To use multi Component support, we need to check dai_args whether Card could get DAI from args (CPU/Codec needs set dai_args on DAI driver). If it could, we need to allocate dai_args for dlc. This patch adds snd_soc_copy_dai_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 | 2 ++ sound/soc/soc-core.c | 13 +++++++++++++ 2 files changed, 15 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 94fca10f01ad..fa2337a3cf4c 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1338,6 +1338,8 @@ void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms, struct snd_soc_dai_link_component *cpus); +struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, + struct of_phandle_args *args); 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, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 9fd7e633d374..a5b96c17633a 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -809,6 +809,19 @@ static struct device_node return of_node; }
+struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, struct of_phandle_args *args) +{ + struct of_phandle_args *ret = devm_kzalloc(dev, sizeof(*ret), GFP_KERNEL); + + if (!ret) + return NULL; + + *ret = *args; + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_copy_dai_args); + static int snd_soc_is_matching_component( const struct snd_soc_dai_link_component *dlc, struct snd_soc_component *component)