Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 592 insertions, 0 deletions

diff --git a/sound/soc/codecs/ml26124.c b/sound/soc/codecs/ml26124.c
new file mode 100644
index 0000000000..a45ef9d657
--- /dev/null
+++ b/sound/soc/codecs/ml26124.c
@@ -0,0 +1,592 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include "ml26124.h"
+
+#define DVOL_CTL_DVMUTE_ON		BIT(4)	/* Digital volume MUTE On */
+#define DVOL_CTL_DVMUTE_OFF		0	/* Digital volume MUTE Off */
+#define ML26124_SAI_NO_DELAY	BIT(1)
+#define ML26124_SAI_FRAME_SYNC	(BIT(5) | BIT(0)) /* For mono (Telecodec) */
+#define ML26134_CACHESIZE 212
+#define ML26124_VMID	BIT(1)
+#define ML26124_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 |\
+		       SNDRV_PCM_RATE_48000)
+#define ML26124_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |\
+			 SNDRV_PCM_FMTBIT_S32_LE)
+#define ML26124_NUM_REGISTER ML26134_CACHESIZE
+
+struct ml26124_priv {
+	u32 mclk;
+	u32 rate;
+	struct regmap *regmap;
+	int clk_in;
+	struct snd_pcm_substream *substream;
+};
+
+struct clk_coeff {
+	u32 mclk;
+	u32 rate;
+	u8 pllnl;
+	u8 pllnh;
+	u8 pllml;
+	u8 pllmh;
+	u8 plldiv;
+};
+
+/* ML26124 configuration */
+static const DECLARE_TLV_DB_SCALE(digital_tlv, -7150, 50, 0);
+
+static const DECLARE_TLV_DB_SCALE(alclvl, -2250, 150, 0);
+static const DECLARE_TLV_DB_SCALE(mingain, -1200, 600, 0);
+static const DECLARE_TLV_DB_SCALE(maxgain, -675, 600, 0);
+static const DECLARE_TLV_DB_SCALE(boost_vol, -1200, 75, 0);
+
+static const char * const ml26124_companding[] = {"16bit PCM", "u-law",
+						  "A-law"};
+
+static SOC_ENUM_SINGLE_DECL(ml26124_adc_companding_enum,
+			    ML26124_SAI_TRANS_CTL, 6, ml26124_companding);
+
+static SOC_ENUM_SINGLE_DECL(ml26124_dac_companding_enum,
+			    ML26124_SAI_RCV_CTL, 6, ml26124_companding);
+
+static const struct snd_kcontrol_new ml26124_snd_controls[] = {
+	SOC_SINGLE_TLV("Capture Digital Volume", ML26124_RECORD_DIG_VOL, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("Playback Digital Volume", ML26124_PLBAK_DIG_VOL, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("Digital Boost Volume", ML26124_DIGI_BOOST_VOL, 0,
+			0x3f, 0, boost_vol),
+	SOC_SINGLE_TLV("EQ Band0 Volume", ML26124_EQ_GAIN_BRAND0, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("EQ Band1 Volume", ML26124_EQ_GAIN_BRAND1, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("EQ Band2 Volume", ML26124_EQ_GAIN_BRAND2, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("EQ Band3 Volume", ML26124_EQ_GAIN_BRAND3, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("EQ Band4 Volume", ML26124_EQ_GAIN_BRAND4, 0,
+			0xff, 1, digital_tlv),
+	SOC_SINGLE_TLV("ALC Target Level", ML26124_ALC_TARGET_LEV, 0,
+			0xf, 1, alclvl),
+	SOC_SINGLE_TLV("ALC Min Input Volume", ML26124_ALC_MAXMIN_GAIN, 0,
+			7, 0, mingain),
+	SOC_SINGLE_TLV("ALC Max Input Volume", ML26124_ALC_MAXMIN_GAIN, 4,
+			7, 1, maxgain),
+	SOC_SINGLE_TLV("Playback Limiter Min Input Volume",
+			ML26124_PL_MAXMIN_GAIN, 0, 7, 0, mingain),
