summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/wm9090.c
diff options
context:
space:
mode:
authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-13 14:43:01 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-20 14:58:20 +0100
commit391d9e4e5ce50bf14400ed04d13821e7b56e84f7 (patch)
treef4a65cf76a3bcc1555acf6d30aa8d1aa918e7a1d /sound/soc/codecs/wm9090.c
parentASoC: Convert WM9090 to use regmap directly (diff)
downloadlinux-391d9e4e5ce50bf14400ed04d13821e7b56e84f7.tar.xz
linux-391d9e4e5ce50bf14400ed04d13821e7b56e84f7.zip
ASoC: Move WM9090 device identification and reset to I2C probe
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm9090.c')
-rw-r--r--sound/soc/codecs/wm9090.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c
index 4be5551f06a0..a2b9208a08f0 100644
--- a/sound/soc/codecs/wm9090.c
+++ b/sound/soc/codecs/wm9090.c
@@ -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));