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ASoC: wm8776: Convert to direct regmap API usage

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-09-12 20:15:22 +08:00
parent 22bab8ceda
commit 2cbde7abfd
1 changed files with 60 additions and 15 deletions
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75
sound/soc/codecs/wm8776.c
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@ -19,6 +19,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <sound/core.h>
@ -37,18 +38,46 @@ enum wm8776_chip_type {
/* codec private data */
struct wm8776_priv {
enum snd_soc_control_type control_type;
struct regmap *regmap;
int sysclk[2];
};
static const u16 wm8776_reg[WM8776_CACHEREGNUM] = {
0x79, 0x79, 0x79, 0xff, 0xff, /* 4 */
0xff, 0x00, 0x90, 0x00, 0x00, /* 9 */
0x22, 0x22, 0x22, 0x08, 0xcf, /* 14 */
0xcf, 0x7b, 0x00, 0x32, 0x00, /* 19 */
0xa6, 0x01, 0x01
static const struct reg_default wm8776_reg_defaults[] = {
{ 0, 0x79 },
{ 1, 0x79 },
{ 2, 0x79 },
{ 3, 0xff },
{ 4, 0xff },
{ 5, 0xff },
{ 6, 0x00 },
{ 7, 0x90 },
{ 8, 0x00 },
{ 9, 0x00 },
{ 10, 0x22 },
{ 11, 0x22 },
{ 12, 0x22 },
{ 13, 0x08 },
{ 14, 0xcf },
{ 15, 0xcf },
{ 16, 0x7b },
{ 17, 0x00 },
{ 18, 0x32 },
{ 19, 0x00 },
{ 20, 0xa6 },
{ 21, 0x01 },
{ 22, 0x01 },
};
static bool wm8776_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8776_RESET:
return true;
default:
return false;
}
}
static int wm8776_reset(struct snd_soc_codec *codec)
{
return snd_soc_write(codec, WM8776_RESET, 0);
@ -306,6 +335,8 @@ static int wm8776_set_sysclk(struct snd_soc_dai *dai,
static int wm8776_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
break;
@ -313,7 +344,7 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
regcache_sync(wm8776->regmap);
/* Disable the global powerdown; DAPM does the rest */
snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
@ -396,10 +427,9 @@ static int wm8776_resume(struct snd_soc_codec *codec)
static int wm8776_probe(struct snd_soc_codec *codec)
{
struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8776->control_type);
ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@ -434,9 +464,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8776 = {
.suspend = wm8776_suspend,
.resume = wm8776_resume,
.set_bias_level = wm8776_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8776_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8776_reg,
.controls = wm8776_snd_controls,
.num_controls = ARRAY_SIZE(wm8776_snd_controls),
@ -452,6 +479,18 @@ static const struct of_device_id wm8776_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8776_of_match);
static const struct regmap_config wm8776_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8776_RESET,
.reg_defaults = wm8776_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8776_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.volatile_reg = wm8776_volatile,
};
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8776_spi_probe(struct spi_device *spi)
{
@ -463,7 +502,10 @@ static int __devinit wm8776_spi_probe(struct spi_device *spi)
if (wm8776 == NULL)
return -ENOMEM;
wm8776->control_type = SND_SOC_SPI;
wm8776->regmap = devm_regmap_init_spi(spi, &wm8776_regmap);
if (IS_ERR(wm8776->regmap))
return PTR_ERR(wm8776->regmap);
spi_set_drvdata(spi, wm8776);
ret = snd_soc_register_codec(&spi->dev,
@ -501,8 +543,11 @@ static __devinit int wm8776_i2c_probe(struct i2c_client *i2c,
if (wm8776 == NULL)
return -ENOMEM;
wm8776->regmap = devm_regmap_init_i2c(i2c, &wm8776_regmap);
if (IS_ERR(wm8776->regmap))
return PTR_ERR(wm8776->regmap);
i2c_set_clientdata(i2c, wm8776);
wm8776->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));