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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>
This commit is contained in:
Kuninori Morimoto 2016-08-10 02:20:19 +00:00 committed by Mark Brown
parent a09f383ef7
commit 983cebd602
2 changed files with 19 additions and 0 deletions
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2
include/sound/simple_card_utils.h
View File

@ -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 */

17
sound/soc/generic/simple-card-utils.c
View File

@ -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");