diff options
| author |   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2023-07-10 10:20:06 +0900 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2023-07-17 06:15:44 +0100 |
| commit | 442ae56cf5c007faaf7440d4aa018c62e5761157 (patch) | |
| tree | b7bc36ed06231cb4f4d886ee6783821e12c4dd7b /sound/soc/soc-core.c | |
| parent | ASoC: soc-core.c: enable multi Component (diff) | |
| download | wireguard-linux-442ae56cf5c007faaf7440d4aa018c62e5761157.tar.xz wireguard-linux-442ae56cf5c007faaf7440d4aa018c62e5761157.zip | |
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>
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 18 |
1 files changed, 18 insertions, 0 deletions
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) { |