TAS5805M: 关于TAS5805M在RK3566-Android11的相关驱动问题

/*
 * TAS571x amplifier audio driver
 *
 * Copyright (C) 2015 Google, Inc.
 * Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
 *
 * TAS5721 support:
 * Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
 *
 * TAS5707 support:
 * Copyright (C) 2018 Jerome Brunet, Baylibre SAS <jbrunet@baylibre.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/stddef.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <asm/unaligned.h>

#include "tas571x.h"

#define TAS571X_MAX_SUPPLIES		6

struct tas571x_chip {
	const char			*const *supply_names;
	int				num_supply_names;
	const struct snd_kcontrol_new	*controls;
	int				num_controls;
	const struct regmap_config	*regmap_config;
	int				vol_reg_size;
};

struct tas571x_private {
	const struct tas571x_chip	*chip;
	struct regmap			*regmap;
	struct regulator_bulk_data	supplies[TAS571X_MAX_SUPPLIES];
	struct clk			*mclk;
	unsigned int			format;
	struct gpio_desc		*reset_gpio;
	struct gpio_desc		*pdn_gpio;
	struct snd_soc_component_driver	component_driver;
};

static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
{
	switch (reg) {
	case TAS571X_MVOL_REG:
	case TAS571X_CH1_VOL_REG:
	case TAS571X_CH2_VOL_REG:
		return priv->chip->vol_reg_size;
	case TAS571X_INPUT_MUX_REG:
	case TAS571X_CH4_SRC_SELECT_REG:
	case TAS571X_PWM_MUX_REG:
	case TAS5717_CH1_RIGHT_CH_MIX_REG:
	case TAS5717_CH1_LEFT_CH_MIX_REG:
	case TAS5717_CH2_LEFT_CH_MIX_REG:
	case TAS5717_CH2_RIGHT_CH_MIX_REG:
		return 4;
	default:
		return 1;
	}
}

static int tas571x_reg_write(void *context, unsigned int reg,
			     unsigned int value)
{
	struct i2c_client *client = context;
	struct tas571x_private *priv = i2c_get_clientdata(client);
	unsigned int i, size;
	uint8_t buf[5];
	int ret;

	size = tas571x_register_size(priv, reg);
	buf[0] = reg;

	for (i = size; i >= 1; --i) {
		buf[i] = value;
		value >>= 8;
	}

	ret = i2c_master_send(client, buf, size + 1);
	if (ret == size + 1)
		return 0;
	else if (ret < 0)
		return ret;
	else
		return -EIO;
}

static int tas571x_reg_read(void *context, unsigned int reg,
			    unsigned int *value)
{
	struct i2c_client *client = context;
	struct tas571x_private *priv = i2c_get_clientdata(client);
	uint8_t send_buf, recv_buf[4];
	struct i2c_msg msgs[2];
	unsigned int size;
	unsigned int i;
	int ret;

	size = tas571x_register_size(priv, reg);
	send_buf = reg;

	msgs[0].addr = client->addr;
	msgs[0].len = sizeof(send_buf);
	msgs[0].buf = &send_buf;
	msgs[0].flags = 0;

	msgs[1].addr = client->addr;
	msgs[1].len = size;
	msgs[1].buf = recv_buf;
	msgs[1].flags = I2C_M_RD;

	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
	if (ret < 0)
		return ret;
	else if (ret != ARRAY_SIZE(msgs))
		return -EIO;

	*value = 0;

	for (i = 0; i < size; i++) {
		*value <<= 8;
		*value |= recv_buf[i];
	}

	return 0;
}

/*
 * register write for 8- and 20-byte registers
 */
static int tas571x_reg_write_multiword(struct i2c_client *client,
		unsigned int reg, const long values[], size_t len)
{
	size_t i;
	uint8_t *buf, *p;
	int ret;
	size_t send_size = 1 + len * sizeof(uint32_t);

	buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA);
	if (!buf)
		return -ENOMEM;
	buf[0] = reg;

	for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t))
		put_unaligned_be32(values[i], p);

	ret = i2c_master_send(client, buf, send_size);

	kfree(buf);

	if (ret == send_size)
		return 0;
	else if (ret < 0)
		return ret;
	else
		return -EIO;
}

/*
 * register read for 8- and 20-byte registers
 */
static int tas571x_reg_read_multiword(struct i2c_client *client,
		unsigned int reg, long values[], size_t len)
{
	unsigned int i;
	uint8_t send_buf;
	uint8_t *recv_buf, *p;
	struct i2c_msg msgs[2];
	unsigned int recv_size = len * sizeof(uint32_t);
	int ret;

	recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA);
	if (!recv_buf)
		return -ENOMEM;

	send_buf = reg;

	msgs[0].addr = client->addr;
	msgs[0].len = sizeof(send_buf);
	msgs[0].buf = &send_buf;
	msgs[0].flags = 0;

	msgs[1].addr = client->addr;
	msgs[1].len = recv_size;
	msgs[1].buf = recv_buf;
	msgs[1].flags = I2C_M_RD;

	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
	if (ret < 0)
		goto err_ret;
	else if (ret != ARRAY_SIZE(msgs)) {
		ret = -EIO;
		goto err_ret;
	}

	for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t))
		values[i] = get_unaligned_be32(p);

err_ret:
	kfree(recv_buf);
	return ret;
}

/*
 * Integer array controls for setting biquad, mixer, DRC coefficients.
 * According to the datasheet each coefficient is effectively 26bits,
 * i.e. stored as 32bits, where bits [31:26] are ignored.
 * TI's TAS57xx Graphical Development Environment tool however produces
 * coefficients with more than 26 bits. For this reason we allow values
 * in the full 32-bits reange.
 * The coefficients are ordered as given in the TAS571x data sheet:
 * b0, b1, b2, a1, a2
 */

static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_info *uinfo)
{
	int numcoef = kcontrol->private_value >> 16;

	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = numcoef;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 0xffffffff;
	return 0;
}

static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	struct i2c_client *i2c = to_i2c_client(component->dev);
	int numcoef = kcontrol->private_value >> 16;
	int index = kcontrol->private_value & 0xffff;

	return tas571x_reg_read_multiword(i2c, index,
		ucontrol->value.integer.value, numcoef);
}

static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	struct i2c_client *i2c = to_i2c_client(component->dev);
	int numcoef = kcontrol->private_value >> 16;
	int index = kcontrol->private_value & 0xffff;

	return tas571x_reg_write_multiword(i2c, index,
		ucontrol->value.integer.value, numcoef);
}

static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format)
{
	struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);

	priv->format = format;

	return 0;
}

static int tas571x_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params,
			     struct snd_soc_dai *dai)
{
	struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
	u32 val;

	switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_RIGHT_J:
		val = 0x00;
		break;
	case SND_SOC_DAIFMT_I2S:
		val = 0x03;
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		val = 0x06;
		break;
	default:
		return -EINVAL;
	}

	if (params_width(params) >= 24)
		val += 2;
	else if (params_width(params) >= 20)
		val += 1;

	return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
				  TAS571X_SDI_FMT_MASK, val);
}

static int tas571x_mute(struct snd_soc_dai *dai, int mute)
{
	struct snd_soc_component *component = dai->component;
	u8 sysctl2;
	int ret;

	sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;

	ret = snd_soc_component_update_bits(component,
			    TAS571X_SYS_CTRL_2_REG,
		     TAS571X_SYS_CTRL_2_SDN_MASK,
		     sysctl2);
	usleep_range(1000, 2000);

	return ret;
}

static int tas571x_set_bias_level(struct snd_soc_component *component,
				  enum snd_soc_bias_level level)
{
	struct tas571x_private *priv = snd_soc_component_get_drvdata(component);
	int ret;

	switch (level) {
	case SND_SOC_BIAS_ON:
		break;
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
			if (!IS_ERR(priv->mclk)) {
				ret = clk_prepare_enable(priv->mclk);
				if (ret) {
					dev_err(component->dev,
						"Failed to enable master clock: %d\n",
						ret);
					return ret;
				}
			}
		}
		break;
	case SND_SOC_BIAS_OFF:
		if (!IS_ERR(priv->mclk))
			clk_disable_unprepare(priv->mclk);
		break;
	}

	return 0;
}

static const struct snd_soc_dai_ops tas571x_dai_ops = {
	.set_fmt	= tas571x_set_dai_fmt,
	.hw_params	= tas571x_hw_params,
	.digital_mute	= tas571x_mute,
};


