[alsa-devel] [PATCH 1/1] ASoC: wm9090: Use devm_regmap_init_i2c()
Sachin Kamat
sachin.kamat at linaro.org
Wed Nov 28 10:13:52 CET 2012
devm_regmap_init_i2c() is device managed and makes error
handling and code cleanup simpler.
Signed-off-by: Sachin Kamat <sachin.kamat at linaro.org>
---
sound/soc/codecs/wm9090.c | 20 ++++++--------------
1 files changed, 6 insertions(+), 14 deletions(-)
diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c
index c7ddc56..bb55a70 100644
--- a/sound/soc/codecs/wm9090.c
+++ b/sound/soc/codecs/wm9090.c
@@ -628,7 +628,7 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
}
- wm9090->regmap = regmap_init_i2c(i2c, &wm9090_regmap);
+ wm9090->regmap = devm_regmap_init_i2c(i2c, &wm9090_regmap);
if (IS_ERR(wm9090->regmap)) {
ret = PTR_ERR(wm9090->regmap);
dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
@@ -637,16 +637,16 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, ®);
if (ret < 0)
- goto err;
+ return ret;
+
if (reg != 0x9093) {
dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg);
- ret = -ENODEV;
- goto err;
+ return -ENODEV;
}
ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
if (ret < 0)
- goto err;
+ return ret;
if (i2c->dev.platform_data)
memcpy(&wm9090->pdata, i2c->dev.platform_data,
@@ -658,23 +658,15 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
&soc_codec_dev_wm9090, NULL, 0);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
- goto err;
+ return ret;
}
return 0;
-
-err:
- regmap_exit(wm9090->regmap);
- return ret;
}
static int __devexit wm9090_i2c_remove(struct i2c_client *i2c)
{
- struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c);
-
snd_soc_unregister_codec(&i2c->dev);
- regmap_exit(wm9090->regmap);
-
return 0;
}
--
1.7.4.1
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