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ASoC: Move WM9090 device identification and reset to I2C probe

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-12-13 21:43:01 +08:00
parent ec2c0fec11
commit 391d9e4e5c
1 changed files with 14 additions and 12 deletions
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26
sound/soc/codecs/wm9090.c
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@ -532,18 +532,6 @@ static int wm9090_probe(struct snd_soc_codec *codec)
return ret;
}
ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET);
if (ret < 0)
return ret;
if (ret != 0x9093) {
dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret);
return -EINVAL;
}
ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0);
if (ret < 0)
return ret;
/* Configure some defaults; they will be written out when we
* bring the bias up.
*/
@ -631,6 +619,7 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm9090_priv *wm9090;
unsigned int reg;
int ret;
wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL);
@ -646,6 +635,19 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
return ret;
}
ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, &reg);
if (ret < 0)
goto err;
if (reg != 0x9093) {
dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret);
ret = -ENODEV;
goto err;
}
ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
if (ret < 0)
goto err;
if (i2c->dev.platform_data)
memcpy(&wm9090->pdata, i2c->dev.platform_data,
sizeof(wm9090->pdata));