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alsa-ucm: fix parsing for JackControl

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-03 15:13:48 +01:00 • committed by Arun Raghavan
parent 156bd77424
commit e04f14ebf3
1 changed files with 16 additions and 0 deletions
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16
src/modules/alsa/alsa-ucm.c
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@ -1534,6 +1534,22 @@ static pa_alsa_jack* ucm_get_jack(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *d
jack_control = pa_proplist_gets(device->proplist, PA_ALSA_PROP_UCM_JACK_CONTROL);
if (jack_control) {
#if SND_LIB_VERSION >= 0x10201
snd_ctl_elem_id_t *ctl;
int err, index;
snd_ctl_elem_id_alloca(&ctl);
err = snd_use_case_parse_ctl_elem_id(ctl, "JackControl", jack_control);
if (err < 0)
return NULL;
jack_control = snd_ctl_elem_id_get_name(ctl);
index = snd_ctl_elem_id_get_index(ctl);
if (index > 0) {
pa_log("[%s] Invalid JackControl index value: \"%s\",%d", device_name, jack_control, index);
return NULL;
}
#else
#warning "Upgrade to alsa-lib 1.2.1!"
#endif
if (!pa_endswith(jack_control, " Jack")) {
pa_log("[%s] Invalid JackControl value: \"%s\"", device_name, jack_control);
return NULL;