#define BIQUAD_COEFS(xname, reg) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = tas571x_coefficient_info, \
	.get = tas571x_coefficient_get,\
	.put = tas571x_coefficient_put, \
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.private_value = reg | (5 << 16) }

static const char *const tas5711_supply_names[] = {
	"AVDD",
	"DVDD",
	"PVDD_A",
	"PVDD_B",
	"PVDD_C",
	"PVDD_D",
};

static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);

static const struct snd_kcontrol_new tas5711_controls[] = {
	SOC_SINGLE_TLV("Master Volume",
		       TAS571X_MVOL_REG,
		       0, 0xff, 1, tas5711_volume_tlv),
	SOC_DOUBLE_R_TLV("Speaker Volume",
			 TAS571X_CH1_VOL_REG,
			 TAS571X_CH2_VOL_REG,
			 0, 0xff, 1, tas5711_volume_tlv),
	SOC_DOUBLE("Speaker Switch",
		   TAS571X_SOFT_MUTE_REG,
		   TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
		   1, 1),
};

static const struct regmap_range tas571x_readonly_regs_range[] = {
	regmap_reg_range(TAS571X_CLK_CTRL_REG,  TAS571X_DEV_ID_REG),
};

static const struct regmap_range tas571x_volatile_regs_range[] = {
	regmap_reg_range(TAS571X_CLK_CTRL_REG,  TAS571X_ERR_STATUS_REG),
	regmap_reg_range(TAS571X_OSC_TRIM_REG,  TAS571X_OSC_TRIM_REG),
};

static const struct regmap_access_table tas571x_write_regs = {
	.no_ranges =	tas571x_readonly_regs_range,
	.n_no_ranges =	ARRAY_SIZE(tas571x_readonly_regs_range),
};

static const struct regmap_access_table tas571x_volatile_regs = {
	.yes_ranges =	tas571x_volatile_regs_range,
	.n_yes_ranges =	ARRAY_SIZE(tas571x_volatile_regs_range),

};

static const struct reg_default tas5711_reg_defaults[] = {
	{ 0x04, 0x05 },
	{ 0x05, 0x40 },
	{ 0x06, 0x00 },
	{ 0x07, 0xff },
	{ 0x08, 0x30 },
	{ 0x09, 0x30 },
	{ 0x1b, 0x82 },
};

static const struct regmap_config tas5711_regmap_config = {
	.reg_bits			= 8,
	.val_bits			= 32,
	.max_register			= 0xff,
	.reg_read			= tas571x_reg_read,
	.reg_write			= tas571x_reg_write,
	.reg_defaults			= tas5711_reg_defaults,
	.num_reg_defaults		= ARRAY_SIZE(tas5711_reg_defaults),
	.cache_type			= REGCACHE_RBTREE,
	.wr_table			= &tas571x_write_regs,
	.volatile_table			= &tas571x_volatile_regs,
};

static const struct tas571x_chip tas5711_chip = {
	.supply_names			= tas5711_supply_names,
	.num_supply_names		= ARRAY_SIZE(tas5711_supply_names),
	.controls			= tas5711_controls,
	.num_controls			= ARRAY_SIZE(tas5711_controls),
	.regmap_config			= &tas5711_regmap_config,
	.vol_reg_size			= 1,
};

static const struct regmap_range tas5707_volatile_regs_range[] = {
	regmap_reg_range(TAS571X_CLK_CTRL_REG,  TAS571X_ERR_STATUS_REG),
	regmap_reg_range(TAS571X_OSC_TRIM_REG,  TAS571X_OSC_TRIM_REG),
	regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
};

static const struct regmap_access_table tas5707_volatile_regs = {
	.yes_ranges =	tas5707_volatile_regs_range,
	.n_yes_ranges =	ARRAY_SIZE(tas5707_volatile_regs_range),

};

static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);

static const char * const tas5707_volume_slew_step_txt[] = {
	"256", "512", "1024", "2048",
};

static const unsigned int tas5707_volume_slew_step_values[] = {
	3, 0, 1, 2,
};

static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
				  TAS571X_VOL_CFG_REG, 0, 0x3,
				  tas5707_volume_slew_step_txt,
				  tas5707_volume_slew_step_values);

static const struct snd_kcontrol_new tas5707_controls[] = {
	SOC_SINGLE_TLV("Master Volume",
		       TAS571X_MVOL_REG,
		       0, 0xff, 1, tas5707_volume_tlv),
	SOC_DOUBLE_R_TLV("Speaker Volume",
			 TAS571X_CH1_VOL_REG,
			 TAS571X_CH2_VOL_REG,
			 0, 0xff, 1, tas5707_volume_tlv),
	SOC_DOUBLE("Speaker Switch",
		   TAS571X_SOFT_MUTE_REG,
		   TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
		   1, 1),

	SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),

	BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
	BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
	BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
	BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
	BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
	BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
	BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),

	BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
	BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
	BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
	BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
	BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
	BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
	BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
};

static const struct reg_default tas5707_reg_defaults[] = {
	{TAS571X_CLK_CTRL_REG,		0x6c},
	{TAS571X_DEV_ID_REG,		0x70},
	{TAS571X_ERR_STATUS_REG,	0x00},
	{TAS571X_SYS_CTRL_1_REG,	0xa0},
	{TAS571X_SDI_REG,		0x05},
	{TAS571X_SYS_CTRL_2_REG,	0x40},
	{TAS571X_SOFT_MUTE_REG,		0x00},
	{TAS571X_MVOL_REG,		0xff},
	{TAS571X_CH1_VOL_REG,		0x30},
	{TAS571X_CH2_VOL_REG,		0x30},
	{TAS571X_VOL_CFG_REG,		0x91},
	{TAS571X_MODULATION_LIMIT_REG,	0x02},
	{TAS571X_IC_DELAY_CH1_REG,	0xac},
	{TAS571X_IC_DELAY_CH2_REG,	0x54},
	{TAS571X_IC_DELAY_CH3_REG,	0xac},
	{TAS571X_IC_DELAY_CH4_REG,	0x54},
	{TAS571X_START_STOP_PERIOD_REG,	0x0f},
	{TAS571X_OSC_TRIM_REG,		0x82},
	{TAS571X_BKND_ERR_REG,		0x02},
	{TAS571X_INPUT_MUX_REG,		0x17772},
	{TAS571X_PWM_MUX_REG,		0x1021345},
};

