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ASoC: soc-core.c: add snd_soc_get_dai_via_args()

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To enable multi Component, Card driver need to get DAI via dai_args
to identify it. This patch adds snd_soc_get_dai_via_args() for it.

This is helper function for multi Component support.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87edlgo94p.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2023-07-10 10:20:06 +09:00 committed by Mark Brown
parent 45655ec69c
commit 442ae56cf5
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GPG key ID: 24D68B725D5487D0
2 changed files with 19 additions and 0 deletions
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1
include/sound/soc.h
View file

@ -1336,6 +1336,7 @@ int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
struct snd_soc_pcm_runtime *rtd);
struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args);
struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
struct snd_soc_dai_driver *dai_drv,
bool legacy_dai_naming);

18
sound/soc/soc-core.c
View file

@ -3446,6 +3446,24 @@ int snd_soc_of_get_dai_name(struct device_node *of_node,
}
EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args)
{
struct snd_soc_dai *dai;
struct snd_soc_component *component;
mutex_lock(&client_mutex);
for_each_component(component) {
for_each_component_dais(component, dai)
if (snd_soc_is_match_dai_args(dai->driver->dai_args, dai_args))
goto found;
}
dai = NULL;
found:
mutex_unlock(&client_mutex);
return dai;
}
EXPORT_SYMBOL_GPL(snd_soc_get_dai_via_args);
static void __snd_soc_of_put_component(struct snd_soc_dai_link_component *component)
{
if (component->of_node) {