev, "Beep event %x %x\n", code, hz);
 
 	switch (code) {
 	case SND_BELL:
 		if (hz)
 			hz = 261;
+		break;
 	case SND_TONE:
 		break;
 	default:
@@ -1016,9 +977,8 @@ static int cs42l52_beep_event(struct input_dev *dev, unsigned int type,
 	return 0;
 }
 
-static ssize_t cs42l52_beep_set(struct device *dev,
-			       struct device_attribute *attr,
-			       const char *buf, size_t count)
+static ssize_t beep_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t count)
 {
 	struct cs42l52_private *cs42l52 = dev_get_drvdata(dev);
 	long int time;
@@ -1033,16 +993,16 @@ static ssize_t cs42l52_beep_set(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(beep, 0200, NULL, cs42l52_beep_set);
+static DEVICE_ATTR_WO(beep);
 
-static void cs42l52_init_beep(struct snd_soc_codec *codec)
+static void cs42l52_init_beep(struct snd_soc_component *component)
 {
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 	int ret;
 
-	cs42l52->beep = devm_input_allocate_device(codec->dev);
+	cs42l52->beep = devm_input_allocate_device(component->dev);
 	if (!cs42l52->beep) {
-		dev_err(codec->dev, "Failed to allocate beep device\n");
+		dev_err(component->dev, "Failed to allocate beep device\n");
 		return;
 	}
 
@@ -1050,132 +1010,79 @@ static void cs42l52_init_beep(struct snd_soc_codec *codec)
 	cs42l52->beep_rate = 0;
 
 	cs42l52->beep->name = "CS42L52 Beep Generator";
-	cs42l52->beep->phys = dev_name(codec->dev);
+	cs42l52->beep->phys = dev_name(component->dev);
 	cs42l52->beep->id.bustype = BUS_I2C;
 
 	cs42l52->beep->evbit[0] = BIT_MASK(EV_SND);
 	cs42l52->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
 	cs42l52->beep->event = cs42l52_beep_event;
-	cs42l52->beep->dev.parent = codec->dev;
-	input_set_drvdata(cs42l52->beep, codec);
+	cs42l52->beep->dev.parent = component->dev;
+	input_set_drvdata(cs42l52->beep, component);
 
 	ret = input_register_device(cs42l52->beep);
 	if (ret != 0) {
 		cs42l52->beep = NULL;
-		dev_err(codec->dev, "Failed to register beep device\n");
+		dev_err(component->dev, "Failed to register beep device\n");
 	}
 
-	ret = device_create_file(codec->dev, &dev_attr_beep);
+	ret = device_create_file(component->dev, &dev_attr_beep);
 	if (ret != 0) {
-		dev_err(codec->dev, "Failed to create keyclick file: %d\n",
+		dev_err(component->dev, "Failed to create keyclick file: %d\n",
 			ret);
 	}
 }
 
-static void cs42l52_free_beep(struct snd_soc_codec *codec)
+static void cs42l52_free_beep(struct snd_soc_component *component)
 {
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 
-	device_remove_file(codec->dev, &dev_attr_beep);
+	device_remove_file(component->dev, &dev_attr_beep);
 	cancel_work_sync(&cs42l52->beep_work);
 	cs42l52->beep = NULL;
 
-	snd_soc_update_bits(codec, CS42L52_BEEP_TONE_CTL,
+	snd_soc_component_update_bits(component, CS42L52_BEEP_TONE_CTL,
 			    CS42L52_BEEP_EN_MASK, 0);
 }
-#else
-static void cs42l52_init_beep(struct snd_soc_codec *codec)
-{
-}
-
-static void cs42l52_free_beep(struct snd_soc_codec *codec)
-{
-}
-#endif
 
-static int cs42l52_probe(struct snd_soc_codec *codec)
+static int cs42l52_probe(struct snd_soc_component *component)
 {
-	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
-	int ret;
+	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);
 
-	codec->control_data = cs42l52->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;
-	}
 	regcache_cache_only(cs42l52->regmap, true);
 
-	cs42l52_init_beep(codec);
+	cs42l52_add_mic_controls(component);
 
-	cs42l52_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+	cs42l52_init_beep(component);
 
 	cs42l52->sysclk = CS42L52_DEFAULT_CLK;
 	cs42l52->config.format = CS42L52_DEFAULT_FORMAT;
 
