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-rw-r--r--include/sound/soc-component.h5
-rw-r--r--sound/soc/soc-component.c42
2 files changed, 39 insertions, 8 deletions
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index ceca69b46a82..bf2e381cd124 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -462,6 +462,11 @@ int snd_soc_component_force_enable_pin_unlocked(
const char *pin);
/* component controls */
+struct snd_kcontrol *snd_soc_component_get_kcontrol(struct snd_soc_component *component,
+ const char * const ctl);
+struct snd_kcontrol *
+snd_soc_component_get_kcontrol_locked(struct snd_soc_component *component,
+ const char * const ctl);
int snd_soc_component_notify_control(struct snd_soc_component *component,
const char * const ctl);
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index 4d7c2e3c929a..42f481321919 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -236,19 +236,45 @@ int snd_soc_component_force_enable_pin_unlocked(
}
EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
-int snd_soc_component_notify_control(struct snd_soc_component *component,
- const char * const ctl)
+static void soc_get_kcontrol_name(struct snd_soc_component *component,
+ char *buf, int size, const char * const ctl)
{
- char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
- struct snd_kcontrol *kctl;
-
/* When updating, change also snd_soc_dapm_widget_name_cmp() */
if (component->name_prefix)
- snprintf(name, ARRAY_SIZE(name), "%s %s", component->name_prefix, ctl);
+ snprintf(buf, size, "%s %s", component->name_prefix, ctl);
else
- snprintf(name, ARRAY_SIZE(name), "%s", ctl);
+ snprintf(buf, size, "%s", ctl);
+}
+
+struct snd_kcontrol *snd_soc_component_get_kcontrol(struct snd_soc_component *component,
+ const char * const ctl)
+{
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+
+ soc_get_kcontrol_name(component, name, ARRAY_SIZE(name), ctl);
+
+ return snd_soc_card_get_kcontrol(component->card, name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_get_kcontrol);
+
+struct snd_kcontrol *
+snd_soc_component_get_kcontrol_locked(struct snd_soc_component *component,
+ const char * const ctl)
+{
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+
+ soc_get_kcontrol_name(component, name, ARRAY_SIZE(name), ctl);
+
+ return snd_soc_card_get_kcontrol_locked(component->card, name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_get_kcontrol_locked);
+
+int snd_soc_component_notify_control(struct snd_soc_component *component,
+ const char * const ctl)
+{
+ struct snd_kcontrol *kctl;
- kctl = snd_soc_card_get_kcontrol(component->card, name);
+ kctl = snd_soc_component_get_kcontrol(component, ctl);
if (!kctl)
return soc_component_ret(component, -EINVAL);