static const struct regmap_config tas5707_regmap_config = {
	.reg_bits			= 8,
	.val_bits			= 32,
	.max_register			= 0xff,
	.reg_read			= tas571x_reg_read,
	.reg_write			= tas571x_reg_write,
	.reg_defaults			= tas5707_reg_defaults,
	.num_reg_defaults		= ARRAY_SIZE(tas5707_reg_defaults),
	.cache_type			= REGCACHE_RBTREE,
	.wr_table			= &tas571x_write_regs,
	.volatile_table			= &tas5707_volatile_regs,
};

static const struct tas571x_chip tas5707_chip = {
	.supply_names			= tas5711_supply_names,
	.num_supply_names		= ARRAY_SIZE(tas5711_supply_names),
	.controls			= tas5707_controls,
	.num_controls			= ARRAY_SIZE(tas5707_controls),
	.regmap_config			= &tas5707_regmap_config,
	.vol_reg_size			= 1,
};

static const char *const tas5717_supply_names[] = {
	"AVDD",
	"DVDD",
	"HPVDD",
	"PVDD_AB",
	"PVDD_CD",
};

static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);

static const struct snd_kcontrol_new tas5717_controls[] = {
	/* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
	SOC_SINGLE_TLV("Master Volume",
		       TAS571X_MVOL_REG, 1, 0x1ff, 1,
		       tas5717_volume_tlv),
	SOC_DOUBLE_R_TLV("Speaker Volume",
			 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
			 1, 0x1ff, 1, tas5717_volume_tlv),
	SOC_DOUBLE("Speaker Switch",
		   TAS571X_SOFT_MUTE_REG,
		   TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
		   1, 1),

	SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
			   TAS5717_CH1_LEFT_CH_MIX_REG,
			   TAS5717_CH1_RIGHT_CH_MIX_REG,
			   16, 0, 0x80, 0),

	SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
			   TAS5717_CH2_LEFT_CH_MIX_REG,
			   TAS5717_CH2_RIGHT_CH_MIX_REG,
			   16, 0, 0x80, 0),

	/*
	 * The biquads are named according to the register names.
	 * Please note that TI's TAS57xx Graphical Development Environment
	 * tool names them different.
	 */
	BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
	BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
	BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
	BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
	BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
	BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
	BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
	BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
	BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
	BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
	BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
	BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),

	BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
	BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
	BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
	BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
	BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
	BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
	BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
	BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
	BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
	BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
	BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
	BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),

	BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
	BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),

	BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
	BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
};

static const struct reg_default tas5717_reg_defaults[] = {
	{ 0x04, 0x05 },
	{ 0x05, 0x40 },
	{ 0x06, 0x00 },
	{ 0x07, 0x03ff },
	{ 0x08, 0x00c0 },
	{ 0x09, 0x00c0 },
	{ 0x1b, 0x82 },
	{ TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
	{ TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
	{ TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
	{ TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
};

static const struct regmap_config tas5717_regmap_config = {
	.reg_bits			= 8,
	.val_bits			= 32,
	.max_register			= 0xff,
	.reg_read			= tas571x_reg_read,
	.reg_write			= tas571x_reg_write,
	.reg_defaults			= tas5717_reg_defaults,
	.num_reg_defaults		= ARRAY_SIZE(tas5717_reg_defaults),
	.cache_type			= REGCACHE_RBTREE,
	.wr_table			= &tas571x_write_regs,
	.volatile_table			= &tas571x_volatile_regs,
};

/* This entry is reused for tas5719 as the software interface is identical. */
static const struct tas571x_chip tas5717_chip = {
	.supply_names			= tas5717_supply_names,
	.num_supply_names		= ARRAY_SIZE(tas5717_supply_names),
	.controls			= tas5717_controls,
	.num_controls			= ARRAY_SIZE(tas5717_controls),
	.regmap_config			= &tas5717_regmap_config,
	.vol_reg_size			= 2,
};

static const char *const tas5721_supply_names[] = {
	"AVDD",
	"DVDD",
	"DRVDD",
	"PVDD",
};

static const struct snd_kcontrol_new tas5721_controls[] = {
	SOC_SINGLE_TLV("Master Volume",
		       TAS571X_MVOL_REG,
		       0, 0xff, 1, tas5711_volume_tlv),
	SOC_DOUBLE_R_TLV("Speaker Volume",
			 TAS571X_CH1_VOL_REG,
			 TAS571X_CH2_VOL_REG,
			 0, 0xff, 1, tas5711_volume_tlv),
	SOC_DOUBLE("Speaker Switch",
		   TAS571X_SOFT_MUTE_REG,
		   TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
		   1, 1),
};

static const struct reg_default tas5721_reg_defaults[] = {
	{TAS571X_CLK_CTRL_REG,		0x6c},
	{TAS571X_DEV_ID_REG,		0x00},
	{TAS571X_ERR_STATUS_REG,	0x00},
	{TAS571X_SYS_CTRL_1_REG,	0xa0},
	{TAS571X_SDI_REG,		0x05},
	{TAS571X_SYS_CTRL_2_REG,	0x40},
	{TAS571X_SOFT_MUTE_REG,		0x00},
	{TAS571X_MVOL_REG,		0xff},
	{TAS571X_CH1_VOL_REG,		0x30},
	{TAS571X_CH2_VOL_REG,		0x30},
	{TAS571X_CH3_VOL_REG,		0x30},
	{TAS571X_VOL_CFG_REG,		0x91},
	{TAS571X_MODULATION_LIMIT_REG,	0x02},
	{TAS571X_IC_DELAY_CH1_REG,	0xac},
	{TAS571X_IC_DELAY_CH2_REG,	0x54},
	{TAS571X_IC_DELAY_CH3_REG,	0xac},
	{TAS571X_IC_DELAY_CH4_REG,	0x54},
	{TAS571X_PWM_CH_SDN_GROUP_REG,	0x30},
	{TAS571X_START_STOP_PERIOD_REG,	0x0f},
	{TAS571X_OSC_TRIM_REG,		0x82},
	{TAS571X_BKND_ERR_REG,		0x02},
	{TAS571X_INPUT_MUX_REG,		0x17772},
	{TAS571X_CH4_SRC_SELECT_REG,	0x4303},
	{TAS571X_PWM_MUX_REG,		0x1021345},
};

static const struct regmap_config tas5721_regmap_config = {
	.reg_bits			= 8,
	.val_bits			= 32,
	.max_register			= 0xff,
	.reg_read			= tas571x_reg_read,
	.reg_write			= tas571x_reg_write,
	.reg_defaults			= tas5721_reg_defaults,
	.num_reg_defaults		= ARRAY_SIZE(tas5721_reg_defaults),
	.cache_type			= REGCACHE_RBTREE,
	.wr_table			= &tas571x_write_regs,
	.volatile_table			= &tas571x_volatile_regs,
};


static const struct tas571x_chip tas5721_chip = {
	.supply_names			= tas5721_supply_names,
	.num_supply_names		= ARRAY_SIZE(tas5721_supply_names),
	.controls			= tas5711_controls,
	.num_controls			= ARRAY_SIZE(tas5711_controls),
	.regmap_config			= &tas5721_regmap_config,
	.vol_reg_size			= 1,
};

static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
	SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),

	SND_SOC_DAPM_OUTPUT("OUT_A"),
	SND_SOC_DAPM_OUTPUT("OUT_B"),
	SND_SOC_DAPM_OUTPUT("OUT_C"),
	SND_SOC_DAPM_OUTPUT("OUT_D"),
};

static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
	{ "DACL",  NULL, "Playback" },
	{ "DACR",  NULL, "Playback" },

