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Changed control to use events mask. Added subscribe ioctl

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This commit is contained in:
Abramo Bagnara 2001-02-13 21:29:30 +00:00
parent fa51799255
commit 3e97ef3ea0
14 changed files with 225 additions and 205 deletions
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30
src/mixer/simple.c
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@ -787,21 +787,27 @@ int simple_event_info(snd_mixer_elem_t *melem)
return snd_mixer_elem_change(melem);
}
int simple_event(snd_mixer_class_t *class, snd_ctl_event_type_t event,
int simple_event(snd_mixer_class_t *class, unsigned int mask,
snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
{
switch (event) {
case SND_CTL_EVENT_ADD:
return simple_event_add(class, helem);
case SND_CTL_EVENT_INFO:
return simple_event_info(melem);
case SND_CTL_EVENT_VALUE:
return snd_mixer_elem_throw_event(melem, event);
case SND_CTL_EVENT_REMOVE:
int err;
if (mask == SND_CTL_EVENT_MASK_REMOVE)
return simple_event_remove(helem, melem);
default:
assert(0);
break;
if (mask & SND_CTL_EVENT_MASK_ADD) {
err = simple_event_add(class, helem);
if (err < 0)
return err;
}
if (mask & SND_CTL_EVENT_MASK_INFO) {
err = simple_event_info(melem);
if (err < 0)
return err;
}
if (mask & SND_CTL_EVENT_MASK_VALUE) {
/* FIXME */
err = snd_mixer_elem_throw_event(melem, mask);
if (err < 0)
return err;
}
return 0;
}