From 983cebd602af8c2bf9d5830f15fb4e18fb38f994 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 10 Aug 2016 02:20:19 +0000
Subject: [PATCH] ASoC: simple-card-utils: add
asoc_simple_card_canonicalize_cpu()
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@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
include/sound/simple_card_utils.h | 2 ++
sound/soc/generic/simple-card-utils.c | 17 +++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index a71d46a95ca8d..f760f559393ea 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -62,5 +62,7 @@ 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);
+void 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 189eadddfad32..c5d32dad48b24 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");
--
GitLab