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ASoC: wm8960: 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 2012-09-10 19:23:57 +08:00
parent a044b75779
commit 0ebe36c6c4
1 changed files with 84 additions and 23 deletions
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107
sound/soc/codecs/wm8960.c
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@ -52,25 +52,72 @@
* We can't read the WM8960 register space when we are
* using 2 wire for device control, so we cache them instead.
*/
static const u16 wm8960_reg[WM8960_CACHEREGNUM] = {
0x0097, 0x0097, 0x0000, 0x0000,
0x0000, 0x0008, 0x0000, 0x000a,
0x01c0, 0x0000, 0x00ff, 0x00ff,
0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x007b, 0x0100, 0x0032,
0x0000, 0x00c3, 0x00c3, 0x01c0,
0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000,
0x0100, 0x0100, 0x0050, 0x0050,
0x0050, 0x0050, 0x0000, 0x0000,
0x0000, 0x0000, 0x0040, 0x0000,
0x0000, 0x0050, 0x0050, 0x0000,
0x0002, 0x0037, 0x004d, 0x0080,
0x0008, 0x0031, 0x0026, 0x00e9,
static const struct reg_default wm8960_reg_defaults[] = {
{ 0x0, 0x0097 },
{ 0x1, 0x0097 },
{ 0x2, 0x0000 },
{ 0x3, 0x0000 },
{ 0x4, 0x0000 },
{ 0x5, 0x0008 },
{ 0x6, 0x0000 },
{ 0x7, 0x000a },
{ 0x8, 0x01c0 },
{ 0x9, 0x0000 },
{ 0xa, 0x00ff },
{ 0xb, 0x00ff },
{ 0x10, 0x0000 },
{ 0x11, 0x007b },
{ 0x12, 0x0100 },
{ 0x13, 0x0032 },
{ 0x14, 0x0000 },
{ 0x15, 0x00c3 },
{ 0x16, 0x00c3 },
{ 0x17, 0x01c0 },
{ 0x18, 0x0000 },
{ 0x19, 0x0000 },
{ 0x1a, 0x0000 },
{ 0x1b, 0x0000 },
{ 0x1c, 0x0000 },
{ 0x1d, 0x0000 },
{ 0x20, 0x0100 },
{ 0x21, 0x0100 },
{ 0x22, 0x0050 },
{ 0x25, 0x0050 },
{ 0x26, 0x0000 },
{ 0x27, 0x0000 },
{ 0x28, 0x0000 },
{ 0x29, 0x0000 },
{ 0x2a, 0x0040 },
{ 0x2b, 0x0000 },
{ 0x2c, 0x0000 },
{ 0x2d, 0x0050 },
{ 0x2e, 0x0050 },
{ 0x2f, 0x0000 },
{ 0x30, 0x0002 },
{ 0x31, 0x0037 },
{ 0x33, 0x0080 },
{ 0x34, 0x0008 },
{ 0x35, 0x0031 },
{ 0x36, 0x0026 },
{ 0x37, 0x00e9 },
};
static bool wm8960_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8960_RESET:
return true;
default:
return false;
}
}
struct wm8960_priv {
enum snd_soc_control_type control_type;
struct regmap *regmap;
int (*set_bias_level)(struct snd_soc_codec *,
enum snd_soc_bias_level level);
struct snd_soc_dapm_widget *lout1;
@ -555,6 +602,8 @@ static int wm8960_mute(struct snd_soc_dai *dai, int mute)
static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_ON:
break;
@ -566,7 +615,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
regcache_sync(wm8960->regmap);
/* Enable anti-pop features */
snd_soc_write(codec, WM8960_APOP1,
@ -667,7 +716,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
snd_soc_cache_sync(codec);
regcache_sync(wm8960->regmap);
break;
default:
break;
@ -915,7 +964,7 @@ static int wm8960_probe(struct snd_soc_codec *codec)
wm8960->set_bias_level = wm8960_set_bias_level_capless;
}
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8960->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;
@ -963,9 +1012,18 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
.suspend = wm8960_suspend,
.resume = wm8960_resume,
.set_bias_level = wm8960_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8960_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8960_reg,
};
static const struct regmap_config wm8960_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8960_PLL4,
.reg_defaults = wm8960_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.volatile_reg = wm8960_volatile,
};
static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
@ -979,8 +1037,11 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
if (wm8960 == NULL)
return -ENOMEM;
wm8960->regmap = regmap_init_i2c(i2c, &wm8960_regmap);
if (IS_ERR(wm8960->regmap))
return PTR_ERR(wm8960->regmap);
i2c_set_clientdata(i2c, wm8960);
wm8960->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8960, &wm8960_dai, 1);