ASoC: Remove runtime field from DAI

In order for having snd_soc_dais shared among two or more dai_links,
remove the relatively global runtime field from the struct snd_soc_dai

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/soc-dai.h

@@ -215,7 +215,6 @@ struct snd_soc_dai {
 	unsigned int symmetric_rates:1;
 
 	/* DAI runtime info */
-	struct snd_pcm_runtime *runtime;
 	struct snd_soc_codec *codec;
 	unsigned int active;
 	unsigned char pop_wait:1;

sound/soc/soc-core.c

@@ -459,7 +459,6 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	else
 		cpu_dai->capture.active = codec_dai->capture.active = 1;
 	cpu_dai->active = codec_dai->active = 1;
-	cpu_dai->runtime = runtime;
 	card->codec->active++;
 	mutex_unlock(&pcm_mutex);
 	return 0;
@@ -559,7 +558,6 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
 
 	if (platform->pcm_ops->close)
 		platform->pcm_ops->close(substream);
-	cpu_dai->runtime = NULL;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		/* start delayed pop wq here for playback streams */