alsa: include the alsa mixer control that is used in the property list

diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 99172a6..3e5c219 100644 (file)
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -1674,7 +1674,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
     pa_sink_new_data_set_sample_spec(&data, &ss);
     pa_sink_new_data_set_channel_map(&data, &map);
 
-    pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle);
+    pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle, u->mixer_elem);
     pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
     pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (period_frames * frame_size * nfrags));
     pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (period_frames * frame_size));

diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
index f06c0a7..c59fc75 100644 (file)
--- a/src/modules/alsa/alsa-source.c
+++ b/src/modules/alsa/alsa-source.c
@@ -1529,7 +1529,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
     pa_source_new_data_set_sample_spec(&data, &ss);
     pa_source_new_data_set_channel_map(&data, &map);
 
-    pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle);
+    pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle, u->mixer_elem);
     pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
     pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (period_frames * frame_size * nfrags));
     pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (period_frames * frame_size));

diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c
index 2a8694b..d2dc6e8 100644 (file)
--- a/src/modules/alsa/alsa-util.c
+++ b/src/modules/alsa/alsa-util.c
@@ -1515,7 +1515,7 @@ void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *
         pa_alsa_init_proplist_card(c, p, card);
 }
 
-void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm) {
+void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm, snd_mixer_elem_t *elem) {
     snd_pcm_hw_params_t *hwparams;
     snd_pcm_info_t *info;
     int bits, err;
@@ -1531,6 +1531,9 @@ void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm) {
             pa_proplist_setf(p, "alsa.resolution_bits", "%i", bits);
     }
 
+    if (elem)
+        pa_proplist_sets(p, "alsa.mixer_element", snd_mixer_selem_get_name(elem));
+
     if ((err = snd_pcm_info(pcm, info)) < 0)
         pa_log_warn("Error fetching PCM info: %s", snd_strerror(err));
     else

diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h
index e7b2de8..c8acc7c 100644 (file)
--- a/src/modules/alsa/alsa-util.h
+++ b/src/modules/alsa/alsa-util.h
@@ -125,7 +125,7 @@ void pa_alsa_redirect_errors_dec(void);
 
 void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info);
 void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card);
-void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm);
+void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm, snd_mixer_elem_t *elem);
 pa_bool_t pa_alsa_init_description(pa_proplist *p);
 
 int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents);