sfos: bluez5: Don't create sinks or sources with droid backend.

When running in droid setup we don't create sinks or sources,
as the reading and writing to headset is done through
droid.sink and droid.source with sco ports enabled.

Signed-off-by: Juho Hämäläinen <juho.hamalainen@jolla.com>

src/modules/bluetooth/module-bluez5-device.c

@@ -1325,6 +1325,16 @@ static int init_profile(struct userdata *u) {
 
     pa_assert(u->transport);
 
+    /* droid headset profiles don't have sink or source,
+     * as the reading and writing to headset is done through
+     * droid.sink and droid.source with sco ports enabled.
+     * this module is used only for setting up the transport.
+     */
+    if (u->profile != PA_BLUETOOTH_PROFILE_A2DP_SINK &&
+        u->profile != PA_BLUETOOTH_PROFILE_A2DP_SOURCE &&
+        pa_bluetooth_droid_backend(u->discovery))
+        return r;
+
     if (get_profile_direction (u->profile) & PA_DIRECTION_OUTPUT)
         if (add_sink(u) < 0)
             r = -1;
@@ -2065,7 +2075,17 @@ static int add_card(struct userdata *u) {
 
     u->card->userdata = u;
     u->card->set_profile = set_profile_cb;
-    pa_card_choose_initial_profile(u->card);
+    /* SFOS specific change:
+     * Instead of calling now
+     * pa_card_choose_initial_profile(u->card);
+     * we just set active profile to Off.
+     * When policy framework sees this new card
+     * it will then choose proper profile based
+     * on current system state.
+     */
+    u->card->active_profile = cp; /* off */
+    u->card->save_profile = false;
+    pa_hook_fire(&u->card->core->hooks[PA_CORE_HOOK_CARD_CHOOSE_INITIAL_PROFILE], u->card);
     pa_card_put(u->card);
 
     p = PA_CARD_PROFILE_DATA(u->card->active_profile);
@@ -2191,6 +2211,9 @@ static pa_hook_result_t transport_speaker_gain_changed_cb(pa_bluetooth_discovery
     if (t != u->transport)
       return PA_HOOK_OK;
 
+    if (pa_bluetooth_droid_backend(y))
+        return PA_HOOK_OK;
+
     gain = t->speaker_gain;
     volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN);
 
@@ -2218,6 +2241,9 @@ static pa_hook_result_t transport_microphone_gain_changed_cb(pa_bluetooth_discov
     if (t != u->transport)
       return PA_HOOK_OK;
 
+    if (pa_bluetooth_droid_backend(y))
+        return PA_HOOK_OK;
+
     gain = t->microphone_gain;
     volume = (pa_volume_t) (gain * PA_VOLUME_NORM / HSP_MAX_GAIN);