1 files changed, 7 insertions, 0 deletions
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 2e54dbe7..80fdcaa2 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -1616,6 +1616,13 @@ static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
             return 0;
     }
 
+    /* FIXME: need automatic detection rather than hard-coded path */
+    if (!strcmp(u->mixer_path->name, "iec958-passthrough-output")) {
+        u->sink->flags |= PA_SINK_PASSTHROUGH;
+    } else {
+        u->sink->flags &= ~PA_SINK_PASSTHROUGH;
+    }
+
     if (!u->mixer_path->has_volume)
         pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
     else {