ASoC: soc-core: remove soc_is_dai_link_bound()

Because complex separeted "card pre-listed component" and
"topology added component" duplicated operation is now
becoming simple, we don't need to check already bound dai_link
which is not exist anymore.
This patch removes soc_is_dai_link_bound().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87v9rxhkxw.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-core.c

@@ -953,19 +953,6 @@ struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
 }
 EXPORT_SYMBOL_GPL(snd_soc_find_dai_link);
 
-static bool soc_is_dai_link_bound(struct snd_soc_card *card,
-		struct snd_soc_dai_link *dai_link)
-{
-	struct snd_soc_pcm_runtime *rtd;
-
-	for_each_card_rtds(card, rtd) {
-		if (rtd->dai_link == dai_link)
-			return true;
-	}
-
-	return false;
-}
-
 static int soc_dai_link_sanity_check(struct snd_soc_card *card,
 				     struct snd_soc_dai_link *link)
 {
@@ -1085,12 +1072,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 
 	dev_dbg(card->dev, "ASoC: binding %s\n", dai_link->name);
 
-	if (soc_is_dai_link_bound(card, dai_link)) {
-		dev_dbg(card->dev, "ASoC: dai link %s already bound\n",
-			dai_link->name);
-		return 0;
-	}
-
 	ret = soc_dai_link_sanity_check(card, dai_link);
 	if (ret < 0)
 		return ret;