ASoC: wm8985: 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/wm8985.c

@@ -984,7 +984,6 @@ static int wm8985_remove(struct snd_soc_codec *codec)
 
 	wm8985 = snd_soc_codec_get_drvdata(codec);
 	wm8985_set_bias_level(codec, SND_SOC_BIAS_OFF);
-	regulator_bulk_free(ARRAY_SIZE(wm8985->supplies), wm8985->supplies);
 	return 0;
 }
 
@@ -999,7 +998,7 @@ static int wm8985_probe(struct snd_soc_codec *codec)
 	for (i = 0; i < ARRAY_SIZE(wm8985->supplies); i++)
 		wm8985->supplies[i].supply = wm8985_supply_names[i];
 
-	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8985->supplies),
+	ret = devm_regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8985->supplies),
 				 wm8985->supplies);
 	if (ret) {
 		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
@@ -1010,7 +1009,7 @@ static int wm8985_probe(struct snd_soc_codec *codec)
 				    wm8985->supplies);
 	if (ret) {
 		dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
-		goto err_reg_get;
+		return ret;
 	}
 
 	ret = wm8985_reset(codec);
@@ -1032,8 +1031,6 @@ static int wm8985_probe(struct snd_soc_codec *codec)
 
 err_reg_enable:
 	regulator_bulk_disable(ARRAY_SIZE(wm8985->supplies), wm8985->supplies);
-err_reg_get:
-	regulator_bulk_free(ARRAY_SIZE(wm8985->supplies), wm8985->supplies);
 	return ret;
 }