	{ "OUT_A", NULL, "DACL" },
	{ "OUT_B", NULL, "DACL" },
	{ "OUT_C", NULL, "DACR" },
	{ "OUT_D", NULL, "DACR" },
};

static const struct snd_soc_component_driver tas571x_component = {
	.set_bias_level		= tas571x_set_bias_level,
	.dapm_widgets		= tas571x_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(tas571x_dapm_widgets),
	.dapm_routes		= tas571x_dapm_routes,
	.num_dapm_routes	= ARRAY_SIZE(tas571x_dapm_routes),
	.use_pmdown_time	= 1,
	.endianness		= 1,
	.non_legacy_dai_naming	= 1,
};

static struct snd_soc_dai_driver tas571x_dai = {
	.name = "tas571x-hifi",
	.playback = {
		.stream_name = "Playback",
		.channels_min = 2,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000_48000,
		.formats = SNDRV_PCM_FMTBIT_S32_LE |
			   SNDRV_PCM_FMTBIT_S24_LE |
			   SNDRV_PCM_FMTBIT_S16_LE,
	},
	.ops = &tas571x_dai_ops,
};

static const struct of_device_id tas571x_of_match[];

static int tas571x_i2c_probe(struct i2c_client *client,
			     const struct i2c_device_id *id)
{
	struct tas571x_private *priv;
	struct device *dev = &client->dev;
	const struct of_device_id *of_id;
	int i, ret;

	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;
	i2c_set_clientdata(client, priv);

	of_id = of_match_device(tas571x_of_match, dev);
	if (of_id)
		priv->chip = of_id->data;
	else
		priv->chip = (void *) id->driver_data;

	priv->mclk = devm_clk_get(dev, "mclk");
	if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
		dev_err(dev, "Failed to request mclk: %ld\n",
			PTR_ERR(priv->mclk));
		return PTR_ERR(priv->mclk);
	}

	if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
		return -EINVAL;
	for (i = 0; i < priv->chip->num_supply_names; i++)
		priv->supplies[i].supply = priv->chip->supply_names[i];

	ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
				      priv->supplies);
	if (ret) {
		dev_err(dev, "Failed to get supplies: %d\n", ret);
		return ret;
	}
	ret = regulator_bulk_enable(priv->chip->num_supply_names,
				    priv->supplies);
	if (ret) {
		dev_err(dev, "Failed to enable supplies: %d\n", ret);
		return ret;
	}

	priv->regmap = devm_regmap_init(dev, NULL, client,
					priv->chip->regmap_config);
	if (IS_ERR(priv->regmap)) {
		ret = PTR_ERR(priv->regmap);
		goto disable_regs;
	}

	priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
	if (IS_ERR(priv->pdn_gpio)) {
		dev_err(dev, "error requesting pdn_gpio: %ld\n",
			PTR_ERR(priv->pdn_gpio));
		return PTR_ERR(priv->pdn_gpio);
	}

	priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
						   GPIOD_OUT_HIGH);
	if (IS_ERR(priv->reset_gpio)) {
		dev_err(dev, "error requesting reset_gpio: %ld\n",
			PTR_ERR(priv->reset_gpio));
		return PTR_ERR(priv->reset_gpio);
	} else if (priv->reset_gpio) {
		/* pulse the active low reset line for ~100us */
		usleep_range(100, 200);
		gpiod_set_value(priv->reset_gpio, 0);
		usleep_range(13500, 20000);
	}

	ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
	if (ret)
		goto disable_regs;

	usleep_range(50000, 60000);

	memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver));
	priv->component_driver.controls = priv->chip->controls;
	priv->component_driver.num_controls = priv->chip->num_controls;

	if (priv->chip->vol_reg_size == 2) {
		/*
		 * The master volume defaults to 0x3ff (mute), but we ignore
		 * (zero) the LSB because the hardware step size is 0.125 dB
		 * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB.
		 */
		ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
		if (ret)
			goto disable_regs;
	}

	ret = devm_snd_soc_register_component(&client->dev,
				      &priv->component_driver,
				      &tas571x_dai, 1);
	if (ret)
		goto disable_regs;

	return ret;

disable_regs:
	regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
	return ret;
}

static int tas571x_i2c_remove(struct i2c_client *client)
{
	struct tas571x_private *priv = i2c_get_clientdata(client);

	regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);

	return 0;
}

static const struct of_device_id tas571x_of_match[] = {
	{ .compatible = "ti,tas5707", .data = &tas5707_chip, },
	{ .compatible = "ti,tas5711", .data = &tas5711_chip, },
	{ .compatible = "ti,tas5717", .data = &tas5717_chip, },
	{ .compatible = "ti,tas5719", .data = &tas5717_chip, },
	{ .compatible = "ti,tas5721", .data = &tas5721_chip, },
	{ }
};
MODULE_DEVICE_TABLE(of, tas571x_of_match);

static const struct i2c_device_id tas571x_i2c_id[] = {
	{ "tas5707", (kernel_ulong_t) &tas5707_chip },
	{ "tas5711", (kernel_ulong_t) &tas5711_chip },
	{ "tas5717", (kernel_ulong_t) &tas5717_chip },
	{ "tas5719", (kernel_ulong_t) &tas5717_chip },
	{ "tas5721", (kernel_ulong_t) &tas5721_chip },
	{ }
};
MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);

static struct i2c_driver tas571x_i2c_driver = {
	.driver = {
		.name = "tas571x",
		.of_match_table = of_match_ptr(tas571x_of_match),
	},
	.probe = tas571x_i2c_probe,
	.remove = tas571x_i2c_remove,
	.id_table = tas571x_i2c_id,
};
module_i2c_driver(tas571x_i2c_driver);

MODULE_DESCRIPTION("ASoC TAS571x driver");
MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
MODULE_LICENSE("GPL");

/*
 * sound/soc/codecs/amlogic/tas5805m.c
 *
 * Copyright (C) 2019 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/tas57xx.h>							
//#include <sound/aml_gpio_consumer.h>	    //wenb
#include <linux/gpio.h>					    //wenb
#include <linux/of_gpio.h>	
#include <linux/input.h>//wenb
//#include <string>
//#include "tas5805.h"
//#include "tas5805_2e.h"

#include "tas5805new.h"
//#include "0710TAS5805M_Tuning_48K_1SPW.h"

#include "0724_C_S-6064_TAS5805M_Tuning_48K_1SPW_2E.h"
#include "0724_C_S-6064_TAS5805M_Tuning_48K_1SPW_2E_4W.h"
#include "0724_LeRe_S-6064_TAS5805M_Tuning_48K_1SPW_2F.h"
#include "0724_LR_S-6064_TAS5805M_Tuning_48K_1SPW_2C.h"
#include "0724_LsRs_S-6064_TAS5805M_Tuning_48K_1SPW_2D.h"

#define CONTROL_EACH_CHANNEL 0
#define CONFIG_PA_PM

#define DEV_NAME	"tas5805m"
#define DET_GPIO 33
#define DET_NAME         "det_gpio"

int det_irq = -1; 
static int soundbar_connect = 0;
static struct input_dev *tas_input_dev = NULL; 

#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
static void tas5805m_early_suspend(struct early_suspend *h);
static void tas5805m_late_resume(struct early_suspend *h);
#endif
static struct delayed_work det_connect_worker;


#define tas5805m_RATES (SNDRV_PCM_RATE_8000 | \
		       SNDRV_PCM_RATE_11025 | \
		       SNDRV_PCM_RATE_16000 | \
		       SNDRV_PCM_RATE_22050 | \
		       SNDRV_PCM_RATE_32000 | \
		       SNDRV_PCM_RATE_44100 | \
		       SNDRV_PCM_RATE_48000)

