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-rw-r--r--sound/soc/generic/simple-card-utils.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 189eadddfad3..c5d32dad48b2 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -206,6 +206,23 @@ int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link)
}
EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_dailink);
+void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+ int is_single_links)
+{
+ /*
+ * In soc_bind_dai_link() will check cpu name after
+ * of_node matching if dai_link has cpu_dai_name.
+ * but, it will never match if name was created by
+ * fmt_single_name() remove cpu_dai_name if cpu_args
+ * was 0. See:
+ * fmt_single_name()
+ * fmt_multiple_name()
+ */
+ if (is_single_links)
+ dai_link->cpu_dai_name = NULL;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_cpu);
+
/* Module information */
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");
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