ASoC: Push wm8978 reset down into the I2C probe

Ensures that we get control of the CODEC earlier and don't try to probe
the card at all if register I/O isn't working.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c
index 5ff8734..72d5fdc 100644 (file)
--- a/sound/soc/codecs/wm8978.c
+++ b/sound/soc/codecs/wm8978.c
@@ -1000,13 +1000,6 @@ static int wm8978_probe(struct snd_soc_codec *codec)
        for (i = 0; i < ARRAY_SIZE(update_reg); i++)
                snd_soc_update_bits(codec, update_reg[i], 0x100, 0x100);
 
-       /* Reset the codec */
-       ret = snd_soc_write(codec, WM8978_RESET, 0);
-       if (ret < 0) {
-               dev_err(codec->dev, "Failed to issue reset\n");
-               return ret;
-       }
-
        wm8978_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
        return 0;
@@ -1066,9 +1059,24 @@ static __devinit int wm8978_i2c_probe(struct i2c_client *i2c,
 
        i2c_set_clientdata(i2c, wm8978);
 
+       /* Reset the codec */
+       ret = regmap_write(wm8978->regmap, WM8978_RESET, 0);
+       if (ret != 0) {
+               dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
+               goto err;
+       }
+
        ret = snd_soc_register_codec(&i2c->dev,
                        &soc_codec_dev_wm8978, &wm8978_dai, 1);
+       if (ret != 0) {
+               dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+               goto err;
+       }
 
+       return 0;
+
+err:
+       regmap_exit(wm8978->regmap);
        return ret;
 }