#define tas5805m_FORMATS \
	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | \
	 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE | \
	 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE | \
	 SNDRV_PCM_FMTBIT_S32_LE)

#define DEFAULT_VOLUME  (180) 

enum BITSIZE_MODE {
	BITSIZE_MODE_16BITS = 0,
	BITSIZE_MODE_20BITS = 1,
	BITSIZE_MODE_24BITS = 2,
	BITSIZE_MODE_32BITS = 3,
};

/* codec private data */
struct tas5805m_priv {
	struct i2c_client *i2c;
	struct regmap *regmap;
	struct snd_soc_codec *codec;
	struct tas57xx_platform_data *pdata;
	//struct work_struct work;
	struct workqueue_struct *workqueue;
	struct delayed_work dwork;

	/*Platform provided EQ configuration */
	int num_eq_conf_texts;
	const char **eq_conf_texts;
	int eq_cfg;
	struct soc_enum eq_conf_enum;

#if (CONTROL_EACH_CHANNEL == 1)
	unsigned char Ch1_vol;
	unsigned char Ch2_vol;
#endif
	unsigned char master_vol;
	unsigned char mute; //0:unmuted  1:muted

	unsigned int mclk;
	unsigned int EQ_enum_value;
	unsigned int DRC_enum_value;
#ifdef CONFIG_HAS_EARLYSUSPEND
	struct early_suspend early_suspend;
#endif
};


static int tas5805m_master_vol_info(struct snd_kcontrol *kcontrol,
                                    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type   = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
	                | SNDRV_CTL_ELEM_ACCESS_READWRITE;
	uinfo->count  = 1;

	uinfo->value.integer.min  = 0;
	uinfo->value.integer.max  = 0xff;
	uinfo->value.integer.step = 1;

	return 0;
}

#if (CONTROL_EACH_CHANNEL == 1)
static int tas5805m_ch1_vol_info(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_info *uinfo)
{
	uinfo->type   = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
	                | SNDRV_CTL_ELEM_ACCESS_READWRITE;
	uinfo->count  = 1;

	uinfo->value.integer.min  = 0;
	uinfo->value.integer.max  = 0xff;
	uinfo->value.integer.step = 1;

	return 0;
}

static int tas5805m_ch2_vol_info(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_info *uinfo)
{
	uinfo->type   = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
	                | SNDRV_CTL_ELEM_ACCESS_READWRITE;
	uinfo->count  = 1;

	uinfo->value.integer.min  = 0;
	uinfo->value.integer.max  = 0xff;
	uinfo->value.integer.step = 1;

	return 0;
}
#endif

static int tas5805m_mute_info(struct snd_kcontrol *kcontrol,
                              struct snd_ctl_elem_info *uinfo)
{
	uinfo->type   = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
	                | SNDRV_CTL_ELEM_ACCESS_READWRITE;
	uinfo->count  = 1;

	uinfo->value.integer.min  = 0;
	uinfo->value.integer.max  = 1;
	uinfo->value.integer.step = 1;

	return 0;
}

static int tas5805m_master_vol_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = tas5805m->master_vol;

	return 0;
}

#if (CONTROL_EACH_CHANNEL == 1)
static int tas5805m_ch1_vol_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = tas5805m->Ch1_vol;

	return 0;
}

static int tas5805m_ch2_vol_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = tas5805m->Ch2_vol;

	return 0;
}
#endif

static int tas5805m_mute_get(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = tas5805m->mute;

	return 0;
}


static void tas5805m_set_volume(struct snd_soc_codec *codec,
                                int value, int channel)
{
#if 1
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	unsigned char buf[8] = {0};
	int count = 0;
	unsigned char vol_set = 0;
	int ret = 0;

	if (value < 0)
		value = 0;
	if (value > 255)
		value = 255;

	vol_set = 255 - value;

	buf[0] = 0x00, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);
	buf[0] = 0x7F, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);
	buf[0] = 0x00, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);

	buf[0] = 0x4C, buf[1] = vol_set, count = 2;
	ret = i2c_master_send(tas5805m->i2c, buf, count);
	buf[0] = 0x4D, buf[1] = vol_set, count = 2;
	ret = i2c_master_send(tas5805m->i2c, buf, count);

	
	if(count != ret) {
		pr_err("%s %d i2c_master_send failed! ret:%d\n", __func__, __LINE__, ret);
	} else {
		pr_info("%s %d slave:0x%x vol_set:%d\n", __func__, __LINE__, tas5805m->i2c->addr, vol_set);
	}
#endif 
}

static void tas5805m_set_mute(struct snd_soc_codec *codec, int value)
{
#if 1
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	unsigned char buf[8] = {0};
	int count = 0;
	int ret = 0;

	buf[0] = 0x00, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);
	buf[0] = 0x7F, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);
	buf[0] = 0x00, buf[1] = 0x00, count = 2;
	i2c_master_send(tas5805m->i2c, buf, count);

	buf[0] = 0x03;
	buf[1] = (1 == value) ? 0x0B : 0x03;
	count = 2;
	ret = i2c_master_send(tas5805m->i2c, buf, count);
	
	if(count != ret) {
		pr_err("%s %d i2c_master_send failed! ret:%d\n", __func__, __LINE__, ret);
	} else {
		pr_info("%s %d slave:0x%x mute:%d\n", __func__, __LINE__, tas5805m->i2c->addr, value);
	}
#endif 
}


static int tas5805m_master_vol_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	int value;

	value = ucontrol->value.integer.value[0];
	tas5805m->master_vol = value;

	pr_info("%s %d master_vol: %d\n", __func__, __LINE__, tas5805m->master_vol);
	tas5805m_set_volume(codec, value, 0xFF);

	return 0;
}

#if (CONTROL_EACH_CHANNEL == 1)
static int tas5805m_ch1_vol_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	int value = ucontrol->value.integer.value[0];

	tas5805m->Ch1_vol = value;
	pr_info("%s %d Ch1_vol: %d\n", __func__, __LINE__, tas5805m->Ch1_vol);
	tas5805m_set_volume(codec, value, 0);

	return 0;
}

static int tas5805m_ch2_vol_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	int value = ucontrol->value.integer.value[0];

	tas5805m->Ch2_vol = value;
	pr_info("%s %d Ch2_vol: %d\n", __func__, __LINE__, tas5805m->Ch2_vol);
	tas5805m_set_volume(codec, value, 1);

	return 0;
}
#endif

static int tas5805m_mute_put(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	int value = ucontrol->value.integer.value[0];

	tas5805m->mute = value & 0x1;
	pr_info("%s %d mute: %d\n", __func__, __LINE__, tas5805m->mute);
	tas5805m_set_mute(codec, value);
	return 0;
}


static const struct snd_kcontrol_new tas5805m_snd_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name  = "Master Volume",
		.info  = tas5805m_master_vol_info,
		.get   = tas5805m_master_vol_get,
		.put   = tas5805m_master_vol_put,
	},

