diff options
Diffstat (limited to 'sound/soc/soc-component.c')
| -rw-r--r-- | sound/soc/soc-component.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c index ff25718ff2e8..4356cc320fea 100644 --- a/sound/soc/soc-component.c +++ b/sound/soc/soc-component.c @@ -236,6 +236,28 @@ 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) +{ + char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + struct snd_kcontrol *kctl; + + if (component->name_prefix) + snprintf(name, ARRAY_SIZE(name), "%s %s", component->name_prefix, ctl); + else + snprintf(name, ARRAY_SIZE(name), "%s", ctl); + + kctl = snd_soc_card_get_kcontrol(component->card, name); + if (!kctl) + return soc_component_ret(component, -EINVAL); + + snd_ctl_notify(component->card->snd_card, + SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_component_notify_control); + /** * snd_soc_component_set_jack - configure component jack. * @component: COMPONENTs |