-	/* Set Platform MICx CFG */
-	snd_soc_update_bits(codec, CS42L52_MICA_CTL,
-			    CS42L52_MIC_CTL_TYPE_MASK,
-				cs42l52->pdata.mica_cfg <<
-				CS42L52_MIC_CTL_TYPE_SHIFT);
-
-	snd_soc_update_bits(codec, CS42L52_MICB_CTL,
-			    CS42L52_MIC_CTL_TYPE_MASK,
-				cs42l52->pdata.micb_cfg <<
-				CS42L52_MIC_CTL_TYPE_SHIFT);
-
-	/* if Single Ended, Get Mic_Select */
-	if (cs42l52->pdata.mica_cfg)
-		snd_soc_update_bits(codec, CS42L52_MICA_CTL,
-				    CS42L52_MIC_CTL_MIC_SEL_MASK,
-				cs42l52->pdata.mica_sel <<
-				CS42L52_MIC_CTL_MIC_SEL_SHIFT);
-	if (cs42l52->pdata.micb_cfg)
-		snd_soc_update_bits(codec, CS42L52_MICB_CTL,
-				    CS42L52_MIC_CTL_MIC_SEL_MASK,
-				cs42l52->pdata.micb_sel <<
-				CS42L52_MIC_CTL_MIC_SEL_SHIFT);
-
-	/* Set Platform Charge Pump Freq */
-	snd_soc_update_bits(codec, CS42L52_CHARGE_PUMP,
-			    CS42L52_CHARGE_PUMP_MASK,
-				cs42l52->pdata.chgfreq <<
-				CS42L52_CHARGE_PUMP_SHIFT);
-
-	/* Set Platform Bias Level */
-	snd_soc_update_bits(codec, CS42L52_IFACE_CTL2,
-			    CS42L52_IFACE_CTL2_BIAS_LVL,
-				cs42l52->pdata.micbias_lvl);
-
-	return ret;
+	return 0;
 }
 
-static int cs42l52_remove(struct snd_soc_codec *codec)
+static void cs42l52_remove(struct snd_soc_component *component)
 {
-	cs42l52_free_beep(codec);
-	cs42l52_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-	return 0;
+	cs42l52_free_beep(component);
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_cs42l52 = {
-	.probe = cs42l52_probe,
-	.remove = cs42l52_remove,
-	.suspend = cs42l52_suspend,
-	.resume = cs42l52_resume,
-	.set_bias_level = cs42l52_set_bias_level,
-
-	.dapm_widgets = cs42l52_dapm_widgets,
-	.num_dapm_widgets = ARRAY_SIZE(cs42l52_dapm_widgets),
-	.dapm_routes = cs42l52_audio_map,
-	.num_dapm_routes = ARRAY_SIZE(cs42l52_audio_map),
-
-	.controls = cs42l52_snd_controls,
-	.num_controls = ARRAY_SIZE(cs42l52_snd_controls),
+static const struct snd_soc_component_driver soc_component_dev_cs42l52 = {
+	.probe			= cs42l52_probe,
+	.remove			= cs42l52_remove,
+	.set_bias_level		= cs42l52_set_bias_level,
+	.controls		= cs42l52_snd_controls,
+	.num_controls		= ARRAY_SIZE(cs42l52_snd_controls),
+	.dapm_widgets		= cs42l52_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(cs42l52_dapm_widgets),
+	.dapm_routes		= cs42l52_audio_map,
+	.num_dapm_routes	= ARRAY_SIZE(cs42l52_audio_map),
+	.suspend_bias_off	= 1,
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
 };
 
 /* Current and threshold powerup sequence Pg37 */
-static const struct reg_default cs42l52_threshold_patch[] = {
+static const struct reg_sequence cs42l52_threshold_patch[] = {
 
 	{ 0x00, 0x99 },
 	{ 0x3E, 0xBA },
@@ -1186,7 +1093,7 @@ static const struct reg_default cs42l52_threshold_patch[] = {
 
 };
 
-static struct regmap_config cs42l52_regmap = {
+static const struct regmap_config cs42l52_regmap = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
@@ -1195,19 +1102,19 @@ static struct regmap_config cs42l52_regmap = {
 	.num_reg_defaults = ARRAY_SIZE(cs42l52_reg_defaults),
 	.readable_reg = cs42l52_readable_register,
 	.volatile_reg = cs42l52_volatile_register,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
-static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
-			     const struct i2c_device_id *id)
+static int cs42l52_i2c_probe(struct i2c_client *i2c_client)
 {
 	struct cs42l52_private *cs42l52;
+	struct cs42l52_platform_data *pdata;
 	int ret;
-	unsigned int devid = 0;
+	unsigned int devid;
 	unsigned int reg;
+	u32 val32;
 
-	cs42l52 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l52_private),
-			       GFP_KERNEL);
+	cs42l52 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l52), GFP_KERNEL);
 	if (cs42l52 == NULL)
 		return -ENOMEM;
 	cs42l52->dev = &i2c_client->dev;
@@ -1219,11 +1126,45 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 		return ret;
 	}
 
-	i2c_set_clientdata(i2c_client, cs42l52);
+	pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		return -ENOMEM;
+
+	if (i2c_client->dev.of_node) {
+		if (of_property_read_bool(i2c_client->dev.of_node,
+			"cirrus,mica-differential-cfg"))
+			pdata->mica_diff_cfg = true;
+
+		if (of_property_read_bool(i2c_client->dev.of_node,
+			"cirrus,micb-differential-cfg"))
+			pdata->micb_diff_cfg = true;
+
+		if (of_property_read_u32(i2c_client->dev.of_node,
+			"cirrus,micbias-lvl", &val32) >= 0)
+			pdata->micbias_lvl = val32;
+
+		if (of_property_read_u32(i2c_client->dev.of_node,
+			"cirrus,chgfreq-divisor", &val32) >= 0)
+			pdata->chgfreq = val32;
 
