ASoC: soc-card: move snd_soc_card_get_kcontrol() to soc-card

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

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87a71s25kj.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/sound/soc/soc-card.c b/sound/soc/soc-card.c
index 4bc6f26ea8cb..340ab682cc76 100644
--- a/sound/soc/soc-card.c
+++ b/sound/soc/soc-card.c
@@ -24,3 +24,19 @@ static inline int _soc_card_ret(struct snd_soc_card *card,
 
 	return ret;
 }
+
+struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
+					       const char *name)
+{
+	struct snd_card *card = soc_card->snd_card;
+	struct snd_kcontrol *kctl;
+
+	if (unlikely(!name))
+		return NULL;
+
+	list_for_each_entry(kctl, &card->controls, list)
+		if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
+			return kctl;
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);