From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
simple-card needs to decrease the reference count of the device nodes.
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 | 15 +++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 7846467..7dbb349 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -72,4 +72,6 @@ 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);
+int asoc_simple_card_clean_reference(struct snd_soc_card *card);
+
#endif /* __SIMPLE_CARD_CORE_H */
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index b8977ca..8bd4c83 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -271,3 +271,18 @@ int asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
return 0;
}
EXPORT_SYMBOL_GPL(asoc_simple_card_canonicalize_cpu);
+
+int asoc_simple_card_clean_reference(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *dai_link;
+ int num_links;
+
+ for (num_links = 0, dai_link = card->dai_link;
+ num_links < card->num_links;
+ num_links++, dai_link++) {
+ of_node_put(dai_link->cpu_of_node);
+ of_node_put(dai_link->codec_of_node);
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_simple_card_clean_reference);
--
1.9.1
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