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 --- include/sound/soc.h | 1 + sound/soc/soc-core.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h index dda731795bd4..1b3c58fe14c4 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -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); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fc6922ecc3fd..f22a09f74ee7 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3441,6 +3441,24 @@ 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) {