From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
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_open() and use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
v1 -> v2
- no change
include/sound/soc-component.h | 4 ++++
sound/soc/soc-component.c | 10 ++++++++++
sound/soc/soc-pcm.c | 6 +-----
3 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index a76cadf..156b1a5 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -338,4 +338,8 @@ int snd_soc_component_force_enable_pin_unlocked(
struct snd_soc_component *component,
const char *pin);
+/* component driver ops */
+int snd_soc_component_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
+
#endif /* __SOC_COMPONENT_H */
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index ac2d7bd..ada46f9 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -285,3 +285,13 @@ void snd_soc_component_module_put(struct snd_soc_component *component,
if (component->driver->module_get_upon_open == !!upon_open)
module_put(component->dev->driver->owner);
}
+
+int snd_soc_component_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ if (component->driver->ops &&
+ component->driver->ops->open)
+ return component->driver->ops->open(substream);
+
+ return 0;
+}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 35644c9..59b0729 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -447,11 +447,7 @@ static int soc_pcm_components_open(struct snd_pcm_substream *substream,
return ret;
}
- if (!component->driver->ops ||
- !component->driver->ops->open)
- continue;
-
- ret = component->driver->ops->open(substream);
+ ret = snd_soc_component_open(component, substream);
if (ret < 0) {
dev_err(component->dev,
"ASoC: can't open component %s: %d\n",
--
2.7.4
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