ASoC: Convert rt5631 to devm_kzalloc()

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/rt5631.c

@@ -1724,7 +1724,8 @@ static int rt5631_i2c_probe(struct i2c_client *i2c,
 	struct rt5631_priv *rt5631;
 	int ret;
 
-	rt5631 = kzalloc(sizeof(struct rt5631_priv), GFP_KERNEL);
+	rt5631 = devm_kzalloc(&i2c->dev, sizeof(struct rt5631_priv),
+			      GFP_KERNEL);
 	if (NULL == rt5631)
 		return -ENOMEM;
 
@@ -1732,16 +1733,12 @@ static int rt5631_i2c_probe(struct i2c_client *i2c,
 
 	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5631,
 			rt5631_dai, ARRAY_SIZE(rt5631_dai));
-	if (ret < 0)
-		kfree(rt5631);
-
 	return ret;
 }
 
 static __devexit int rt5631_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
-	kfree(i2c_get_clientdata(client));
 	return 0;
 }