openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: soc-component: add snd_soc_component_hw_params() 

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_hw_params() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87blxh5rnf.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2019-07-26 13:50:19 +09:00 committed by Mark Brown
parent 6d53723380
commit 245c539a12
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/sound/soc-component.h
View File

@ -345,5 +345,8 @@ int snd_soc_component_close(struct snd_soc_component *component,
struct snd_pcm_substream *substream); struct snd_pcm_substream *substream);
int snd_soc_component_prepare(struct snd_soc_component *component, int snd_soc_component_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream); struct snd_pcm_substream *substream);
int snd_soc_component_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params);
#endif /* __SOC_COMPONENT_H */ #endif /* __SOC_COMPONENT_H */

11
sound/soc/soc-component.c
View File

@ -315,3 +315,14 @@ int snd_soc_component_prepare(struct snd_soc_component *component,
return 0; return 0;
} }
int snd_soc_component_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
if (component->driver->ops &&
component->driver->ops->hw_params)
return component->driver->ops->hw_params(substream, params);
return 0;
}

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

@ -951,11 +951,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
for_each_rtdcom(rtd, rtdcom) { for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component; component = rtdcom->component;
if (!component->driver->ops || ret = snd_soc_component_hw_params(component, substream, params);
!component->driver->ops->hw_params)
continue;
ret = component->driver->ops->hw_params(substream, params);
if (ret < 0) { if (ret < 0) {
dev_err(component->dev, dev_err(component->dev,
"ASoC: %s hw params failed: %d\n", "ASoC: %s hw params failed: %d\n",