On Tue, 18 Jun 2019 09:47:38 +0200, bgoswami@codeaurora.org wrote:
From: Banajit Goswami bgoswami@codeaurora.org
Drivers may need to use the ASoC core function to find out whether a particular component is already registered with ASoC core or not. Export the function so that drivers can use it outside of the file.
Signed-off-by: Banajit Goswami bgoswami@codeaurora.org
include/sound/soc.h | 2 ++ sound/soc/soc-core.c | 13 ++++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 482b4ea..def975f 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1405,6 +1405,8 @@ int snd_soc_component_update_bits_async(struct snd_soc_component *component, void snd_soc_component_async_complete(struct snd_soc_component *component); int snd_soc_component_test_bits(struct snd_soc_component *component, unsigned int reg, unsigned int mask, unsigned int value); +struct snd_soc_component *soc_find_component(
- const struct device_node *of_node, const char *name);
/* component wide operations */ int snd_soc_component_set_sysclk(struct snd_soc_component *component, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 41c0cfa..50a9977 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -741,7 +741,17 @@ int snd_soc_resume(struct device *dev) static const struct snd_soc_dai_ops null_dai_ops = { };
-static struct snd_soc_component *soc_find_component( +/**
- soc_find_component: find a component from component_list in ASoC core
- @of_node: of_node of the component to query.
- @name: name of the component to query.
- function to find out if a component is already registered with ASoC core.
- Returns component handle for success, else NULL error.
- */
+struct snd_soc_component *soc_find_component( const struct device_node *of_node, const char *name) { struct snd_soc_component *component; @@ -764,6 +774,7 @@ static struct snd_soc_component *soc_find_component(
return NULL; } +EXPORT_SYMBOL(soc_find_component);
Why not EXPORT_SYMBOL_GPL()?
thanks,
Takashi