Revert "ASoC: AC97 doesn't use regmap by default"

Since commit 98d3088e (SoC: core: Fix check before defaulting to regmap)
, it is not necessary to provide codec->control_data anymore.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/ad1980.c

@@ -186,7 +186,6 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec)
 
 	printk(KERN_INFO "AD1980 SoC Audio Codec\n");
 
-	codec->control_data = codec;	/* we don't use regmap! */
 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 	if (ret < 0) {
 		printk(KERN_ERR "ad1980: failed to register AC97 codec\n");

sound/soc/codecs/stac9766.c

@@ -340,7 +340,6 @@ static int stac9766_codec_probe(struct snd_soc_codec *codec)
 
 	printk(KERN_INFO "STAC9766 SoC Audio Codec %s\n", STAC9766_VERSION);
 
-	codec->control_data = codec;	/* we don't use regmap! */
 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 	if (ret < 0)
 		goto codec_err;

sound/soc/codecs/wm9712.c

@@ -635,7 +635,6 @@ static int wm9712_soc_probe(struct snd_soc_codec *codec)
 {
 	int ret = 0;
 
-	codec->control_data = codec;	/* we don't use regmap! */
 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 	if (ret < 0) {
 		printk(KERN_ERR "wm9712: failed to register AC97 codec\n");

sound/soc/codecs/wm9713.c

@@ -1196,7 +1196,6 @@ static int wm9713_soc_probe(struct snd_soc_codec *codec)
 	if (wm9713 == NULL)
 		return -ENOMEM;
 	snd_soc_codec_set_drvdata(codec, wm9713);
-	codec->control_data = wm9713;	/* we don't use regmap! */
 
 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 	if (ret < 0)