ASoC: wm8523: Move regulator acquisition to I2C probe()
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 10 Sep 2012 08:23:34 +0000 (16:23 +0800)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 10 Sep 2012 09:25:44 +0000 (17:25 +0800)
This is better style since we acquire all needed resources before we try
to do the ASoC card probe.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/codecs/wm8523.c

index af2289ee6cd695c684d77f4b21f048fceda38cb8..c4c64e225c428d8b8fe15a124da0619a6dfcaf10 100644 (file)
@@ -402,7 +402,7 @@ static int wm8523_resume(struct snd_soc_codec *codec)
 static int wm8523_probe(struct snd_soc_codec *codec)
 {
        struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
-       int ret, i;
+       int ret;
 
        wm8523->rate_constraint.list = &wm8523->rate_constraint_list[0];
        wm8523->rate_constraint.count =
@@ -414,16 +414,6 @@ static int wm8523_probe(struct snd_soc_codec *codec)
                return ret;
        }
 
-       for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++)
-               wm8523->supplies[i].supply = wm8523_supply_names[i];
-
-       ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8523->supplies),
-                                wm8523->supplies);
-       if (ret != 0) {
-               dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-               return ret;
-       }
-
        ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies),
                                    wm8523->supplies);
        if (ret != 0) {
@@ -471,7 +461,6 @@ static int wm8523_probe(struct snd_soc_codec *codec)
 err_enable:
        regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
 err_get:
-       regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
 
        return ret;
 }
@@ -481,7 +470,6 @@ static int wm8523_remove(struct snd_soc_codec *codec)
        struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
 
        wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
-       regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
        return 0;
 }
 
@@ -514,13 +502,23 @@ static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
                                      const struct i2c_device_id *id)
 {
        struct wm8523_priv *wm8523;
-       int ret;
+       int ret, i;
 
        wm8523 = devm_kzalloc(&i2c->dev, sizeof(struct wm8523_priv),
                              GFP_KERNEL);
        if (wm8523 == NULL)
                return -ENOMEM;
 
+       for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++)
+               wm8523->supplies[i].supply = wm8523_supply_names[i];
+
+       ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8523->supplies),
+                                     wm8523->supplies);
+       if (ret != 0) {
+               dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+               return ret;
+       }
+
        i2c_set_clientdata(i2c, wm8523);
        wm8523->control_type = SND_SOC_I2C;