[alsa-devel] [PATCH 2/2] ASoC: wm8580: Move regulator acquisition to I2C probe

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Sep 12 06:05:32 CEST 2012


Better style as we get all the resources we need prior to starting the
ASoC level probe.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm8580.c |   26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 2a07c70..a27f8fb 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -857,7 +857,7 @@ static struct snd_soc_dai_driver wm8580_dai[] = {
 static int wm8580_probe(struct snd_soc_codec *codec)
 {
 	struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
-	int ret = 0,i;
+	int ret = 0;
 
 	ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
 	if (ret < 0) {
@@ -865,16 +865,6 @@ static int wm8580_probe(struct snd_soc_codec *codec)
 		return ret;
 	}
 
-	for (i = 0; i < ARRAY_SIZE(wm8580->supplies); i++)
-		wm8580->supplies[i].supply = wm8580_supply_names[i];
-
-	ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8580->supplies),
-				 wm8580->supplies);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-		return ret;
-	}
-
 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8580->supplies),
 				    wm8580->supplies);
 	if (ret != 0) {
@@ -896,7 +886,6 @@ static int wm8580_probe(struct snd_soc_codec *codec)
 err_regulator_enable:
 	regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
 err_regulator_get:
-	regulator_bulk_free(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
 	return ret;
 }
 
@@ -908,7 +897,6 @@ static int wm8580_remove(struct snd_soc_codec *codec)
 	wm8580_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
 	regulator_bulk_disable(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
-	regulator_bulk_free(ARRAY_SIZE(wm8580->supplies), wm8580->supplies);
 
 	return 0;
 }
@@ -946,7 +934,7 @@ static int wm8580_i2c_probe(struct i2c_client *i2c,
 			    const struct i2c_device_id *id)
 {
 	struct wm8580_priv *wm8580;
-	int ret;
+	int ret, i;
 
 	wm8580 = devm_kzalloc(&i2c->dev, sizeof(struct wm8580_priv),
 			      GFP_KERNEL);
@@ -957,6 +945,16 @@ static int wm8580_i2c_probe(struct i2c_client *i2c,
 	if (IS_ERR(wm8580->regmap))
 		return PTR_ERR(wm8580->regmap);
 
+	for (i = 0; i < ARRAY_SIZE(wm8580->supplies); i++)
+		wm8580->supplies[i].supply = wm8580_supply_names[i];
+
+	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8580->supplies),
+				      wm8580->supplies);
+	if (ret != 0) {
+		dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+		return ret;
+	}
+
 	i2c_set_clientdata(i2c, wm8580);
 
 	ret =  snd_soc_register_codec(&i2c->dev,
-- 
1.7.10.4



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