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>
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 81d2af0..cbd605b 100644
--- a/sound/soc/soc-topology.c
+++ b/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)