+	SOC_SINGLE_TLV("Playback Limiter Max Input Volume",
+			ML26124_PL_MAXMIN_GAIN, 4, 7, 1, maxgain),
+	SOC_SINGLE_TLV("Playback Boost Volume", ML26124_PLYBAK_BOST_VOL, 0,
+			0x3f, 0, boost_vol),
+	SOC_SINGLE("DC High Pass Filter Switch", ML26124_FILTER_EN, 0, 1, 0),
+	SOC_SINGLE("Noise High Pass Filter Switch", ML26124_FILTER_EN, 1, 1, 0),
+	SOC_SINGLE("ZC Switch", ML26124_PW_ZCCMP_PW_MNG, 1,
+		    1, 0),
+	SOC_SINGLE("EQ Band0 Switch", ML26124_FILTER_EN, 2, 1, 0),
+	SOC_SINGLE("EQ Band1 Switch", ML26124_FILTER_EN, 3, 1, 0),
+	SOC_SINGLE("EQ Band2 Switch", ML26124_FILTER_EN, 4, 1, 0),
+	SOC_SINGLE("EQ Band3 Switch", ML26124_FILTER_EN, 5, 1, 0),
+	SOC_SINGLE("EQ Band4 Switch", ML26124_FILTER_EN, 6, 1, 0),
+	SOC_SINGLE("Play Limiter", ML26124_DVOL_CTL, 0, 1, 0),
+	SOC_SINGLE("Capture Limiter", ML26124_DVOL_CTL, 1, 1, 0),
+	SOC_SINGLE("Digital Volume Fade Switch", ML26124_DVOL_CTL, 3, 1, 0),
+	SOC_SINGLE("Digital Switch", ML26124_DVOL_CTL, 4, 1, 0),
+	SOC_ENUM("DAC Companding", ml26124_dac_companding_enum),
+	SOC_ENUM("ADC Companding", ml26124_adc_companding_enum),
+};
+
+static const struct snd_kcontrol_new ml26124_output_mixer_controls[] = {
+	SOC_DAPM_SINGLE("DAC Switch", ML26124_SPK_AMP_OUT, 1, 1, 0),
+	SOC_DAPM_SINGLE("Line in loopback Switch", ML26124_SPK_AMP_OUT, 3, 1,
+			 0),
+	SOC_DAPM_SINGLE("PGA Switch", ML26124_SPK_AMP_OUT, 5, 1, 0),
+};
+
+/* Input mux */
+static const char * const ml26124_input_select[] = {"Analog MIC SingleEnded in",
+				"Digital MIC in", "Analog MIC Differential in"};
+
+static SOC_ENUM_SINGLE_DECL(ml26124_insel_enum,
+			    ML26124_MIC_IF_CTL, 0, ml26124_input_select);
+
+static const struct snd_kcontrol_new ml26124_input_mux_controls =
+	SOC_DAPM_ENUM("Input Select", ml26124_insel_enum);
+
+static const struct snd_kcontrol_new ml26124_line_control =
+	SOC_DAPM_SINGLE("Switch", ML26124_PW_LOUT_PW_MNG, 1, 1, 0);
+
+static const struct snd_soc_dapm_widget ml26124_dapm_widgets[] = {
+	SND_SOC_DAPM_SUPPLY("MCLKEN", ML26124_CLK_EN, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("PLLEN", ML26124_CLK_EN, 1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("PLLOE", ML26124_CLK_EN, 2, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MICBIAS", ML26124_PW_REF_PW_MNG, 2, 0, NULL, 0),
+	SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
+			   &ml26124_output_mixer_controls[0],
+			   ARRAY_SIZE(ml26124_output_mixer_controls)),
+	SND_SOC_DAPM_DAC("DAC", "Playback", ML26124_PW_DAC_PW_MNG, 1, 0),
+	SND_SOC_DAPM_ADC("ADC", "Capture", ML26124_PW_IN_PW_MNG, 1, 0),
+	SND_SOC_DAPM_PGA("PGA", ML26124_PW_IN_PW_MNG, 3, 0, NULL, 0),
+	SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
+			  &ml26124_input_mux_controls),
+	SND_SOC_DAPM_SWITCH("Line Out Enable", SND_SOC_NOPM, 0, 0,
+			     &ml26124_line_control),
+	SND_SOC_DAPM_INPUT("MDIN"),
+	SND_SOC_DAPM_INPUT("MIN"),
+	SND_SOC_DAPM_INPUT("LIN"),
+	SND_SOC_DAPM_OUTPUT("SPOUT"),
+	SND_SOC_DAPM_OUTPUT("LOUT"),
+};
+
