ASoC: soc-component: add get_jack_type

Add function to return the jack type of snd_jack_types.
This allows a generic card driver to add a jack with the specified
type.
Signed-off-by: Astrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20230123135913.2720991-2-astrid.rost@axis.comSigned-off-by: Mark Brown <broonie@kernel.org>

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_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_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);

sound/soc/soc-component.c

@@ -256,6 +256,26 @@ int snd_soc_component_set_jack(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
 
+/**
+ * snd_soc_component_get_jack_type
+ * @component: COMPONENTs
+ *
+ * Returns the jack type of the component
+ * This can either be the supported type or one read from
+ * devicetree with the property: jack-type.
+ */
+int snd_soc_component_get_jack_type(
+	struct snd_soc_component *component)
+{
+	int ret = -ENOTSUPP;
+
+	if (component->driver->get_jack_type)
+		ret = component->driver->get_jack_type(component);
+
+	return soc_component_ret(component, ret);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_get_jack_type);
+
 int snd_soc_component_module_get(struct snd_soc_component *component,
 				 void *mark, int upon_open)
 {