-	if (dev_get_platdata(&i2c_client->dev))
-		memcpy(&cs42l52->pdata, dev_get_platdata(&i2c_client->dev),
-		       sizeof(cs42l52->pdata));
+		pdata->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
+							    "cirrus,reset",
+							    GPIOD_OUT_LOW);
+
+		if (IS_ERR(pdata->reset_gpio))
+			return PTR_ERR(pdata->reset_gpio);
+
+		gpiod_set_consumer_name(pdata->reset_gpio, "CS42L52 /RST");
+	}
+
+	cs42l52->pdata = *pdata;
+
+	if (cs42l52->pdata.reset_gpio) {
+		gpiod_set_value_cansleep(cs42l52->pdata.reset_gpio, 1);
+		gpiod_set_value_cansleep(cs42l52->pdata.reset_gpio, 0);
+	}
+
+	i2c_set_clientdata(i2c_client, cs42l52);
 
 	ret = regmap_register_patch(cs42l52->regmap, cs42l52_threshold_patch,
 				    ARRAY_SIZE(cs42l52_threshold_patch));
@@ -1232,6 +1173,11 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 			 ret);
 
 	ret = regmap_read(cs42l52->regmap, CS42L52_CHIP, &reg);
+	if (ret) {
+		dev_err(&i2c_client->dev, "Failed to read chip ID: %d\n", ret);
+		return ret;
+	}
+
 	devid = reg & CS42L52_CHIP_ID_MASK;
 	if (devid != CS42L52_CHIP_ID) {
 		ret = -ENODEV;
@@ -1241,23 +1187,46 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 		return ret;
 	}
 
-	regcache_cache_only(cs42l52->regmap, true);
+	dev_info(&i2c_client->dev, "Cirrus Logic CS42L52, Revision: %02X\n",
+		 reg & CS42L52_CHIP_REV_MASK);
 
-	ret =  snd_soc_register_codec(&i2c_client->dev,
-			&soc_codec_dev_cs42l52, &cs42l52_dai, 1);
-	if (ret < 0)
-		return ret;
-	return 0;
-}
+	/* Set Platform Data */
+	if (cs42l52->pdata.mica_diff_cfg)
+		regmap_update_bits(cs42l52->regmap, CS42L52_MICA_CTL,
+				   CS42L52_MIC_CTL_TYPE_MASK,
+				cs42l52->pdata.mica_diff_cfg <<
+				CS42L52_MIC_CTL_TYPE_SHIFT);
 
-static int cs42l52_i2c_remove(struct i2c_client *client)
-{
-	snd_soc_unregister_codec(&client->dev);
-	return 0;
+	if (cs42l52->pdata.micb_diff_cfg)
+		regmap_update_bits(cs42l52->regmap, CS42L52_MICB_CTL,
+				   CS42L52_MIC_CTL_TYPE_MASK,
+				cs42l52->pdata.micb_diff_cfg <<
+				CS42L52_MIC_CTL_TYPE_SHIFT);
+
+	if (cs42l52->pdata.chgfreq)
+		regmap_update_bits(cs42l52->regmap, CS42L52_CHARGE_PUMP,
+				   CS42L52_CHARGE_PUMP_MASK,
+				cs42l52->pdata.chgfreq <<
+				CS42L52_CHARGE_PUMP_SHIFT);
+
+	if (cs42l52->pdata.micbias_lvl)
+		regmap_update_bits(cs42l52->regmap, CS42L52_IFACE_CTL2,
+				   CS42L52_IFACE_CTL2_BIAS_LVL,
+				cs42l52->pdata.micbias_lvl);
+
+	return devm_snd_soc_register_component(&i2c_client->dev,
+			&soc_component_dev_cs42l52, &cs42l52_dai, 1);
 }
 
+static const struct of_device_id cs42l52_of_match[] = {
+	{ .compatible = "cirrus,cs42l52", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, cs42l52_of_match);
+
+
 static const struct i2c_device_id cs42l52_id[] = {
-	{ "cs42l52", 0 },
+	{ "cs42l52" },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, cs42l52_id);
@@ -1265,11 +1234,10 @@ MODULE_DEVICE_TABLE(i2c, cs42l52_id);
 static struct i2c_driver cs42l52_i2c_driver = {
 	.driver = {
 		.name = "cs42l52",
-		.owner = THIS_MODULE,
+		.of_match_table = cs42l52_of_match,
 	},
 	.id_table = cs42l52_id,
-	.probe =    cs42l52_i2c_probe,
-	.remove =   cs42l52_i2c_remove,
+	.probe = cs42l52_i2c_probe,
 };
 
 module_i2c_driver(cs42l52_i2c_driver);