ASoC: sgtl5000: Use devm_regulator_bulk_get()

Using devm_regulator_bulk_get() can make the code cleaner and smaller as we
do not need to call regulator_bulk_free() in the error and remove paths.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/sgtl5000.c

@@ -1322,7 +1322,7 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec)
 			return ret;
 	}
 
-	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(sgtl5000->supplies),
+	ret = devm_regulator_bulk_get(codec->dev, ARRAY_SIZE(sgtl5000->supplies),
 				 sgtl5000->supplies);
 	if (ret)
 		goto err_ldo_remove;
@@ -1330,16 +1330,13 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec)
 	ret = regulator_bulk_enable(ARRAY_SIZE(sgtl5000->supplies),
 					sgtl5000->supplies);
 	if (ret)
-		goto err_regulator_free;
+		goto err_ldo_remove;
 
 	/* wait for all power rails bring up */
 	udelay(10);
 
 	return 0;
 
-err_regulator_free:
-	regulator_bulk_free(ARRAY_SIZE(sgtl5000->supplies),
-				sgtl5000->supplies);
 err_ldo_remove:
 	if (!external_vddd)
 		ldo_regulator_remove(codec);
@@ -1409,8 +1406,6 @@ static int sgtl5000_probe(struct snd_soc_codec *codec)
 err:
 	regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
 						sgtl5000->supplies);
-	regulator_bulk_free(ARRAY_SIZE(sgtl5000->supplies),
-				sgtl5000->supplies);
 	ldo_regulator_remove(codec);
 
 	return ret;
@@ -1424,8 +1419,6 @@ static int sgtl5000_remove(struct snd_soc_codec *codec)
 
 	regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies),
 						sgtl5000->supplies);
-	regulator_bulk_free(ARRAY_SIZE(sgtl5000->supplies),
-				sgtl5000->supplies);
 	ldo_regulator_remove(codec);
 
 	return 0;