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ASoC: Convert WM8776 to use factored out register cache code

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-08-08 10:37:33 +01:00
parent 7ae5945f0c
commit 35b1207b34
1 changed files with 11 additions and 48 deletions
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59
sound/soc/codecs/wm8776.c
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@ -52,51 +52,9 @@ static const u16 wm8776_reg[WM8776_CACHEREGNUM] = {
0xa6, 0x01, 0x01
};
/*
* read wm8776 register cache
*/
static inline unsigned int wm8776_read_reg_cache(struct snd_soc_codec *codec,
unsigned int reg)
{
u16 *cache = codec->reg_cache;
if (reg >= WM8776_CACHEREGNUM)
return -1;
return cache[reg];
}
/*
* write wm8776 register cache
*/
static inline void wm8776_write_reg_cache(struct snd_soc_codec *codec,
u16 reg, unsigned int value)
{
u16 *cache = codec->reg_cache;
if (reg >= WM8776_CACHEREGNUM)
return;
cache[reg] = value;
}
/*
* write to the WM8776 register space
*/
static int wm8776_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
u8 data[2];
data[0] = (reg << 1) | ((value >> 8) & 0x0001);
data[1] = value & 0x00ff;
wm8776_write_reg_cache(codec, reg, value);
if (codec->hw_write(codec->control_data, data, 2) == 2)
return 0;
else
return -EIO;
}
static int wm8776_reset(struct snd_soc_codec *codec)
{
return wm8776_write(codec, WM8776_RESET, 0);
return snd_soc_write(codec, WM8776_RESET, 0);
}
static const DECLARE_TLV_DB_SCALE(hp_tlv, -12100, 100, 1);
@ -523,7 +481,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8776 = {
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8776);
static int wm8776_register(struct wm8776_priv *wm8776)
static int wm8776_register(struct wm8776_priv *wm8776,
enum snd_soc_control_type control)
{
int ret, i;
struct snd_soc_codec *codec = &wm8776->codec;
@ -541,8 +500,6 @@ static int wm8776_register(struct wm8776_priv *wm8776)
codec->private_data = wm8776;
codec->name = "WM8776";
codec->owner = THIS_MODULE;
codec->read = wm8776_read_reg_cache;
codec->write = wm8776_write;
codec->bias_level = SND_SOC_BIAS_OFF;
codec->set_bias_level = wm8776_set_bias_level;
codec->dai = wm8776_dai;
@ -552,6 +509,12 @@ static int wm8776_register(struct wm8776_priv *wm8776)
memcpy(codec->reg_cache, wm8776_reg, sizeof(wm8776_reg));
ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
goto err;
}
for (i = 0; i < ARRAY_SIZE(wm8776_dai); i++)
wm8776_dai[i].dev = codec->dev;
@ -641,7 +604,7 @@ static int __devinit wm8776_spi_probe(struct spi_device *spi)
dev_set_drvdata(&spi->dev, wm8776);
return wm8776_register(wm8776);
return wm8776_register(wm8776, SND_SOC_SPI);
}
static int __devexit wm8776_spi_remove(struct spi_device *spi)
@ -700,7 +663,7 @@ static __devinit int wm8776_i2c_probe(struct i2c_client *i2c,
codec->dev = &i2c->dev;
return wm8776_register(wm8776);
return wm8776_register(wm8776, SND_SOC_I2C);
}
static __devexit int wm8776_i2c_remove(struct i2c_client *client)