Hello,

13.03.2018 20:40, Tanu Kaskinen пишет:
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
...
+/* Called from the IO thread. */
+static int sink_set_state_in_io_thread_cb(pa_sink *s, pa_sink_state_t 
new_state) {
...
+    switch (new_state) {
+
+        case PA_SINK_SUSPENDED: {
+            pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
...
diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
...
+/* Called from the IO thread. */
+static int source_set_state_in_io_thread_cb(pa_source *s, pa_source_state_t 
new_state) {
...
+    switch (new_state) {
+
+        case PA_SOURCE_SUSPENDED: {
+            pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state));
...
diff --git a/src/modules/bluetooth/module-bluez4-device.c 
b/src/modules/bluetooth/module-bluez4-device.c
...
+        case PA_SINK_SUSPENDED:
+            /* Ignore if transition is PA_SINK_INIT->PA_SINK_SUSPENDED */
+            if (!PA_SINK_IS_OPENED(u->sink->thread_info.state))
+                break;
...
+        case PA_SOURCE_SUSPENDED:
+            /* Ignore if transition is PA_SOURCE_INIT->PA_SOURCE_SUSPENDED */
+            if (!PA_SOURCE_IS_OPENED(u->source->thread_info.state))
+                break;

I know this is only code movement from SET_STATE handler to callbacks.
But looking in alsa sink/source these transitions are impossible:
PA_SINK_INIT->PA_SINK_SUSPENDED
PA_SOURCE_INIT->PA_SOURCE_SUSPENDED

--
Raman
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