Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b9288f49 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8523: Convert to direct regmap API usage

parent 719b0c59
Loading
Loading
Loading
Loading
+38 −31
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/of_device.h>
@@ -39,33 +40,31 @@ static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = {

/* codec private data */
struct wm8523_priv {
	enum snd_soc_control_type control_type;
	struct regmap *regmap;
	struct regulator_bulk_data supplies[WM8523_NUM_SUPPLIES];
	unsigned int sysclk;
	unsigned int rate_constraint_list[WM8523_NUM_RATES];
	struct snd_pcm_hw_constraint_list rate_constraint;
};

static const u16 wm8523_reg[WM8523_REGISTER_COUNT] = {
	0x8523,     /* R0 - DEVICE_ID */
	0x0001,     /* R1 - REVISION */
	0x0000,     /* R2 - PSCTRL1 */
	0x1812,     /* R3 - AIF_CTRL1 */
	0x0000,     /* R4 - AIF_CTRL2 */
	0x0001,     /* R5 - DAC_CTRL3 */
	0x0190,     /* R6 - DAC_GAINL */
	0x0190,     /* R7 - DAC_GAINR */
	0x0000,     /* R8 - ZERO_DETECT */
static const struct reg_default wm8523_reg_defaults[] = {
	{ 2, 0x0000 },     /* R2 - PSCTRL1 */
	{ 3, 0x1812 },     /* R3 - AIF_CTRL1 */
	{ 4, 0x0000 },     /* R4 - AIF_CTRL2 */
	{ 5, 0x0001 },     /* R5 - DAC_CTRL3 */
	{ 6, 0x0190 },     /* R6 - DAC_GAINL */
	{ 7, 0x0190 },     /* R7 - DAC_GAINR */
	{ 8, 0x0000 },     /* R8 - ZERO_DETECT */
};

static int wm8523_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
static bool wm8523_volatile_register(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case WM8523_DEVICE_ID:
	case WM8523_REVISION:
		return 1;
		return true;
	default:
		return 0;
		return false;
	}
}

@@ -301,8 +300,7 @@ static int wm8523_set_bias_level(struct snd_soc_codec *codec,
				 enum snd_soc_bias_level level)
{
	struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
	u16 *reg_cache = codec->reg_cache;
	int ret, i;
	int ret;

	switch (level) {
	case SND_SOC_BIAS_ON:
@@ -325,16 +323,13 @@ static int wm8523_set_bias_level(struct snd_soc_codec *codec,
				return ret;
			}

			/* Sync back default/cached values */
			regcache_sync(wm8523->regmap);

			/* Initial power up */
			snd_soc_update_bits(codec, WM8523_PSCTRL1,
					    WM8523_SYS_ENA_MASK, 1);

			/* Sync back default/cached values */
			for (i = WM8523_AIF_CTRL1;
			     i < WM8523_MAX_REGISTER; i++)
				snd_soc_write(codec, i, reg_cache[i]);


			msleep(100);
		}

@@ -408,7 +403,7 @@ static int wm8523_probe(struct snd_soc_codec *codec)
	wm8523->rate_constraint.count =
		ARRAY_SIZE(wm8523->rate_constraint_list);

	ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8523->control_type);
	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
		return ret;
@@ -426,7 +421,7 @@ static int wm8523_probe(struct snd_soc_codec *codec)
		dev_err(codec->dev, "Failed to read ID register\n");
		goto err_enable;
	}
	if (ret != wm8523_reg[WM8523_DEVICE_ID]) {
	if (ret != 0x8523) {
		dev_err(codec->dev, "Device is not a WM8523, ID is %x\n", ret);
		ret = -EINVAL;
		goto err_enable;
@@ -467,8 +462,6 @@ static int wm8523_probe(struct snd_soc_codec *codec)

static int wm8523_remove(struct snd_soc_codec *codec)
{
	struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);

	wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
	return 0;
}
@@ -479,10 +472,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8523 = {
	.suspend =	wm8523_suspend,
	.resume =	wm8523_resume,
	.set_bias_level = wm8523_set_bias_level,
	.reg_cache_size = WM8523_REGISTER_COUNT,
	.reg_word_size = sizeof(u16),
	.reg_cache_default = wm8523_reg,
	.volatile_register = wm8523_volatile_register,

	.controls = wm8523_controls,
	.num_controls = ARRAY_SIZE(wm8523_controls),
@@ -497,6 +486,18 @@ static const struct of_device_id wm8523_of_match[] = {
	{ },
};

static const struct regmap_config wm8523_regmap = {
	.reg_bits = 8,
	.val_bits = 16,
	.max_register = WM8523_ZERO_DETECT,

	.reg_defaults = wm8523_reg_defaults,
	.num_reg_defaults = ARRAY_SIZE(wm8523_reg_defaults),
	.cache_type = REGCACHE_RBTREE,

	.volatile_reg = wm8523_volatile_register,
};

#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
				      const struct i2c_device_id *id)
@@ -509,6 +510,13 @@ static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
	if (wm8523 == NULL)
		return -ENOMEM;

	wm8523->regmap = devm_regmap_init_i2c(i2c, &wm8523_regmap);
	if (IS_ERR(wm8523->regmap)) {
		ret = PTR_ERR(wm8523->regmap);
		dev_err(&i2c->dev, "Failed to create regmap: %d\n", ret);
		return ret;
	}

	for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++)
		wm8523->supplies[i].supply = wm8523_supply_names[i];

@@ -520,7 +528,6 @@ static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
	}

	i2c_set_clientdata(i2c, wm8523);
	wm8523->control_type = SND_SOC_I2C;

	ret =  snd_soc_register_codec(&i2c->dev,
			&soc_codec_dev_wm8523, &wm8523_dai, 1);