ASoC: soc-core: move snd_soc_find_dai_link()

snd_soc_find_dai_link() is soc-topology specific function.
We don't need to have it at soc-core.
This patch moves it to soc-topology.c

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/878snlyq61.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -1327,9 +1327,6 @@ int snd_soc_add_dai_link(struct snd_soc_card *card,
 				struct snd_soc_dai_link *dai_link);
 void snd_soc_remove_dai_link(struct snd_soc_card *card,
 			     struct snd_soc_dai_link *dai_link);
-struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
-					       int id, const char *name,
-					       const char *stream_name);
 
 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
 					 struct snd_soc_dai_driver *dai_drv,

sound/soc/soc-core.c

@@ -901,50 +901,6 @@ struct snd_soc_dai *snd_soc_find_dai(
 }
 EXPORT_SYMBOL_GPL(snd_soc_find_dai);
 
-/**
- * snd_soc_find_dai_link - Find a DAI link
- *
- * @card: soc card
- * @id: DAI link ID to match
- * @name: DAI link name to match, optional
- * @stream_name: DAI link stream name to match, optional
- *
- * This function will search all existing DAI links of the soc card to
- * find the link of the same ID. Since DAI links may not have their
- * unique ID, so name and stream name should also match if being
- * specified.
- *
- * Return: pointer of DAI link, or NULL if not found.
- */
-struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
-					       int id, const char *name,
-					       const char *stream_name)
-{
-	struct snd_soc_pcm_runtime *rtd;
-	struct snd_soc_dai_link *link;
-
-	lockdep_assert_held(&client_mutex);
-
-	for_each_card_rtds(card, rtd) {
-		link = rtd->dai_link;
-
-		if (link->id != id)
-			continue;
-
-		if (name && (!link->name || strcmp(name, link->name)))
-			continue;
-
-		if (stream_name && (!link->stream_name
-			|| strcmp(stream_name, link->stream_name)))
-			continue;
-
-		return link;
-	}
-
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_find_dai_link);
-
 static int soc_dai_link_sanity_check(struct snd_soc_card *card,
 				     struct snd_soc_dai_link *link)
 {

sound/soc/soc-topology.c

@@ -2207,6 +2207,47 @@ static int link_new_ver(struct soc_tplg *tplg,
 	return 0;
 }
 
+/**
+ * snd_soc_find_dai_link - Find a DAI link
+ *
+ * @card: soc card
+ * @id: DAI link ID to match
+ * @name: DAI link name to match, optional
+ * @stream_name: DAI link stream name to match, optional
+ *
+ * This function will search all existing DAI links of the soc card to
+ * find the link of the same ID. Since DAI links may not have their
+ * unique ID, so name and stream name should also match if being
+ * specified.
+ *
+ * Return: pointer of DAI link, or NULL if not found.
+ */
+static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
+						      int id, const char *name,
+						      const char *stream_name)
+{
+	struct snd_soc_pcm_runtime *rtd;
+	struct snd_soc_dai_link *link;
+
+	for_each_card_rtds(card, rtd) {
+		link = rtd->dai_link;
+
+		if (link->id != id)
+			continue;
+
+		if (name && (!link->name || strcmp(name, link->name)))
+			continue;
+
+		if (stream_name && (!link->stream_name
+				    || strcmp(stream_name, link->stream_name)))
+			continue;
+
+		return link;
+	}
+
+	return NULL;
+}
+
 /* Find and configure an existing physical DAI link */
 static int soc_tplg_link_config(struct soc_tplg *tplg,
 	struct snd_soc_tplg_link_config *cfg)