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alsa-mixer: Handle the index for ALSA mixer jack identifiers

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Some systems have two jacks with same name but different index, we need
to take index into consideration to use both jacks.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/272>
This commit is contained in:
Kai-Heng Feng 2020-12-22 13:39:05 +08:00 • committed by Arun Raghavan
parent 0f89157261
commit 8903d2ccc0
6 changed files with 73 additions and 58 deletions
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6
src/modules/alsa/module-alsa-card.c
View file

@ -621,6 +621,7 @@ static void init_jacks(struct userdata *u) {
void *state;
pa_alsa_path* path;
pa_alsa_jack* jack;
char buf[64];
u->jacks = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
@ -663,9 +664,10 @@ static void init_jacks(struct userdata *u) {
}
}
pa_alsa_mixer_set_fdlist(u->mixers, jack->mixer_handle, u->core->mainloop);
jack->melem = pa_alsa_mixer_find_card(jack->mixer_handle, jack->alsa_name, 0);
jack->melem = pa_alsa_mixer_find_card(jack->mixer_handle, &jack->alsa_id, 0);
if (!jack->melem) {
pa_log_warn("Jack '%s' seems to have disappeared.", jack->alsa_name);
pa_alsa_mixer_id_to_string(buf, sizeof(buf), &jack->alsa_id);
pa_log_warn("Jack %s seems to have disappeared.", buf);
pa_alsa_jack_set_has_control(jack, false);
continue;
}