ASoC: Push the codec runtime storage into the card structure

This is a further stage on the road to refactoring away the ASoC
platform device.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index 2aa12fd..21253b4 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -350,7 +350,7 @@
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_device *socdev = rtd->socdev;
-	struct snd_soc_codec *codec = socdev->codec;
+	struct snd_soc_codec *codec = socdev->card->codec;
 	struct cs4270_private *cs4270 = codec->private_data;
 	int ret;
 	unsigned int i;
@@ -575,7 +575,7 @@
 		return -ENOMEM;
 	}
 	codec = &cs4270->codec;
-	socdev->codec = codec;
+	socdev->card->codec = codec;
 
 	mutex_init(&codec->mutex);
 	INIT_LIST_HEAD(&codec->dapm_widgets);
@@ -653,7 +653,7 @@
 static int cs4270_i2c_remove(struct i2c_client *i2c_client)
 {
 	struct snd_soc_device *socdev = i2c_get_clientdata(i2c_client);
-	struct snd_soc_codec *codec = socdev->codec;
+	struct snd_soc_codec *codec = socdev->card->codec;
 	struct cs4270_private *cs4270 = codec->private_data;
 
 	snd_soc_free_pcms(socdev);