+static const struct snd_soc_dapm_route ml26124_intercon[] = {
+	/* Supply */
+	{"DAC", NULL, "MCLKEN"},
+	{"ADC", NULL, "MCLKEN"},
+	{"DAC", NULL, "PLLEN"},
+	{"ADC", NULL, "PLLEN"},
+	{"DAC", NULL, "PLLOE"},
+	{"ADC", NULL, "PLLOE"},
+
+	/* output mixer */
+	{"Output Mixer", "DAC Switch", "DAC"},
+	{"Output Mixer", "Line in loopback Switch", "LIN"},
+
+	/* outputs */
+	{"LOUT", NULL, "Output Mixer"},
+	{"SPOUT", NULL, "Output Mixer"},
+	{"Line Out Enable", NULL, "LOUT"},
+
+	/* input */
+	{"ADC", NULL, "Input Mux"},
+	{"Input Mux", "Analog MIC SingleEnded in", "PGA"},
+	{"Input Mux", "Analog MIC Differential in", "PGA"},
+	{"PGA", NULL, "MIN"},
+};
+
+/* PLLOutputFreq(Hz) = InputMclkFreq(Hz) * PLLM / (PLLN * PLLDIV) */
+static const struct clk_coeff coeff_div[] = {
+	{12288000, 16000, 0xc, 0x0, 0x20, 0x0, 0x4},
+	{12288000, 32000, 0xc, 0x0, 0x20, 0x0, 0x4},
+	{12288000, 48000, 0xc, 0x0, 0x30, 0x0, 0x4},
+};
+
+static const struct reg_default ml26124_reg[] = {
+	/* CLOCK control Register */
+	{0x00, 0x00 },	/* Sampling Rate */
+	{0x02, 0x00},	/* PLL NL */
+	{0x04, 0x00},	/* PLLNH */
+	{0x06, 0x00},	/* PLLML */
+	{0x08, 0x00},	/* MLLMH */
+	{0x0a, 0x00},	/* PLLDIV */
+	{0x0c, 0x00},	/* Clock Enable */
+	{0x0e, 0x00},	/* CLK Input/Output Control */
+
+	/* System Control Register */
+	{0x10, 0x00},	/* Software RESET */
+	{0x12, 0x00},	/* Record/Playback Run */
+	{0x14, 0x00},	/* Mic Input/Output control */
+
+	/* Power Management Register */
+	{0x20, 0x00},	/* Reference Power Management */
+	{0x22, 0x00},	/* Input Power Management */
+	{0x24, 0x00},	/* DAC Power Management */
+	{0x26, 0x00},	/* SP-AMP Power Management */
+	{0x28, 0x00},	/* LINEOUT Power Management */
+	{0x2a, 0x00},	/* VIDEO Power Management */
+	{0x2e, 0x00},	/* AC-CMP Power Management */
+
+	/* Analog reference Control Register */
+	{0x30, 0x04},	/* MICBIAS Voltage Control */
+
+	/* Input/Output Amplifier Control Register */
+	{0x32, 0x10},	/* MIC Input Volume */
+	{0x38, 0x00},	/* Mic Boost Volume */
+	{0x3a, 0x33},	/* Speaker AMP Volume */
+	{0x48, 0x00},	/* AMP Volume Control Function Enable */
+	{0x4a, 0x00},	/* Amplifier Volume Fader Control */
+
+	/* Analog Path Control Register */
+	{0x54, 0x00},	/* Speaker AMP Output Control */
+	{0x5a, 0x00},	/* Mic IF Control */
+	{0xe8, 0x01},	/* Mic Select Control */
+
+	/* Audio Interface Control Register */
+	{0x60, 0x00},	/* SAI-Trans Control */
+	{0x62, 0x00},	/* SAI-Receive Control */
+	{0x64, 0x00},	/* SAI Mode select */
+
+	/* DSP Control Register */
+	{0x66, 0x01},	/* Filter Func Enable */
+	{0x68, 0x00},	/* Volume Control Func Enable */
+	{0x6A, 0x00},	/* Mixer & Volume Control*/
+	{0x6C, 0xff},	/* Record Digital Volume */
+	{0x70, 0xff},	/* Playback Digital Volume */
+	{0x72, 0x10},	/* Digital Boost Volume */
+	{0x74, 0xe7},	/* EQ gain Band0 */
+	{0x76, 0xe7},	/* EQ gain Band1 */
+	{0x78, 0xe7},	/* EQ gain Band2 */
+	{0x7A, 0xe7},	/* EQ gain Band3 */
+	{0x7C, 0xe7},	/* EQ gain Band4 */
+	{0x7E, 0x00},	/* HPF2 CutOff*/
+	{0x80, 0x00},	/* EQ Band0 Coef0L */
