ASoC: max9768: 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/max9768.c

@@ -187,7 +187,7 @@ static int __devinit max9768_i2c_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, max9768);
 
-	max9768->regmap = regmap_init_i2c(client, &max9768_i2c_regmap_config);
+	max9768->regmap = devm_regmap_init_i2c(client, &max9768_i2c_regmap_config);
 	if (IS_ERR(max9768->regmap)) {
 		err = PTR_ERR(max9768->regmap);
 		goto err_gpio_free;
@@ -195,12 +195,10 @@ static int __devinit max9768_i2c_probe(struct i2c_client *client,
 
 	err = snd_soc_register_codec(&client->dev, &max9768_codec_driver, NULL, 0);
 	if (err)
-		goto err_regmap_free;
+		goto err_gpio_free;
 
 	return 0;
 
- err_regmap_free:
-	regmap_exit(max9768->regmap);
  err_gpio_free:
 	if (gpio_is_valid(max9768->shdn_gpio))
 		gpio_free(max9768->shdn_gpio);
@@ -215,7 +213,6 @@ static int __devexit max9768_i2c_remove(struct i2c_client *client)
 	struct max9768 *max9768 = i2c_get_clientdata(client);
 
 	snd_soc_unregister_codec(&client->dev);
-	regmap_exit(max9768->regmap);
 
 	if (gpio_is_valid(max9768->shdn_gpio))
 		gpio_free(max9768->shdn_gpio);