1 files changed, 29 insertions, 27 deletions

diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 53c14b80..f861904f 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -1281,15 +1281,17 @@ static void sink_write_volume_cb(pa_sink *s) {
             (pa_cvolume_max(&tmp_vol) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
 
         if (!accurate_enough) {
-            char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
-            char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
+            union {
+                char db[2][PA_SW_CVOLUME_SNPRINT_DB_MAX];
+                char pcnt[2][PA_CVOLUME_SNPRINT_MAX];
+            } vol;
 
             pa_log_debug("Written HW volume did not match with the request: %s (request) != %s",
-                         pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &s->thread_info.current_hw_volume),
-                         pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &hw_vol));
+                         pa_cvolume_snprint(vol.pcnt[0], sizeof(vol.pcnt[0]), &s->thread_info.current_hw_volume),
+                         pa_cvolume_snprint(vol.pcnt[1], sizeof(vol.pcnt[1]), &hw_vol));
             pa_log_debug("                                           in dB: %s (request) != %s",
-                         pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &s->thread_info.current_hw_volume),
-                         pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &hw_vol));
+                         pa_sw_cvolume_snprint_dB(vol.db[0], sizeof(vol.db[0]), &s->thread_info.current_hw_volume),
+                         pa_sw_cvolume_snprint_dB(vol.db[1], sizeof(vol.db[1]), &hw_vol));
         }
     }
 }
@@ -1670,8 +1672,6 @@ fail:
 }
 
 static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_volume) {
-    int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
-
     pa_assert(u);
 
     if (!u->mixer_handle)
@@ -1760,29 +1760,31 @@ static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_v
         pa_log_info("Using hardware mute control.");
     }
 
-    if (sync_volume) {
-        u->mixer_pd = pa_alsa_mixer_pdata_new();
-        mixer_callback = io_mixer_callback;
-
-        if (pa_alsa_set_mixer_rtpoll(u->mixer_pd, u->mixer_handle, u->rtpoll) < 0) {
-            pa_log("Failed to initialize file descriptor monitoring");
-            return -1;
-        }
+    if (u->sink->flags & (PA_SINK_HW_VOLUME_CTRL|PA_SINK_HW_MUTE_CTRL)) {
+        int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
+        if (u->sink->flags & PA_SINK_SYNC_VOLUME) {
+            u->mixer_pd = pa_alsa_mixer_pdata_new();
+            mixer_callback = io_mixer_callback;
 
-    } else {
-        u->mixer_fdl = pa_alsa_fdlist_new();
-        mixer_callback = ctl_mixer_callback;
+            if (pa_alsa_set_mixer_rtpoll(u->mixer_pd, u->mixer_handle, u->rtpoll) < 0) {
+                pa_log("Failed to initialize file descriptor monitoring");
+                return -1;
+            }
+        } else {
+            u->mixer_fdl = pa_alsa_fdlist_new();
+            mixer_callback = ctl_mixer_callback;
 
-        if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) {
-            pa_log("Failed to initialize file descriptor monitoring");
-            return -1;
+            if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) {
+                pa_log("Failed to initialize file descriptor monitoring");
+                return -1;
+            }
         }
-    }
 
-    if (u->mixer_path_set)
-        pa_alsa_path_set_set_callback(u->mixer_path_set, u->mixer_handle, mixer_callback, u);
-    else
-        pa_alsa_path_set_callback(u->mixer_path, u->mixer_handle, mixer_callback, u);
+        if (u->mixer_path_set)
+            pa_alsa_path_set_set_callback(u->mixer_path_set, u->mixer_handle, mixer_callback, u);
+        else
+            pa_alsa_path_set_callback(u->mixer_path, u->mixer_handle, mixer_callback, u);
+    }
 
     return 0;
 }