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ASoC: soc-component: add snd_soc_component_prepare() 

Current ALSA SoC is directly using component->driver->ops->xxx,
thus, it is deep nested, and makes code difficult to read,
and is not good for encapsulation.
This patch adds new snd_soc_component_prepare() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87d0hx5rnm.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2019-07-26 13:50:13 +09:00 committed by Mark Brown
parent 3672beb8ca
commit 6d53723380
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 13 additions and 5 deletions
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2
include/sound/soc-component.h
View File

@ -343,5 +343,7 @@ int snd_soc_component_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int snd_soc_component_close(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
int snd_soc_component_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream);
#endif /* __SOC_COMPONENT_H */

10
sound/soc/soc-component.c
View File

@ -305,3 +305,13 @@ int snd_soc_component_close(struct snd_soc_component *component,
return 0;
}
int snd_soc_component_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
if (component->driver->ops &&
component->driver->ops->prepare)
return component->driver->ops->prepare(substream);
return 0;
}

6
sound/soc/soc-pcm.c
View File

@ -785,11 +785,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
if (!component->driver->ops ||
!component->driver->ops->prepare)
continue;
ret = component->driver->ops->prepare(substream);
ret = snd_soc_component_prepare(component, substream);
if (ret < 0) {
dev_err(component->dev,
"ASoC: platform prepare error: %d\n", ret);