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ucm: Create only one jack object per kcontrol

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Previously the UCM code created one jack object per device name (which
is not the same thing as creating one jack object per device, because
the UCM device namespace is scoped on per-verb basis, so devices in
different verbs may have the same name). I think it's conceptually
cleaner to create one jack object per alsa kcontrol. I plan to do
similar refactoring on the traditional mixer code later.
This commit is contained in:
Tanu Kaskinen 2015-05-04 21:03:44 +03:00
parent c9557e6969
commit d2bed5332a
3 changed files with 27 additions and 20 deletions
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34
src/modules/alsa/alsa-ucm.c
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@ -1292,27 +1292,39 @@ static pa_alsa_jack* ucm_get_jack(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *d
pa_alsa_jack *j;
const char *device_name;
const char *jack_control;
char *alsa_name;
char *name;
pa_assert(ucm);
pa_assert(device);
device_name = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_NAME);
PA_LLIST_FOREACH(j, ucm->jacks)
if (pa_streq(j->name, device_name))
return j;
jack_control = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_JACK_CONTROL);
if (jack_control)
alsa_name = pa_xstrdup(jack_control);
else
alsa_name = pa_sprintf_malloc("%s Jack", device_name);
if (jack_control) {
if (!pa_endswith(jack_control, " Jack")) {
pa_log("[%s] Invalid JackControl value: \"%s\"", device_name, jack_control);
return NULL;
}
j = pa_alsa_jack_new(NULL, device_name, alsa_name);
pa_xfree(alsa_name);
/* pa_alsa_jack_new() expects a jack name without " Jack" at the
* end, so drop the trailing " Jack". */
name = pa_xstrndup(jack_control, strlen(jack_control) - 5);
} else {
/* The jack control hasn't been explicitly configured - try a jack name
* that is the same as the device name. */
name = pa_xstrdup(device_name);
}
PA_LLIST_FOREACH(j, ucm->jacks)
if (pa_streq(j->name, name))
goto finish;
j = pa_alsa_jack_new(NULL, name);
PA_LLIST_PREPEND(pa_alsa_jack, ucm->jacks, j);
finish:
pa_xfree(name);
return j;
}