Set up polling task with subscriptions in Sonos (#54355)

homeassistant/components/sonos/speaker.py

@@ -323,6 +323,18 @@ class SonosSpeaker:
     async def async_subscribe(self) -> bool:
         """Initiate event subscriptions."""
         _LOGGER.debug("Creating subscriptions for %s", self.zone_name)
+
+        # Create a polling task in case subscriptions fail or callback events do not arrive
+        if not self._poll_timer:
+            self._poll_timer = self.hass.helpers.event.async_track_time_interval(
+                partial(
+                    async_dispatcher_send,
+                    self.hass,
+                    f"{SONOS_POLL_UPDATE}-{self.soco.uid}",
+                ),
+                SCAN_INTERVAL,
+            )
+
         try:
             await self.hass.async_add_executor_job(self.set_basic_info)
 
@@ -337,10 +349,10 @@ class SonosSpeaker:
                 for service in SUBSCRIPTION_SERVICES
             ]
             await asyncio.gather(*subscriptions)
-            return True
         except SoCoException as ex:
             _LOGGER.warning("Could not connect %s: %s", self.zone_name, ex)
             return False
+        return True
 
     async def _subscribe(
         self, target: SubscriptionBase, sub_callback: Callable
@@ -497,15 +509,6 @@ class SonosSpeaker:
             self.soco.ip_address,
         )
 
-        self._poll_timer = self.hass.helpers.event.async_track_time_interval(
-            partial(
-                async_dispatcher_send,
-                self.hass,
-                f"{SONOS_POLL_UPDATE}-{self.soco.uid}",
-            ),
-            SCAN_INTERVAL,
-        )
-
         if self._is_ready and not self.subscriptions_failed:
             done = await self.async_subscribe()
             if not done:
@@ -567,15 +570,6 @@ class SonosSpeaker:
         self._seen_timer = self.hass.helpers.event.async_call_later(
             SEEN_EXPIRE_TIME.total_seconds(), self.async_unseen
         )
-        if not self._poll_timer:
-            self._poll_timer = self.hass.helpers.event.async_track_time_interval(
-                partial(
-                    async_dispatcher_send,
-                    self.hass,
-                    f"{SONOS_POLL_UPDATE}-{self.soco.uid}",
-                ),
-                SCAN_INTERVAL,
-            )
         self.async_write_entity_states()
 
     #