diff options
| -rw-r--r-- | sound/usb/mixer.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 91bc8f18791e..1beb5b4d027e 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2330,9 +2330,14 @@ void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) { struct usb_mixer_elem_list *list; - for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) + for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) { + struct usb_mixer_elem_info *info = + (struct usb_mixer_elem_info *)list; + /* invalidate cache, so the value is read from the device */ + info->cached = 0; snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &list->kctl->id); + } } static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |