ASoC: soc-component: add snd_soc_component_trigger()

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_trigger() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878ssl5rn5.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

2 files changed, 12 insertions, 5 deletions

diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index e2bc34efe547..cf0d20a877e6 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -336,3 +336,14 @@ int snd_soc_component_hw_free(struct snd_soc_component *component,
 
         return 0;
 }
+
+int snd_soc_component_trigger(struct snd_soc_component *component,
+                              struct snd_pcm_substream *substream,
+                              int cmd)
+{
+        if (component->driver->ops &&
+            component->driver->ops->trigger)
+                return component->driver->ops->trigger(substream, cmd);
+
+        return 0;
+}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 8c5289904f20..cd49c2d688c3 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1065,11 +1065,7 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
         for_each_rtdcom(rtd, rtdcom) {
                 component = rtdcom->component;
 
-                if (!component->driver->ops ||
-                    !component->driver->ops->trigger)
-                        continue;
-
-                ret = component->driver->ops->trigger(substream, cmd);
+                ret = snd_soc_component_trigger(component, substream, cmd);
                 if (ret < 0)
                         return ret;
         }