From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
simple-card needs remove dai_link->cpu_dai_name if it CPU was
single DAI.
This patch makes this method simple style standard.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
include/sound/simple_card_utils.h | 2 ++
sound/soc/generic/simple-card-utils.c | 19 +++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index d5d88bb..7846467 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -69,5 +69,7 @@ int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
struct asoc_simple_dai *simple_dai);
int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
+int asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
+ int is_single_links);
#endif /* __SIMPLE_CARD_CORE_H */
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 2524f21..b8977ca 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -252,3 +252,22 @@ int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link)
return 0;
}
EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_dailink);
+
+int 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;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_cpu);
--
1.9.1
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