ASoC: soc-core: remove cpu_dai/codec_dai/cpu_dais/codec_dais

No-one is using cpu_dai/codec_dai/cpu_dais/codec_dais.
Let's remove these from snd_soc_pcm_runtime
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/87eetabok4.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -1143,14 +1143,16 @@ struct snd_soc_pcm_runtime {
 	/* runtime devices */
 	struct snd_pcm *pcm;
 	struct snd_compr *compr;
-	struct snd_soc_dai *codec_dai;
-	struct snd_soc_dai *cpu_dai;
-	struct snd_soc_dai **dais;
 
-	struct snd_soc_dai **codec_dais;
+	/*
+	 * dais = cpu_dai + codec_dai
+	 * see
+	 *	soc_new_pcm_runtime()
+	 *	asoc_rtd_to_cpu()
+	 *	asoc_rtd_to_codec()
+	 */
+	struct snd_soc_dai **dais;
 	unsigned int num_codecs;
-
-	struct snd_soc_dai **cpu_dais;
 	unsigned int num_cpus;
 
 	struct delayed_work delayed_work;

sound/soc/soc-core.c

@@ -487,9 +487,10 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
 	 * dais = [][][][][][][][][][][][][][][][][][]
 	 *	  ^cpu_dais         ^codec_dais
 	 *	  |--- num_cpus ---|--- num_codecs --|
+	 * see
+	 *	asoc_rtd_to_cpu()
+	 *	asoc_rtd_to_codec()
 	 */
-	rtd->cpu_dais	= &rtd->dais[0];
-	rtd->codec_dais	= &rtd->dais[dai_link->num_cpus];
 	rtd->num_cpus	= dai_link->num_cpus;
 	rtd->num_codecs	= dai_link->num_codecs;
 	rtd->card	= card;
@@ -996,9 +997,6 @@ int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
 		snd_soc_rtd_add_component(rtd, asoc_rtd_to_cpu(rtd, i)->component);
 	}
 
-	/* Single cpu links expect cpu and cpu_dai in runtime data */
-	rtd->cpu_dai = rtd->cpu_dais[0];
-
 	/* Find CODEC from registered CODECs */
 	for_each_link_codecs(dai_link, i, codec) {
 		asoc_rtd_to_codec(rtd, i) = snd_soc_find_dai(codec);
@@ -1011,9 +1009,6 @@ int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
 		snd_soc_rtd_add_component(rtd, asoc_rtd_to_codec(rtd, i)->component);
 	}
 
-	/* Single codec links expect codec and codec_dai in runtime data */
-	rtd->codec_dai = rtd->codec_dais[0];
-
 	/* Find PLATFORM from registered PLATFORMs */
 	for_each_link_platforms(dai_link, i, platform) {
 		for_each_component(component) {