#if (CONTROL_EACH_CHANNEL == 1)
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name  = "Ch1 Volume",
		.info  = tas5805m_ch1_vol_info,
		.get   = tas5805m_ch1_vol_get,
		.put   = tas5805m_ch1_vol_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name  = "Ch2 Volume",
		.info  = tas5805m_ch2_vol_info,
		.get   = tas5805m_ch2_vol_get,
		.put   = tas5805m_ch2_vol_put,
	},
#endif
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name  = "Mute Control",
		.info  = tas5805m_mute_info,
		.get   = tas5805m_mute_get,
		.put   = tas5805m_mute_put,
	}
};

static int tas5805m_set_dai_sysclk(struct snd_soc_dai *codec_dai,
                                   int clk_id, unsigned int freq, int dir)
{
	return 0;
}

static int tas5805m_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
		case SND_SOC_DAIFMT_CBS_CFS:
			break;
		default:
			return 0;//-EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
		case SND_SOC_DAIFMT_I2S:
		case SND_SOC_DAIFMT_RIGHT_J:
		case SND_SOC_DAIFMT_LEFT_J:
			break;
		default:
			return 0;//-EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
		case SND_SOC_DAIFMT_NB_NF:
			break;
		case SND_SOC_DAIFMT_NB_IF:
			break;
		default:
			return 0;//-EINVAL;
	}

	return 0;
}

static int tas5805m_hw_params(struct snd_pcm_substream *substream,
                              struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
	unsigned int rate;

	rate = params_rate(params);

	pr_debug("rate: %u\n", rate);

	switch (params_format(params)) {
		case SNDRV_PCM_FORMAT_S24_LE:
		case SNDRV_PCM_FORMAT_S24_BE:
			pr_debug("24bit\n");
		/* fall through */
		case SNDRV_PCM_FORMAT_S32_LE:
		case SNDRV_PCM_FORMAT_S20_3LE:
		case SNDRV_PCM_FORMAT_S20_3BE:
			pr_debug("20bit\n");

			break;
		case SNDRV_PCM_FORMAT_S16_LE:
		case SNDRV_PCM_FORMAT_S16_BE:
			pr_debug("16bit\n");

			break;
		default:
			return -EINVAL;
	}

	return 0;
}

static int tas5805m_set_bias_level(struct snd_soc_codec *codec,
                                   enum snd_soc_bias_level level)
{
	pr_debug("level = %d\n", level);

	switch (level) {
		case SND_SOC_BIAS_ON:
			break;

		case SND_SOC_BIAS_PREPARE:
			/* Full power on */
			break;

		case SND_SOC_BIAS_STANDBY:
			break;

		case SND_SOC_BIAS_OFF:
			/* The chip runs through the power down sequence for us. */
			break;
	}
	codec->component.dapm.bias_level = level;

	return 0;
}

static const struct snd_soc_dai_ops tas5805m_dai_ops = {
	.hw_params = tas5805m_hw_params,
	.set_sysclk = tas5805m_set_dai_sysclk,
	.set_fmt = tas5805m_set_dai_fmt,
};

static struct snd_soc_dai_driver tas5805m_dai = {
	.name = DEV_NAME,
	.playback = {
		.stream_name = "HIFI Playback",
		.channels_min = 2,
		.channels_max = 8,
		.rates = tas5805m_RATES,
		.formats = tas5805m_FORMATS,
	},
	.ops = &tas5805m_dai_ops,
};


static int reset_tas5805m_GPIO(struct snd_soc_codec *codec)
{
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);
	struct tas57xx_platform_data *pdata = tas5805m->pdata;
	int ret = 0;

	if (pdata->reset_pin < 0)
		return 0;

	ret = devm_gpio_request_one(codec->dev, pdata->reset_pin,
	                            GPIOF_OUT_INIT_LOW, "tas5805m-reset-pin");

	if (ret < 0) {
		pr_err("failed!!! devm_gpio_request_one = %d!\n", ret);
		return -1;
	}
	
	gpio_direction_output(pdata->reset_pin, GPIOF_OUT_INIT_HIGH);
	udelay(1000);
	gpio_direction_output(pdata->reset_pin, GPIOF_OUT_INIT_LOW);
	udelay(1000);
	gpio_direction_output(pdata->reset_pin, GPIOF_OUT_INIT_HIGH);
	msleep(20);
	pr_err("%s %d gpio reset done!\n", __func__, __LINE__);
	return 0;
}

/*static int power_tas5805m_GPIO(struct snd_soc_codec *codec)
{
	int ret;
	
	ret = gpio_request(152, "5140_reset_gpio");    
	if (ret){        
		pr_err("%s %d gpio power done!\n", __func__, __LINE__);
	}     

	ret = gpio_direction_output(152,0);    
	if (ret){        
		pr_err("%s %d gpio power done!\n", __func__, __LINE__);
	}
	else{   
		gpio_set_value(152,0);      
		pr_err("%s %d gpio power done!\n", __func__, __LINE__);
	}

	
	pr_err("%s %d gpio power done!\n", __func__, __LINE__);
	return 0;
}*/


static void tas5805m_reg_init(struct tas5805m_priv *tas5805m)
{
	struct snd_soc_codec *codec;
	struct i2c_client *i2c;


#if 1
	int i = 0, total_w = 0;
	int power_val;
	int value_count;
	unsigned char buf[64] = {0};
	int write_count = 0;
//	struct reg_default  temp_init_sequence[] = {0};
#endif
	codec = tas5805m->codec;

	//reset_tas5805m_GPIO(codec);
	//power_tas5805m_GPIO(codec);

	//init register
	tas5805m = snd_soc_codec_get_drvdata(codec);
	i2c = tas5805m->i2c;

	pr_info("%s %d slave_addr:0x%x i2c_flag = 0x%x\n", __func__, __LINE__, i2c->addr, i2c->flags);

#if 1 
       power_val = gpio_get_value(DET_GPIO);

       if(power_val == 1){
		if(i2c->addr == 0x2c)
		{
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new2c);	
		}else if(i2c->addr == 0x2d){
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new2d);
		}else if(i2c->addr == 0x2e){
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new2e);
		}else if(i2c->addr == 0x2f){
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new2f);
		}else{
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new);		
		}
		
		for (i = 0; i < value_count; i++) {
			write_count = 2;
			if(i2c->addr == 0x2c)
			{
	               	buf[0] = tas5805m_init_sequence_new2c[i].reg;
	               	buf[1] = tas5805m_init_sequence_new2c[i].def;			
			 }else if(i2c->addr == 0x2d){
				buf[0] = tas5805m_init_sequence_new2d[i].reg;
				buf[1] = tas5805m_init_sequence_new2d[i].def;				
			}else if(i2c->addr == 0x2e){
				buf[0] = tas5805m_init_sequence_new2e[i].reg;
				buf[1] = tas5805m_init_sequence_new2e[i].def;				
			}else if(i2c->addr == 0x2f){
				buf[0] = tas5805m_init_sequence_new2f[i].reg;
				buf[1] = tas5805m_init_sequence_new2f[i].def;				
			}
			else{
				buf[0] = tas5805m_init_sequence_new[i].reg;
				buf[1] = tas5805m_init_sequence_new[i].def;			
			}

			if(buf[0] == CFG_META_DELAY){
				mdelay(20);
			}else{
					if (write_count != i2c_master_send(i2c, buf, write_count)) {
						pr_err("%s %d !!!!! i2c_master_send error !!!!!\n", __func__, __LINE__);
						mdelay(1);
						break;
					}
			}
			total_w++;
		}
		pr_info("%s %d  total_w == %d\n", __func__, __LINE__,  total_w);
#endif

	//	tas5805m_set_mute(codec, 0);
	//	tas5805m->mute = 0;
	//	tas5805m_set_volume(codec, 255, 0xFF);//DEFAULT_VOLUME
	//	tas5805m->master_vol = 255;  //DEFAULT_VOLUME
	   	pr_info("%s : %d power_val = %d=======DC supply power============>\n", __func__, __LINE__,power_val);

