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(-)
diff --git a/sound/core/control.c b/sound/core/control.c index bbcf4833ad1c..b8d2fa465a9d 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -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; }