ASoC: soc-core: remove snd_soc_get_dai_substream()

No driver is using snd_soc_get_dai_substream(), and snd_soc_get_pcm_runtime() is enough for such purpose. We can revival it if it was needed in the future. Let's remove unused function. Signed-off-by: Kuninori Morimoto <[email protected]> Reviewed-by: Ranjani Sridharan <[email protected]> Reviewed-by: Pierre-Louis Bossart <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
raspberrypi · Dec 10, 2019 · 8babfb7 · 8babfb7
1 parent b553bd2
commit 8babfb7
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diff --git a/include/sound/soc.h b/include/sound/soc.h
@@ -464,8 +464,6 @@ static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 
 void snd_soc_disconnect_sync(struct device *dev);
 
-struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
-		const char *dai_link, int stream);
 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 		const char *dai_link);
 

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
@@ -389,21 +389,6 @@ struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
 
-struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
-		const char *dai_link, int stream)
-{
-	struct snd_soc_pcm_runtime *rtd;
-
-	for_each_card_rtds(card, rtd) {
-		if (rtd->dai_link->no_pcm &&
-			!strcmp(rtd->dai_link->name, dai_link))
-			return rtd->pcm->streams[stream].substream;
-	}
-	dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
-
 static const struct snd_soc_ops null_snd_soc_ops;
 
 static void soc_release_rtd_dev(struct device *dev)