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ASoC: wm8510: 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 11:43:44 +08:00
parent 046d4f02e8
commit e643049d30
1 changed files with 92 additions and 25 deletions
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117
sound/soc/codecs/wm8510.c
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@ -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);