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ASoC: wm8711: Convert to direct regmap API usage 

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-09-12 12:15:20 +08:00
parent 18273b05de
commit 5aa5fa9fdb
1 changed files with 38 additions and 12 deletions
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50
sound/soc/codecs/wm8711.c
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@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
@ -32,7 +33,7 @@
/* codec private data */
struct wm8711_priv {
enum snd_soc_control_type bus_type;
struct regmap *regmap;
unsigned int sysclk;
};
@ -42,11 +43,21 @@ struct wm8711_priv {
* using 2 wire for device control, so we cache them instead.
* There is no point in caching the reset register
*/
static const u16 wm8711_reg[WM8711_CACHEREGNUM] = {
0x0079, 0x0079, 0x000a, 0x0008,
0x009f, 0x000a, 0x0000, 0x0000
static const struct reg_default wm8711_reg_defaults[] = {
{ 0, 0x0079 }, { 1, 0x0079 }, { 2, 0x000a }, { 3, 0x0008 },
{ 4, 0x009f }, { 5, 0x000a }, { 6, 0x0000 }, { 7, 0x0000 },
};
static bool wm8711_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8711_RESET:
return true;
default:
return false;
}
}
#define wm8711_reset(c) snd_soc_write(c, WM8711_RESET, 0)
static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
@ -289,6 +300,7 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai,
static int wm8711_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec);
u16 reg = snd_soc_read(codec, WM8711_PWR) & 0xff7f;
switch (level) {
@ -299,7 +311,7 @@ static int wm8711_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(wm8711->regmap);
snd_soc_write(codec, WM8711_PWR, reg | 0x0040);
break;
@ -353,10 +365,9 @@ static int wm8711_resume(struct snd_soc_codec *codec)
static int wm8711_probe(struct snd_soc_codec *codec)
{
struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec);
int ret;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8711->bus_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;
@ -391,9 +402,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8711 = {
.suspend = wm8711_suspend,
.resume = wm8711_resume,
.set_bias_level = wm8711_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8711_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8711_reg,
.controls = wm8711_snd_controls,
.num_controls = ARRAY_SIZE(wm8711_snd_controls),
.dapm_widgets = wm8711_dapm_widgets,
@ -408,6 +416,18 @@ static const struct of_device_id wm8711_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8711_of_match);
static const struct regmap_config wm8711_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8711_RESET,
.reg_defaults = wm8711_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8711_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.volatile_reg = wm8711_volatile,
};
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8711_spi_probe(struct spi_device *spi)
{
@ -419,8 +439,11 @@ static int __devinit wm8711_spi_probe(struct spi_device *spi)
if (wm8711 == NULL)
return -ENOMEM;
wm8711->regmap = devm_regmap_init_spi(spi, &wm8711_regmap);
if (IS_ERR(wm8711->regmap))
return PTR_ERR(wm8711->regmap);
spi_set_drvdata(spi, wm8711);
wm8711->bus_type = SND_SOC_SPI;
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8711, &wm8711_dai, 1);
@ -458,8 +481,11 @@ static __devinit int wm8711_i2c_probe(struct i2c_client *client,
if (wm8711 == NULL)
return -ENOMEM;
wm8711->regmap = devm_regmap_init_i2c(client, &wm8711_regmap);
if (IS_ERR(wm8711->regmap))
return PTR_ERR(wm8711->regmap);
i2c_set_clientdata(client, wm8711);
wm8711->bus_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&client->dev,
&soc_codec_dev_wm8711, &wm8711_dai, 1);