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alsa-ucm: get the mixer names from ucm, don't guess

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-06 21:32:21 +01:00 • committed by Arun Raghavan
parent ddd0fdb997
commit e438382a51
3 changed files with 97 additions and 26 deletions
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96
src/modules/alsa/alsa-ucm.c
View file

@ -289,6 +289,31 @@ static pa_alsa_ucm_volume *ucm_get_mixer_volume(
return vol;
}
/* Get the ALSA mixer device for the UCM device */
static const char *get_mixer_device(pa_alsa_ucm_device *dev, bool is_sink)
{
const char *dev_name;
if (is_sink) {
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_PLAYBACK_MIXER_DEVICE);
if (!dev_name)
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_PLAYBACK_CTL_DEVICE);
} else {
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_CAPTURE_MIXER_DEVICE);
if (!dev_name)
dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_CAPTURE_CTL_DEVICE);
}
return dev_name;
}
/* Get the ALSA mixer device for the UCM jack */
static const char *get_jack_mixer_device(pa_alsa_ucm_device *dev, bool is_sink) {
const char *dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_JACK_DEVICE);
if (!dev_name)
return get_mixer_device(dev, is_sink);
return dev_name;
}
/* Create a property list for this ucm device */
static int ucm_get_device_property(
pa_alsa_ucm_device *device,
@ -795,22 +820,41 @@ static int pa_alsa_ucm_device_cmp(const void *a, const void *b) {
return strcmp(pa_proplist_gets(d1->proplist, PA_ALSA_PROP_UCM_NAME), pa_proplist_gets(d2->proplist, PA_ALSA_PROP_UCM_NAME));
}
static void probe_volumes(pa_hashmap *hash, snd_pcm_t *pcm_handle, bool ignore_dB) {
static void probe_volumes(pa_hashmap *hash, bool is_sink, snd_pcm_t *pcm_handle, bool ignore_dB) {
pa_device_port *port;
pa_alsa_path *path;
pa_alsa_ucm_port_data *data;
snd_mixer_t *mixer_handle;
const char *profile;
pa_alsa_ucm_device *dev;
snd_mixer_t *mixer_handle = NULL;
const char *profile, *mdev_opened = NULL, *mdev, *mdev2;
void *state, *state2;
if (!(mixer_handle = pa_alsa_open_mixer_for_pcm(pcm_handle, NULL))) {
pa_log_error("Failed to find a working mixer device.");
goto fail;
}
int idx;
PA_HASHMAP_FOREACH(port, hash, state) {
data = PA_DEVICE_PORT_DATA(port);
mdev = NULL;
PA_DYNARRAY_FOREACH(dev, data->devices, idx) {
mdev2 = get_mixer_device(dev, is_sink);
if (mdev && !pa_streq(mdev, mdev2)) {
pa_log_error("Two mixer device names found ('%s', '%s'), using s/w volume", mdev, mdev2);
goto fail;
}
mdev = mdev2;
}
if (!mdev_opened || !pa_streq(mdev_opened, mdev)) {
if (mixer_handle) {
snd_mixer_close(mixer_handle);
mdev_opened = NULL;
}
if (!(mixer_handle = pa_alsa_open_mixer_by_name(mdev))) {
pa_log_error("Failed to find a working mixer device (%s).", mdev);
goto fail;
}
mdev_opened = mdev;
}
PA_HASHMAP_FOREACH_KV(profile, path, data->paths, state2) {
if (pa_alsa_path_probe(path, NULL, mixer_handle, ignore_dB) < 0) {
pa_log_warn("Could not probe path: %s, using s/w volume", data->path->name);
@ -823,7 +867,8 @@ static void probe_volumes(pa_hashmap *hash, snd_pcm_t *pcm_handle, bool ignore_d
}
}
snd_mixer_close(mixer_handle);
if (mixer_handle)
snd_mixer_close(mixer_handle);
return;
@ -1149,7 +1194,7 @@ void pa_alsa_ucm_add_ports(
pa_alsa_ucm_add_ports_combination(*p, context, is_sink, card->ports, NULL, card->core);
/* now set up volume paths if any */
probe_volumes(*p, pcm_handle, ignore_dB);
probe_volumes(*p, is_sink, pcm_handle, ignore_dB);
/* then set property PA_PROP_DEVICE_INTENDED_ROLES */
merged_roles = pa_xstrdup(pa_proplist_gets(proplist, PA_PROP_DEVICE_INTENDED_ROLES));
@ -1716,28 +1761,43 @@ static void profile_finalize_probing(pa_alsa_profile *p) {
}
static void ucm_mapping_jack_probe(pa_alsa_mapping *m) {
snd_pcm_t *pcm_handle;
snd_mixer_t *mixer_handle;
snd_mixer_t *mixer_handle = NULL;
pa_alsa_ucm_mapping_context *context = &m->ucm_context;
pa_alsa_ucm_device *dev;
bool is_sink = m->direction == PA_ALSA_DIRECTION_OUTPUT;
const char *mdev_opened = NULL, *mdev;
uint32_t idx;
pcm_handle = m->direction == PA_ALSA_DIRECTION_OUTPUT ? m->output_pcm : m->input_pcm;
mixer_handle = pa_alsa_open_mixer_for_pcm(pcm_handle, NULL);
if (!mixer_handle)
return;
PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
bool has_control;
if (!dev->jack)
continue;
mdev = get_jack_mixer_device(dev, is_sink);
if (mdev == NULL) {
pa_log_error("Unable to determine mixer device for jack %s", dev->jack->name);
continue;
}
if (!mdev_opened || !pa_streq(mdev_opened, mdev)) {
if (mixer_handle) {
snd_mixer_close(mixer_handle);
mdev_opened = NULL;
}
mixer_handle = pa_alsa_open_mixer_by_name(mdev);
if (!mixer_handle)
continue;
mdev_opened = mdev;
}
has_control = pa_alsa_mixer_find(mixer_handle, dev->jack->alsa_name, 0) != NULL;
pa_alsa_jack_set_has_control(dev->jack, has_control);
pa_log_info("UCM jack %s has_control=%d", dev->jack->name, dev->jack->has_control);
}
snd_mixer_close(mixer_handle);
if (mixer_handle)
snd_mixer_close(mixer_handle);
}
static void ucm_probe_profile_set(pa_alsa_ucm_config *ucm, pa_alsa_profile_set *ps) {