[PATCH v1 1/4] ASoC: soc-component: add get_jack_supported_type

[Astrid Rost <astrid.rost@axis.com>]

Add function to return the supported jack type of snd_jack_types.
This allows a generic card driver to check whether the jack
type is valid or add all supported ones.

Signed-off-by: Astrid Rost <astrid.rost@axis.com>
---
 include/sound/soc-component.h |  2 ++
 sound/soc/soc-component.c     | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index c26ffb033777..5aa43c323028 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -98,6 +98,7 @@ struct snd_soc_component_driver {
 		       int source, unsigned int freq_in, unsigned int freq_out);
 	int (*set_jack)(struct snd_soc_component *component,
 			struct snd_soc_jack *jack,  void *data);
+	int (*get_jack_supported_type)(struct snd_soc_component *component);
 
 	/* DT */
 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
@@ -384,6 +385,7 @@ int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
 			      unsigned int freq_out);
 int snd_soc_component_set_jack(struct snd_soc_component *component,
 			       struct snd_soc_jack *jack, void *data);
+int snd_soc_component_get_jack_supported_type(struct snd_soc_component *component);
 
 void snd_soc_component_seq_notifier(struct snd_soc_component *component,
 				    enum snd_soc_dapm_type type, int subseq);
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index e12f8244242b..112da1647f10 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -256,6 +256,24 @@ int snd_soc_component_set_jack(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
 
+/**
+ * snd_soc_component_get_jack_supported_type
+ * @component: COMPONENTs
+ *
+ * Returns the supported jack type of the component
+ */
+int snd_soc_component_get_jack_supported_type(
+	struct snd_soc_component *component)
+{
+	int ret = -ENOTSUPP;
+
+	if (component->driver->get_jack_supported_type)
+		ret = component->driver->get_jack_supported_type(component);
+
+	return soc_component_ret(component, ret);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_get_jack_supported_type);
+
 int snd_soc_component_module_get(struct snd_soc_component *component,
 				 void *mark, int upon_open)
 {
-- 
2.30.2