       }else{
       	if(i2c->addr == 0x2e)
			value_count = ARRAY_SIZE(tas5805m_init_sequence_new2e_4W);

		for (i = 0; i < value_count; i++) {
			write_count = 2;
			if(i2c->addr == 0x2e){
				buf[0] = tas5805m_init_sequence_new2e_4W[i].reg;
				buf[1] = tas5805m_init_sequence_new2e_4W[i].def;				
			}

			if(buf[0] == CFG_META_DELAY){
				mdelay(20);
			}else{
					if (write_count != i2c_master_send(i2c, buf, write_count)) {
						pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",__func__, __LINE__);
						mdelay(1);
						break;
					}
				}
			total_w++;
		}
		
		pr_info("%s %d  total_w == %d\n", __func__, __LINE__,  total_w);
		pr_info("%s : %d power_val = %d=======POE supply power============>\n", __func__, __LINE__,power_val);
		//tas5805m_set_volume(codec, 0xBA, 0xFF);
       }

#if (CONTROL_EACH_CHANNEL == 1)
	tas5805m_set_volume(codec, DEFAULT_VOLUME, 0);
	tas5805m->Ch1_vol = DEFAULT_VOLUME;
	tas5805m_set_volume(codec, DEFAULT_VOLUME, 1);
	tas5805m->Ch2_vol = DEFAULT_VOLUME;
#endif

}

static struct tas5805m_priv *TAS5805M;
static unsigned char init_flag = 0; 
static void tas5805_task(struct work_struct *work)
{
	if(init_flag == 0){//
		mdelay(500);
		//TAS5805M->i2c->addr = 0x2d ;
		//tas5805m_reg_init(TAS5805M);
		TAS5805M->i2c->addr = 0x2e ;
		tas5805m_reg_init(TAS5805M);
		//TAS5805M->i2c->addr = 0x2f ;
		//tas5805m_reg_init(TAS5805M);
		//TAS5805M->i2c->addr = 0x2c ;
		//tas5805m_reg_init(TAS5805M);
		//TAS5805M->i2c->addr = 0x2d ;
		//tas5805m_reg_init(TAS5805M);
		//init_flag = 1;

		/*mdelay(5);
		TAS5805M->i2c->addr = 0x2d ;
		tas5805m_reg_init(TAS5805M);
		TAS5805M->i2c->addr = 0x2e ;
		tas5805m_reg_init(TAS5805M);
		TAS5805M->i2c->addr = 0x2f ;
		tas5805m_reg_init(TAS5805M);
		TAS5805M->i2c->addr = 0x2c ;
		tas5805m_reg_init(TAS5805M);
		TAS5805M->i2c->addr = 0x2d ;
		tas5805m_reg_init(TAS5805M);*/
		init_flag = 1;
	}
}

static int tas5805m_probe(struct snd_soc_codec *codec)
{
	struct tas5805m_priv *tas5805m;

#ifdef CONFIG_HAS_EARLYSUSPEND
	tas5805m->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
	tas5805m->early_suspend.suspend = tas5805m_early_suspend;
	tas5805m->early_suspend.resume = tas5805m_late_resume;
	tas5805m->early_suspend.param = codec;
	register_early_suspend(&(tas5805m->early_suspend));
#endif

	tas5805m = snd_soc_codec_get_drvdata(codec);
	tas5805m->codec = codec;

	reset_tas5805m_GPIO(codec);
	//power_tas5805m_GPIO(codec);

	//tas5805m_reg_init(tas5805m);				//wenb add
	TAS5805M = tas5805m;

	//INIT_WORK(&tas5805m->work, tas5805m_reg_init);
	//schedule_work(&tas5805m->work);
	tas5805m->workqueue = create_singlethread_workqueue("tas5805_workqueue");
	INIT_DELAYED_WORK(&tas5805m->dwork,tas5805_task);
	

	return 0;
}

static int tas5805m_remove(struct snd_soc_codec *codec)
{
	struct tas5805m_priv *tas5805m;

#ifdef CONFIG_HAS_EARLYSUSPEND
	struct tas5805m_priv *tas5805m = snd_soc_codec_get_drvdata(codec);

	unregister_early_suspend(&(tas5805m->early_suspend));
#endif
	tas5805m = snd_soc_codec_get_drvdata(codec);

	//cancel_work_sync(&tas5805m->work);

	return 0;
}

#ifdef CONFIG_PM
static int tas5805m_suspend(struct snd_soc_codec *codec)
{
	struct tas57xx_platform_data *pdata = dev_get_platdata(codec->dev);

	dev_info(codec->dev, "tas5805m_suspend!\n");

	if (pdata && pdata->suspend_func)
		pdata->suspend_func();

	return 0;
}

static int tas5805m_resume(struct snd_soc_codec *codec)
{
	struct tas57xx_platform_data *pdata = dev_get_platdata(codec->dev);
	struct tas5805m_priv *tas5805m;

	dev_info(codec->dev, "tas5805m_resume!\n");

	if (pdata && pdata->resume_func)
		pdata->resume_func();

	tas5805m = snd_soc_codec_get_drvdata(codec);
	tas5805m->codec = codec;

	//tas5805m_reg_init(tas5805m);

	//INIT_WORK(&tas5805m->work, tas5805m_reg_init);
	//schedule_work(&tas5805m->work);


	return 0;
}
#endif

#ifdef CONFIG_HAS_EARLYSUSPEND
static void tas5805m_early_suspend(struct early_suspend *h)
{
}

static void tas5805m_late_resume(struct early_suspend *h)
{
}
#endif

static const struct snd_soc_dapm_widget tas5805m_dapm_widgets[] = {
	SND_SOC_DAPM_DAC("DAC", "HIFI Playback", SND_SOC_NOPM, 0, 0),
};

static const struct snd_soc_codec_driver soc_codec_dev_tas5805m = {
	.probe = tas5805m_probe,
	.remove = tas5805m_remove,
#ifdef CONFIG_PM
	.suspend = tas5805m_suspend,
	.resume = tas5805m_resume,
#endif
	.set_bias_level = tas5805m_set_bias_level,
	.component_driver = {
		.controls = tas5805m_snd_controls,
		.num_controls = ARRAY_SIZE(tas5805m_snd_controls),
		.dapm_widgets = tas5805m_dapm_widgets,
		.num_dapm_widgets = ARRAY_SIZE(tas5805m_dapm_widgets),
	}
};

/*
 *static const struct regmap_config tas5805m_regmap = {
 *	.reg_bits = 8,
 *	.val_bits = 8,
 *
 *	.max_register = tas5805m_REGISTER_COUNT,
 *	.reg_defaults = tas5805m_reg_defaults,
 *	.num_reg_defaults =
 *	sizeof(tas5805m_reg_defaults)/sizeof(tas5805m_reg_defaults[0]),
 *	.cache_type = REGCACHE_RBTREE,
 *};
 */

static int tas5805m_parse_dts(struct tas5805m_priv *tas5805m,
                              struct device_node *np)
{
	int reset_pin = -1;
	
	reset_pin = of_get_named_gpio(np, "reset_pin", 0);
	if (reset_pin < 0) {
		pr_err("%s fail to get reset pin from dts!\n", __func__);
	} else {
		pr_debug("%s pdata->reset_pin = %d!\n", __func__, reset_pin);
	}
	tas5805m->pdata->reset_pin = reset_pin;
	return 0;
}
#if 1
static ssize_t foo_show(struct kobject *kobj, struct kobj_attribute *attr,
        char *buf) /* buf是返回给用户空间的值 */
{
	