+	{0x82, 0x00},	/* EQ Band0 Coef0H */
+	{0x84, 0x00},	/* EQ Band0 Coef0L */
+	{0x86, 0x00},	/* EQ Band0 Coef0H */
+	{0x88, 0x00},	/* EQ Band1 Coef0L */
+	{0x8A, 0x00},	/* EQ Band1 Coef0H */
+	{0x8C, 0x00},	/* EQ Band1 Coef0L */
+	{0x8E, 0x00},	/* EQ Band1 Coef0H */
+	{0x90, 0x00},	/* EQ Band2 Coef0L */
+	{0x92, 0x00},	/* EQ Band2 Coef0H */
+	{0x94, 0x00},	/* EQ Band2 Coef0L */
+	{0x96, 0x00},	/* EQ Band2 Coef0H */
+	{0x98, 0x00},	/* EQ Band3 Coef0L */
+	{0x9A, 0x00},	/* EQ Band3 Coef0H */
+	{0x9C, 0x00},	/* EQ Band3 Coef0L */
+	{0x9E, 0x00},	/* EQ Band3 Coef0H */
+	{0xA0, 0x00},	/* EQ Band4 Coef0L */
+	{0xA2, 0x00},	/* EQ Band4 Coef0H */
+	{0xA4, 0x00},	/* EQ Band4 Coef0L */
+	{0xA6, 0x00},	/* EQ Band4 Coef0H */
+
+	/* ALC Control Register */
+	{0xb0, 0x00},	/* ALC Mode */
+	{0xb2, 0x02},	/* ALC Attack Time */
+	{0xb4, 0x03},	/* ALC Decay Time */
+	{0xb6, 0x00},	/* ALC Hold Time */
+	{0xb8, 0x0b},	/* ALC Target Level */
+	{0xba, 0x70},	/* ALC Max/Min Gain */
+	{0xbc, 0x00},	/* Noise Gate Threshold */
+	{0xbe, 0x00},	/* ALC ZeroCross TimeOut */
+
+	/* Playback Limiter Control Register */
+	{0xc0, 0x04},	/* PL Attack Time */
+	{0xc2, 0x05},	/* PL Decay Time */
+	{0xc4, 0x0d},	/* PL Target Level */
+	{0xc6, 0x70},	/* PL Max/Min Gain */
+	{0xc8, 0x10},	/* Playback Boost Volume */
+	{0xca, 0x00},	/* PL ZeroCross TimeOut */
+
+	/* Video Amplifier Control Register */
+	{0xd0, 0x01},	/* VIDEO AMP Gain Control */
+	{0xd2, 0x01},	/* VIDEO AMP Setup 1 */
+	{0xd4, 0x01},	/* VIDEO AMP Control2 */
+};
+
+/* Get sampling rate value of sampling rate setting register (0x0) */
+static inline int get_srate(int rate)
+{
+	int srate;
+
+	switch (rate) {
+	case 16000:
+		srate = 3;
+		break;
+	case 32000:
+		srate = 6;
+		break;
+	case 48000:
+		srate = 8;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return srate;
+}
+
+static inline int get_coeff(int mclk, int rate)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+		if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+			return i;
+	}
+	return -EINVAL;
+}
+
+static int ml26124_hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *hw_params,
+			    struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct ml26124_priv *priv = snd_soc_component_get_drvdata(component);
+	int i = get_coeff(priv->mclk, params_rate(hw_params));
+	int srate;
+
+	if (i < 0)
+		return i;
+	priv->substream = substream;
+	priv->rate = params_rate(hw_params);
+
+	if (priv->clk_in) {
+		switch (priv->mclk / params_rate(hw_params)) {
+		case 256:
+			snd_soc_component_update_bits(component, ML26124_CLK_CTL,
+					    BIT(0) | BIT(1), 1);
+			break;
+		case 512:
+			snd_soc_component_update_bits(component, ML26124_CLK_CTL,
+					    BIT(0) | BIT(1), 2);
+			break;
+		case 1024:
+			snd_soc_component_update_bits(component, ML26124_CLK_CTL,
+					    BIT(0) | BIT(1), 3);
+			break;
+		default:
+			dev_err(component->dev, "Unsupported MCLKI\n");
+			break;
+		}
+	} else {
+		snd_soc_component_update_bits(component, ML26124_CLK_CTL,
