[PATCH 18/19] ASoC: soc-card: add snd_soc_card_add_dai_link()

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

Card related function should be implemented at soc-card now.
This patch adds it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 include/sound/soc-card.h |  3 +++
 sound/soc/soc-card.c     | 12 ++++++++++++
 sound/soc/soc-core.c     |  5 +++--
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h
index 54341e4d818a..501d3d5b6efb 100644
--- a/include/sound/soc-card.h
+++ b/include/sound/soc-card.h
@@ -35,6 +35,9 @@ int snd_soc_card_set_bias_level_post(struct snd_soc_card *card,
 				     struct snd_soc_dapm_context *dapm,
 				     enum snd_soc_bias_level level);
 
+int snd_soc_card_add_dai_link(struct snd_soc_card *card,
+			      struct snd_soc_dai_link *dai_link);
+
 /* device driver data */
 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
 					    void *data)
diff --git a/sound/soc/soc-card.c b/sound/soc/soc-card.c
index 8db3b98d1c80..3886e6f2dbc3 100644
--- a/sound/soc/soc-card.c
+++ b/sound/soc/soc-card.c
@@ -196,3 +196,15 @@ int snd_soc_card_set_bias_level_post(struct snd_soc_card *card,
 
 	return soc_card_ret(card, ret);
 }
+
+int snd_soc_card_add_dai_link(struct snd_soc_card *card,
+			      struct snd_soc_dai_link *dai_link)
+{
+	int ret = 0;
+
+	if (card->add_dai_link)
+		ret = card->add_dai_link(card, dai_link);
+
+	return soc_card_ret(card, ret);
+}
+EXPORT_SYMBOL_GPL(snd_soc_card_add_dai_link);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 136ff7237a80..d238b47252a5 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -978,8 +978,9 @@ int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
 	/*
 	 * Notify the machine driver for extra initialization
 	 */
-	if (card->add_dai_link)
-		card->add_dai_link(card, dai_link);
+	ret = snd_soc_card_add_dai_link(card, dai_link);
+	if (ret < 0)
+		return ret;
 
 	if (dai_link->ignore)
 		return 0;
-- 
2.17.1