Cleanup supported_features default values (#82306)

homeassistant/components/doorbird/camera.py

@@ -96,9 +96,8 @@ class DoorBirdCamera(DoorBirdEntity, Camera):
         self._stream_url = stream_url
         self._attr_name = name
         self._last_image: bytes | None = None
-        self._attr_supported_features = (
-            CameraEntityFeature.STREAM if self._stream_url else 0
-        )
+        if self._stream_url:
+            self._attr_supported_features = CameraEntityFeature.STREAM
         self._interval = interval
         self._last_update = datetime.datetime.min
         self._attr_unique_id = f"{self._mac_addr}_{camera_id}"

homeassistant/components/evohome/climate.py

@@ -321,9 +321,8 @@ class EvoController(EvoClimateEntity):
         self._attr_preset_modes = [
             TCS_PRESET_TO_HA[m] for m in modes if m in list(TCS_PRESET_TO_HA)
         ]
-        self._attr_supported_features = (
-            ClimateEntityFeature.PRESET_MODE if self._attr_preset_modes else 0
-        )
+        if self._attr_preset_modes:
+            self._attr_supported_features = ClimateEntityFeature.PRESET_MODE
 
     async def async_tcs_svc_request(self, service: str, data: dict[str, Any]) -> None:
         """Process a service request (system mode) for a controller.

homeassistant/components/generic/camera.py

@@ -165,9 +165,8 @@ class GenericCamera(Camera):
             self._stream_source.hass = hass
         self._limit_refetch = device_info[CONF_LIMIT_REFETCH_TO_URL_CHANGE]
         self._attr_frame_interval = 1 / device_info[CONF_FRAMERATE]
-        self._attr_supported_features = (
-            CameraEntityFeature.STREAM if self._stream_source else 0
-        )
+        if self._stream_source:
+            self._attr_supported_features = CameraEntityFeature.STREAM
         self.content_type = device_info[CONF_CONTENT_TYPE]
         self.verify_ssl = device_info[CONF_VERIFY_SSL]
         if device_info.get(CONF_RTSP_TRANSPORT):