+				    BIT(0) | BIT(1), 0);
+	}
+
+	srate = get_srate(params_rate(hw_params));
+	if (srate < 0)
+		return srate;
+
+	snd_soc_component_update_bits(component, ML26124_SMPLING_RATE, 0xf, srate);
+	snd_soc_component_update_bits(component, ML26124_PLLNL, 0xff, coeff_div[i].pllnl);
+	snd_soc_component_update_bits(component, ML26124_PLLNH, 0x1, coeff_div[i].pllnh);
+	snd_soc_component_update_bits(component, ML26124_PLLML, 0xff, coeff_div[i].pllml);
+	snd_soc_component_update_bits(component, ML26124_PLLMH, 0x3f, coeff_div[i].pllmh);
+	snd_soc_component_update_bits(component, ML26124_PLLDIV, 0x1f, coeff_div[i].plldiv);
+
+	return 0;
+}
+
+static int ml26124_mute(struct snd_soc_dai *dai, int mute, int direction)
+{
+	struct snd_soc_component *component = dai->component;
+	struct ml26124_priv *priv = snd_soc_component_get_drvdata(component);
+
+	switch (priv->substream->stream) {
+	case SNDRV_PCM_STREAM_CAPTURE:
+		snd_soc_component_update_bits(component, ML26124_REC_PLYBAK_RUN, BIT(0), 1);
+		break;
+	case SNDRV_PCM_STREAM_PLAYBACK:
+		snd_soc_component_update_bits(component, ML26124_REC_PLYBAK_RUN, BIT(1), 2);
+		break;
+	}
+
+	if (mute)
+		snd_soc_component_update_bits(component, ML26124_DVOL_CTL, BIT(4),
+				    DVOL_CTL_DVMUTE_ON);
+	else
+		snd_soc_component_update_bits(component, ML26124_DVOL_CTL, BIT(4),
+				    DVOL_CTL_DVMUTE_OFF);
+
+	return 0;
+}
+
+static int ml26124_set_dai_fmt(struct snd_soc_dai *codec_dai,
+		unsigned int fmt)
+{
+	unsigned char mode;
+	struct snd_soc_component *component = codec_dai->component;
+
+	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+	case SND_SOC_DAIFMT_CBP_CFP:
+		mode = 1;
+		break;
+	case SND_SOC_DAIFMT_CBC_CFC:
+		mode = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+	snd_soc_component_update_bits(component, ML26124_SAI_MODE_SEL, BIT(0), mode);
+
+	/* interface format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* clock inversion */
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int ml26124_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+		int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	struct ml26124_priv *priv = snd_soc_component_get_drvdata(component);
+
+	switch (clk_id) {
+	case ML26124_USE_PLLOUT:
+		priv->clk_in = ML26124_USE_PLLOUT;
+		break;
+	case ML26124_USE_MCLKI:
+		priv->clk_in = ML26124_USE_MCLKI;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	priv->mclk = freq;
+
+	return 0;
+}
+
+static int ml26124_set_bias_level(struct snd_soc_component *component,
+		enum snd_soc_bias_level level)
+{
+	struct ml26124_priv *priv = snd_soc_component_get_drvdata(component);
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		snd_soc_component_update_bits(component, ML26124_PW_SPAMP_PW_MNG,
+				    ML26124_R26_MASK, ML26124_BLT_PREAMP_ON);
+		msleep(100);
+		snd_soc_component_update_bits(component, ML26124_PW_SPAMP_PW_MNG,
+				    ML26124_R26_MASK,
+				    ML26124_MICBEN_ON | ML26124_BLT_ALL_ON);
