Fix 'Not Available' message for Onkyo integration (#38554)

homeassistant/components/onkyo/media_player.py

@@ -239,6 +239,7 @@ class OnkyoDevice(MediaPlayerEntity):
         self._source_mapping = sources
         self._reverse_mapping = {value: key for key, value in sources.items()}
         self._attributes = {}
+        self._hdmi_out_supported = True
 
     def command(self, command):
         """Run an eiscp command and catch connection errors."""
@@ -251,6 +252,7 @@ class OnkyoDevice(MediaPlayerEntity):
             else:
                 _LOGGER.info("%s is disconnected. Attempting to reconnect", self._name)
             return False
+        _LOGGER.debug("Result for %s: %s", command, result)
         return result
 
     def update(self):
@@ -268,7 +270,13 @@ class OnkyoDevice(MediaPlayerEntity):
         volume_raw = self.command("volume query")
         mute_raw = self.command("audio-muting query")
         current_source_raw = self.command("input-selector query")
+        # If the following command is sent to a device with only one HDMI out,
+        # the display shows 'Not Available'.
+        # We avoid this by checking if HDMI out is supported
+        if self._hdmi_out_supported:
             hdmi_out_raw = self.command("hdmi-output-selector query")
+        else:
+            hdmi_out_raw = []
         preset_raw = self.command("preset query")
         if not (volume_raw and mute_raw and current_source_raw):
             return
@@ -298,6 +306,8 @@ class OnkyoDevice(MediaPlayerEntity):
         if not hdmi_out_raw:
             return
         self._attributes["video_out"] = ",".join(hdmi_out_raw[1])
+        if hdmi_out_raw[1] == "N/A":
+            self._hdmi_out_supported = False
 
     @property
     def name(self):