ASoC: ak4535: Use devm_regmap_init_i2c()

devm_regmap_init_i2c() is device managed and makes error
handling and code cleanup simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/ak4535.c

@@ -447,7 +447,7 @@ static __devinit int ak4535_i2c_probe(struct i2c_client *i2c,
 	if (ak4535 == NULL)
 		return -ENOMEM;
 
-	ak4535->regmap = regmap_init_i2c(i2c, &ak4535_regmap);
+	ak4535->regmap = devm_regmap_init_i2c(i2c, &ak4535_regmap);
 	if (IS_ERR(ak4535->regmap)) {
 		ret = PTR_ERR(ak4535->regmap);
 		dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
@@ -458,18 +458,13 @@ static __devinit int ak4535_i2c_probe(struct i2c_client *i2c,
 
 	ret = snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_ak4535, &ak4535_dai, 1);
-	if (ret != 0)
-		regmap_exit(ak4535->regmap);
 
 	return ret;
 }
 
 static __devexit int ak4535_i2c_remove(struct i2c_client *client)
 {
-	struct ak4535_priv *ak4535 = i2c_get_clientdata(client);
-
 	snd_soc_unregister_codec(&client->dev);
-	regmap_exit(ak4535->regmap);
 	return 0;
 }