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		/* VMID ON */
+		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+			snd_soc_component_update_bits(component, ML26124_PW_REF_PW_MNG,
+					    ML26124_VMID, ML26124_VMID);
+			msleep(500);
+			regcache_sync(priv->regmap);
+		}
+		break;
+	case SND_SOC_BIAS_OFF:
+		/* VMID OFF */
+		snd_soc_component_update_bits(component, ML26124_PW_REF_PW_MNG,
+				    ML26124_VMID, 0);
+		break;
+	}
+	return 0;
+}
+
+static const struct snd_soc_dai_ops ml26124_dai_ops = {
+	.hw_params	= ml26124_hw_params,
+	.mute_stream	= ml26124_mute,
+	.set_fmt	= ml26124_set_dai_fmt,
+	.set_sysclk	= ml26124_set_dai_sysclk,
+	.no_capture_mute = 1,
+};
+
+static struct snd_soc_dai_driver ml26124_dai = {
+	.name = "ml26124-hifi",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = ML26124_RATES,
+		.formats = ML26124_FORMATS,},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = ML26124_RATES,
+		.formats = ML26124_FORMATS,},
+	.ops = &ml26124_dai_ops,
+	.symmetric_rate = 1,
+};
+
+static int ml26124_probe(struct snd_soc_component *component)
+{
+	/* Software Reset */
+	snd_soc_component_update_bits(component, ML26124_SW_RST, 0x01, 1);
+	snd_soc_component_update_bits(component, ML26124_SW_RST, 0x01, 0);
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_ml26124 = {
+	.probe			= ml26124_probe,
+	.set_bias_level		= ml26124_set_bias_level,
+	.controls		= ml26124_snd_controls,
+	.num_controls		= ARRAY_SIZE(ml26124_snd_controls),
+	.dapm_widgets		= ml26124_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(ml26124_dapm_widgets),
+	.dapm_routes		= ml26124_intercon,
+	.num_dapm_routes	= ARRAY_SIZE(ml26124_intercon),
+	.suspend_bias_off	= 1,
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+};
+
+static const struct regmap_config ml26124_i2c_regmap = {
+	.val_bits = 8,
+	.reg_bits = 8,
+	.max_register = ML26124_NUM_REGISTER,
+	.reg_defaults = ml26124_reg,
+	.num_reg_defaults = ARRAY_SIZE(ml26124_reg),
+	.cache_type = REGCACHE_RBTREE,
+	.write_flag_mask = 0x01,
+};
+
+static int ml26124_i2c_probe(struct i2c_client *i2c)
+{
+	struct ml26124_priv *priv;
+	int ret;
+
+	priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, priv);
+
+	priv->regmap = devm_regmap_init_i2c(i2c, &ml26124_i2c_regmap);
+	if (IS_ERR(priv->regmap)) {
+		ret = PTR_ERR(priv->regmap);
+		dev_err(&i2c->dev, "regmap_init_i2c() failed: %d\n", ret);
+		return ret;
+	}
+
+	return devm_snd_soc_register_component(&i2c->dev,
+			&soc_component_dev_ml26124, &ml26124_dai, 1);
+}
+
+static const struct i2c_device_id ml26124_i2c_id[] = {
+	{ "ml26124", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ml26124_i2c_id);
+
+static struct i2c_driver ml26124_i2c_driver = {
+	.driver = {
+		.name = "ml26124",
+	},
+	.probe = ml26124_i2c_probe,
+	.id_table = ml26124_i2c_id,
+};
+
+module_i2c_driver(ml26124_i2c_driver);
+
+MODULE_AUTHOR("Tomoya MORINAGA <tomoya.rohm@gmail.com>");
+MODULE_DESCRIPTION("LAPIS Semiconductor ML26124 ALSA SoC codec driver");
+MODULE_LICENSE("GPL");