Additional Wink lock features (#7445)

* Additional Wink lock features

homeassistant/components/light/wink.py

@@ -4,6 +4,7 @@ Support for Wink lights.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/light.wink/
 """
+import asyncio
 import colorsys
 
 from homeassistant.components.light import (
@@ -38,6 +39,11 @@ class WinkLight(WinkDevice, Light):
         """Initialize the Wink device."""
         super().__init__(wink, hass)
 
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Callback when entity is added to hass."""
+        self.hass.data[DOMAIN]['entities']['light'].append(self)
+
     @property
     def is_on(self):
         """Return true if light is on."""