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ASoC: soc-core.c: add snd_soc_get_dai_via_args()
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>
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@ -1336,6 +1336,7 @@ int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
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void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
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struct snd_soc_pcm_runtime *rtd);
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struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args);
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struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
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struct snd_soc_dai_driver *dai_drv,
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bool legacy_dai_naming);
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@ -3446,6 +3446,24 @@ int snd_soc_of_get_dai_name(struct device_node *of_node,
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}
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EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
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struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args)
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{
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struct snd_soc_dai *dai;
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struct snd_soc_component *component;
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mutex_lock(&client_mutex);
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for_each_component(component) {
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for_each_component_dais(component, dai)
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if (snd_soc_is_match_dai_args(dai->driver->dai_args, dai_args))
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goto found;
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}
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dai = NULL;
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found:
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mutex_unlock(&client_mutex);
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return dai;
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}
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EXPORT_SYMBOL_GPL(snd_soc_get_dai_via_args);
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static void __snd_soc_of_put_component(struct snd_soc_dai_link_component *component)
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{
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if (component->of_node) {
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