devm_regmap_init_i2c() is device managed and makes error handling and code cleanup simpler.
Signed-off-by: Sachin Kamat sachin.kamat@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; }