ASoC: Use supplied DAI for WM9713 rather than substream

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

sound/soc/codecs/wm9713.c

@@ -931,9 +931,7 @@ static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *params,
 				struct snd_soc_dai *dai)
 {
-	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 = dai->codec;
 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
 
 	switch (params_format(params)) {
@@ -958,9 +956,7 @@ static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
 static void wm9713_voiceshutdown(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
-	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 = dai->codec;
 	u16 status;
 
 	/* Gracefully shut down the voice interface. */
@@ -974,10 +970,8 @@ static void wm9713_voiceshutdown(struct snd_pcm_substream *substream,
 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
 			     struct snd_soc_dai *dai)
 {
+	struct snd_soc_codec *codec = dai->codec;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_device *socdev = rtd->socdev;
-	struct snd_soc_codec *codec = socdev->codec;
 	int reg;
 	u16 vra;
 
@@ -995,10 +989,8 @@ static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 			    struct snd_soc_dai *dai)
 {
+	struct snd_soc_codec *codec = dai->codec;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_device *socdev = rtd->socdev;
-	struct snd_soc_codec *codec = socdev->codec;
 	u16 vra, xsle;
 
 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);