ASoC: soc-component: add snd_soc_component_suspend()

Current ALSA SoC is directly using component->driver->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_suspend() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/877e855rn0.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

3 files changed, 9 insertions, 3 deletions

diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index 302e27a89d47..cdb014f41fd1 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -353,5 +353,6 @@ int snd_soc_component_hw_free(struct snd_soc_component *component,
 int snd_soc_component_trigger(struct snd_soc_component *component,
                               struct snd_pcm_substream *substream,
                               int cmd);
+void snd_soc_component_suspend(struct snd_soc_component *component);
 
 #endif /* __SOC_COMPONENT_H */
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index cf0d20a877e6..f0e63cd991c8 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -347,3 +347,10 @@ int snd_soc_component_trigger(struct snd_soc_component *component,
 
         return 0;
 }
+
+void snd_soc_component_suspend(struct snd_soc_component *component)
+{
+        if (component->driver->suspend)
+                component->driver->suspend(component);
+        component->suspended = 1;
+}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 9ba19efcc56c..855b19abc1d2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -520,9 +520,7 @@ int snd_soc_suspend(struct device *dev)
                                 /* fall through */
 
                         case SND_SOC_BIAS_OFF:
-                                if (component->driver->suspend)
-                                        component->driver->suspend(component);
-                                component->suspended = 1;
+                                snd_soc_component_suspend(component);
                                 if (component->regmap)
                                         regcache_mark_dirty(component->regmap);
                                 /* deactivate pins to sleep state */