Commit e643049d authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8510: Convert to direct regmap API usage

parent 046d4f02
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+92 −25
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -33,24 +34,75 @@
 * We can't read the WM8510 register space when we are
 * using 2 wire for device control, so we cache them instead.
 */
static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
	0x0000, 0x0000, 0x0000, 0x0000,
	0x0050, 0x0000, 0x0140, 0x0000,
	0x0000, 0x0000, 0x0000, 0x00ff,
	0x0000, 0x0000, 0x0100, 0x00ff,
	0x0000, 0x0000, 0x012c, 0x002c,
	0x002c, 0x002c, 0x002c, 0x0000,
	0x0032, 0x0000, 0x0000, 0x0000,
	0x0000, 0x0000, 0x0000, 0x0000,
	0x0038, 0x000b, 0x0032, 0x0000,
	0x0008, 0x000c, 0x0093, 0x00e9,
	0x0000, 0x0000, 0x0000, 0x0000,
	0x0003, 0x0010, 0x0000, 0x0000,
	0x0000, 0x0002, 0x0001, 0x0000,
	0x0000, 0x0000, 0x0039, 0x0000,
	0x0001,
static const struct reg_default wm8510_reg_defaults[] = {
	{  1, 0x0000 },
	{  2, 0x0000 },
	{  3, 0x0000 },
	{  4, 0x0050 },
	{  5, 0x0000 },
	{  6, 0x0140 },
	{  7, 0x0000 },
	{  8, 0x0000 },
	{  9, 0x0000 },
	{ 10, 0x0000 },
	{ 11, 0x00ff },
	{ 12, 0x0000 },
	{ 13, 0x0000 },
	{ 14, 0x0100 },
	{ 15, 0x00ff },
	{ 16, 0x0000 },
	{ 17, 0x0000 },
	{ 18, 0x012c },
	{ 19, 0x002c },
	{ 20, 0x002c },
	{ 21, 0x002c },
	{ 22, 0x002c },
	{ 23, 0x0000 },
	{ 24, 0x0032 },
	{ 25, 0x0000 },
	{ 26, 0x0000 },
	{ 27, 0x0000 },
	{ 28, 0x0000 },
	{ 29, 0x0000 },
	{ 30, 0x0000 },
	{ 31, 0x0000 },
	{ 32, 0x0038 },
	{ 33, 0x000b },
	{ 34, 0x0032 },
	{ 35, 0x0000 },
	{ 36, 0x0008 },
	{ 37, 0x000c },
	{ 38, 0x0093 },
	{ 39, 0x00e9 },
	{ 40, 0x0000 },
	{ 41, 0x0000 },
	{ 42, 0x0000 },
	{ 43, 0x0000 },
	{ 44, 0x0003 },
	{ 45, 0x0010 },
	{ 46, 0x0000 },
	{ 47, 0x0000 },
	{ 48, 0x0000 },
	{ 49, 0x0002 },
	{ 50, 0x0001 },
	{ 51, 0x0000 },
	{ 52, 0x0000 },
	{ 53, 0x0000 },
	{ 54, 0x0039 },
	{ 55, 0x0000 },
	{ 56, 0x0001 },
};

static bool wm8510_volatile(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case WM8510_RESET:
		return true;
	default:
		return false;
	}
}

#define WM8510_POWER1_BIASEN  0x08
#define WM8510_POWER1_BUFIOEN 0x10

@@ -58,7 +110,7 @@ static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {

/* codec private data */
struct wm8510_priv {
	enum snd_soc_control_type control_type;
	struct regmap *regmap;
};

static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
@@ -454,6 +506,7 @@ static int wm8510_mute(struct snd_soc_dai *dai, int mute)
static int wm8510_set_bias_level(struct snd_soc_codec *codec,
	enum snd_soc_bias_level level)
{
	struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
	u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3;

	switch (level) {
@@ -467,7 +520,7 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec,
		power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;

		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
			snd_soc_cache_sync(codec);
			regcache_sync(wm8510->regmap);

			/* Initial cap charge at VMID 5k */
			snd_soc_write(codec, WM8510_POWER1, power1 | 0x3);
@@ -536,10 +589,9 @@ static int wm8510_resume(struct snd_soc_codec *codec)

static int wm8510_probe(struct snd_soc_codec *codec)
{
	struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
	int ret;

	ret = snd_soc_codec_set_cache_io(codec, 7, 9,  wm8510->control_type);
	ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
	if (ret < 0) {
		printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret);
		return ret;
@@ -569,9 +621,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8510 = {
	.suspend =	wm8510_suspend,
	.resume =	wm8510_resume,
	.set_bias_level = wm8510_set_bias_level,
	.reg_cache_size = ARRAY_SIZE(wm8510_reg),
	.reg_word_size = sizeof(u16),
	.reg_cache_default =wm8510_reg,

	.controls = wm8510_snd_controls,
	.num_controls = ARRAY_SIZE(wm8510_snd_controls),
@@ -586,6 +635,18 @@ static const struct of_device_id wm8510_of_match[] = {
	{ },
};

static const struct regmap_config wm8510_regmap = {
	.reg_bits = 7,
	.val_bits = 9,
	.max_register = WM8510_MONOMIX,

	.reg_defaults = wm8510_reg_defaults,
	.num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
	.cache_type = REGCACHE_RBTREE,

	.volatile_reg = wm8510_volatile,
};

#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8510_spi_probe(struct spi_device *spi)
{
@@ -597,7 +658,10 @@ static int __devinit wm8510_spi_probe(struct spi_device *spi)
	if (wm8510 == NULL)
		return -ENOMEM;

	wm8510->control_type = SND_SOC_SPI;
	wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
	if (IS_ERR(wm8510->regmap))
		return PTR_ERR(wm8510->regmap);

	spi_set_drvdata(spi, wm8510);

	ret = snd_soc_register_codec(&spi->dev,
@@ -635,8 +699,11 @@ static __devinit int wm8510_i2c_probe(struct i2c_client *i2c,
	if (wm8510 == NULL)
		return -ENOMEM;

	wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
	if (IS_ERR(wm8510->regmap))
		return PTR_ERR(wm8510->regmap);

	i2c_set_clientdata(i2c, wm8510);
	wm8510->control_type = SND_SOC_I2C;

	ret =  snd_soc_register_codec(&i2c->dev,
			&soc_codec_dev_wm8510, &wm8510_dai, 1);