@@ -1117,6 +1117,8 @@ static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
{
struct user_element *ue = kctl->private_data;
unsigned int *container;
+ struct snd_ctl_elem_id id;
+ int i;
int change;
if (size > 1024 * 128) /* sane value */
@@ -1138,7 +1140,10 @@ static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
ue->tlv_data = container;
ue->tlv_data_size = size;
- snd_ctl_notify(ue->card, SNDRV_CTL_EVENT_MASK_TLV, &kctl->id);
+ for (i = 0; i < kctl->count; ++i) {
+ snd_ctl_build_ioff(&id, kctl, i);
+ snd_ctl_notify(ue->card, SNDRV_CTL_EVENT_MASK_TLV, &id);
+ }
return change;
}
In a design of user-defined element set, applications allow to change TLV data on the set. This operation doesn't only affects to a target element, but also to elements in the set. This commit generates TLV event for all of elements in the set when the TLV data is changed. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> --- sound/core/control.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)