[PATCH v2 19/29] ASoC: soc-component: add snd_soc_component_of_xlate_dai_name()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

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_of_xlate_dai_name() and use it

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
v1 -> v2

	- no change

 include/sound/soc-component.h |  3 +++
 sound/soc/soc-component.c     | 10 ++++++++++
 sound/soc/soc-core.c          |  7 ++-----
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index 3f4acd3..3ed2c39 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -360,5 +360,8 @@ int snd_soc_component_probe(struct snd_soc_component *component);
 void snd_soc_component_remove(struct snd_soc_component *component);
 int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
 				      struct device_node *ep);
+int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
+					struct of_phandle_args *args,
+					const char **dai_name);
 
 #endif /* __SOC_COMPONENT_H */
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index faf4999..de1bc51 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -389,3 +389,13 @@ int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
 
 	return -ENOTSUPP;
 }
+
+int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
+					struct of_phandle_args *args,
+					const char **dai_name)
+{
+	if (component->driver->of_xlate_dai_name)
+		return component->driver->of_xlate_dai_name(component,
+						     args, dai_name);
+	return -ENOTSUPP;
+}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 3937731..74743c8 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3404,11 +3404,8 @@ int snd_soc_get_dai_name(struct of_phandle_args *args,
 		if (component_of_node != args->np)
 			continue;
 
-		if (pos->driver->of_xlate_dai_name) {
-			ret = pos->driver->of_xlate_dai_name(pos,
-							     args,
-							     dai_name);
-		} else {
+		ret = snd_soc_component_of_xlate_dai_name(pos, args, dai_name);
+		if (ret == -ENOTSUPP) {
 			struct snd_soc_dai *dai;
 			int id = -1;
 
-- 
2.7.4

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