	//tas5805m_reg_init(TAS5805M);
	queue_delayed_work(TAS5805M->workqueue,&TAS5805M->dwork,3);
	return 0;	
}

static ssize_t foo_store(struct kobject *kobj, struct kobj_attribute *attr,
        const char *buf, size_t count)
{
	init_flag = 0;
    return 0;
}

static struct kobj_attribute foo_attribute = __ATTR(mpu6050_accelerationd, 0664, foo_show, foo_store);

static struct attribute *attrs[] = {
    &foo_attribute.attr,
    NULL,  /* 需要用NULL来表示属性列表的结束 */

};

static struct attribute_group attr_group = {
    .attrs = attrs,

};
#endif

//�жϴ������
static irqreturn_t dev_interrupt(int irq, void *p)
  {
		schedule_delayed_work(&det_connect_worker,msecs_to_jiffies(400));
	  	return IRQ_RETVAL(IRQ_HANDLED);
      
  }

static void det_worker(struct work_struct *work)
{
	int val1 = 0;
	int val2 = 0;
	int val3 = 0;
	int val4 = 1;
	int val5 = 1;
	int val6 = 1;
	
	if(!soundbar_connect){
		val1= gpio_get_value(DET_GPIO);
		udelay(150);
		val2= gpio_get_value(DET_GPIO);
		udelay(300);
		val3= gpio_get_value(DET_GPIO);
	
		if(val1 == val2 && val2 == val3 && val3 == 1){
			//input_report_key(tas_input_dev, KEY_F3, 1);
			//input_report_key(tas_input_dev, KEY_F3, 0);
			//input_sync(tas_input_dev);
			//struct snd_soc_codec *codec = TAS5805M->codec;
			//TAS5805M->i2c->addr = 0x2e ;
			//tas5805m_reg_init(TAS5805M);
			//����soundbar����
			soundbar_connect = 1;
			pr_info("%s : %d =======tas5805_interrupt in KEY_F3============>\n", __func__, __LINE__);
		}else{
				pr_info("%s : %d =======tas5805_interrupt ignore event!============>\n", __func__, __LINE__);
			  }
	}else if(soundbar_connect){
		val4= gpio_get_value(DET_GPIO);
		udelay(100);
		val5= gpio_get_value(DET_GPIO);
		udelay(300);
		val6= gpio_get_value(DET_GPIO);

		if((val4 == val5 && val5 == val6 && val6 == 0)){
			//input_report_key(tas_input_dev, KEY_F4, 1);
			//input_report_key(tas_input_dev, KEY_F4, 0);
			//input_sync(tas_input_dev);
			//struct snd_soc_codec *codec = TAS5805M->codec;
			TAS5805M->i2c->addr = 0x2e ;
			tas5805m_reg_init(TAS5805M);
			//����soundbar����
			soundbar_connect = 0;
			pr_info("%s : %d =======tas5805_interrupt in KEY_F4============>\n", __func__, __LINE__);
		}else{
				pr_info("%s : %d =======tas5805_interrupt ignore event!============>\n", __func__, __LINE__);
			  }
	}

}

static int tas5805m_i2c_probe(struct i2c_client *i2c,
                              const struct i2c_device_id *id)
{
	struct tas5805m_priv *tas5805m;
	struct tas57xx_platform_data *pdata;
	int ret,err = -1,irq = -1;
	const char *codec_name = NULL;
    //struct kobject *example_kobj;
	int retval;
	unsigned long irqflags;
	
	tas5805m = devm_kzalloc(&i2c->dev,
	                        sizeof(struct tas5805m_priv), GFP_KERNEL);
	if (!tas5805m)
		return -ENOMEM;
#if 1
    //example_kobj = kobject_create_and_add("mpu6050_i2c", kernel_kobj); 
//    if (!example_kobj)
//        return -ENOMEM;

    /* Create the files associated with this kobject */
    retval = sysfs_create_group(&i2c->dev.kobj, &attr_group);
    //if (retval)
       // kobject_put(example_kobj);

#endif
	pr_info("%s %d i2c:%p i2c->addr=0x%x\n", __func__, __LINE__, i2c, i2c->addr);
	/*
	 * tas5805m->regmap = devm_regmap_init_i2c(i2c, &tas5805m_regmap);
	 * if (IS_ERR(tas5805m->regmap)) {
	 *		ret = PTR_ERR(tas5805m->regmap);
	 *		dev_err(&i2c->dev,
	 *		"Failed to allocate register map: %d\n", ret);
	 *		return ret;
	 * }
	 */
	pdata = devm_kzalloc(&i2c->dev,
	                     sizeof(struct tas57xx_platform_data), GFP_KERNEL);
	if (!pdata)
		return -ENOMEM;

	tas5805m->pdata = pdata;

	tas5805m_parse_dts(tas5805m, i2c->dev.of_node);

	if (of_property_read_string(i2c->dev.of_node, "codec_name", &codec_name)) {
		pr_info("no codec name\n");
		ret = -1;
	}
	pr_info("codec_name=%s\n", codec_name);
	if (codec_name) {
		dev_set_name(&i2c->dev, "%s", codec_name);
	}
	tas5805m->i2c = i2c;
	i2c_set_clientdata(i2c, tas5805m);

	ret = snd_soc_register_codec(&i2c->dev,
	                             &soc_codec_dev_tas5805m, &tas5805m_dai, 1);
	if (ret != 0)
		dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);

	tas_input_dev = input_allocate_device();
    if (tas_input_dev == NULL) {
        printk(KERN_ERR "notenough memory\n");
        err= - ENOMEM;
    }
    tas_input_dev->name = "tas_gpio";
    set_bit(EV_KEY, tas_input_dev->evbit);
    set_bit(KEY_F3, tas_input_dev->keybit);
	set_bit(KEY_F4, tas_input_dev->keybit);
    err = input_register_device(tas_input_dev);
    if(err) {
        printk(KERN_ERR "failedto register device\n");
    }

	err = gpio_request(DET_GPIO, "det_gpio");
	if(err < 0){
    	printk("request gpio failed...\n");
    }
	err = gpio_direction_input(DET_GPIO);
	if (err < 0) {
		printk("gpio_direction_input gpio failed...\n");
    }

    det_irq = (irq = gpio_to_irq(DET_GPIO));
    if (irq < 0) {
        err = irq;
        printk("Unable to get irq number for GPIO\n");
    }

    irqflags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
		
    if (request_irq(irq, dev_interrupt, irqflags, DET_NAME, NULL)) {
        printk("cannotallocate irq\n");
    }

	INIT_DELAYED_WORK(&det_connect_worker,det_worker);
	gpio_export(DET_GPIO,1);
	return ret;
}

static int tas5805m_i2c_remove(struct i2c_client *client)
{
	//kobject_put(example_kobj);
	snd_soc_unregister_codec(&client->dev);

	return 0;
}

static const struct i2c_device_id tas5805m_i2c_id[] = {
	{ DEV_NAME, 0 },
	{}
};

static const struct of_device_id tas5805m_of_id[] = {
	{.compatible = "ti,tas5805m",},
	{ /* senitel */ }
};
MODULE_DEVICE_TABLE(of, tas5805m_of_id);

static struct i2c_driver tas5805m_i2c_driver = {
	.driver = {
		.name = DEV_NAME,
		.of_match_table = tas5805m_of_id,
		.owner = THIS_MODULE,
	},
	.probe = tas5805m_i2c_probe,
	.remove = tas5805m_i2c_remove,
	.id_table = tas5805m_i2c_id,
};

module_i2c_driver(tas5805m_i2c_driver);


MODULE_DESCRIPTION("ASoC tas5805m driver");
MODULE_AUTHOR("AML MM team");
MODULE_LICENSE("GPL");