diff options
| author | Kuninori Morimoto <[email protected]> | 2023-07-10 10:20:06 +0900 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-07-17 06:15:44 +0100 |
| commit | 442ae56cf5c007faaf7440d4aa018c62e5761157 (patch) | |
| tree | b7bc36ed06231cb4f4d886ee6783821e12c4dd7b | |
| parent | 45655ec69cb954d7fa594054bec33d6d5b99f8d5 (diff) | |
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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 18 |
2 files changed, 19 insertions, 0 deletions
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 8487a4c12753..22a065f4c908 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -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) { |