PS4 Merge async_setup_platform into async_setup_entry (#25689)

* Merge async_setup_platform into async_setup_entry

* Pass async_setup_platform

* blank line

* add test setup platform

* white space

homeassistant/components/ps4/media_player.py

@@ -58,11 +58,6 @@ DEFAULT_RETRIES = 2
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up PS4 from a config entry."""
     config = config_entry
-    await async_setup_platform(hass, config, async_add_entities, discovery_info=None)
-
-
-async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
-    """Set up PS4 Platform."""
     creds = config.data[CONF_TOKEN]
     device_list = []
     for device in config.data["devices"]:
@@ -74,6 +69,11 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     async_add_entities(device_list, update_before_add=True)
 
 
+async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+    """Not Implemented."""
+    pass
+
+
 class PS4Device(MediaPlayerDevice):
     """Representation of a PS4."""
 

tests/components/ps4/test_media_player.py

@@ -169,6 +169,11 @@ async def mock_ddp_response(hass, mock_status_data, games=None):
         await hass.async_block_till_done()
 
 
+async def test_async_setup_platform_does_nothing():
+    """Test setup platform does nothing (Uses config entries only)."""
+    await ps4.media_player.async_setup_platform(None, None, None)
+
+
 async def test_media_player_is_setup_correctly_with_entry(hass):
     """Test entity is setup correctly with entry correctly."""
     mock_entity_id = await setup_mock_component(hass)