Lutron. Bugfix callback registration. (#7042)

* Lutron. Bugfix callback registration.

* Change handling to event

homeassistant/components/light/lutron.py

@@ -14,12 +14,9 @@ _LOGGER = logging.getLogger(__name__)
 # pylint: disable=unused-argument
 def setup_platform(hass, config, add_devices, discovery_info=None):
     """Setup Lutron lights."""
-    area_devs = {}
     devs = []
     for (area_name, device) in hass.data[LUTRON_DEVICES]['light']:
-        dev = LutronLight(hass, area_name, device,
-                          hass.data[LUTRON_CONTROLLER])
-        area_devs.setdefault(area_name, []).append(dev)
+        dev = LutronLight(area_name, device, hass.data[LUTRON_CONTROLLER])
         devs.append(dev)
 
     add_devices(devs, True)
@@ -39,10 +36,10 @@ def to_hass_level(level):
 class LutronLight(LutronDevice, Light):
     """Representation of a Lutron Light, including dimmable."""
 
-    def __init__(self, hass, area_name, lutron_device, controller):
+    def __init__(self, area_name, lutron_device, controller):
         """Initialize the light."""
         self._prev_brightness = None
-        LutronDevice.__init__(self, hass, area_name, lutron_device, controller)
+        LutronDevice.__init__(self, area_name, lutron_device, controller)
 
     @property
     def supported_features(self):

homeassistant/components/lutron.py

@@ -4,6 +4,7 @@ Component for interacting with a Lutron RadioRA 2 system.
 For more details about this component, please refer to the documentation at
 https://home-assistant.io/components/lutron/
 """
+import asyncio
 import logging
 
 from homeassistant.helpers import discovery
@@ -50,16 +51,19 @@ def setup(hass, base_config):
 class LutronDevice(Entity):
     """Representation of a Lutron device entity."""
 
-    def __init__(self, hass, area_name, lutron_device, controller):
+    def __init__(self, area_name, lutron_device, controller):
         """Initialize the device."""
         self._lutron_device = lutron_device
         self._controller = controller
         self._area_name = area_name
 
-        self.hass = hass
-        self.object_id = '{} {}'.format(area_name, lutron_device.name)
-
-        self._controller.subscribe(self._lutron_device, self._update_callback)
+    @asyncio.coroutine
+    def async_add_to_hass(self):
+        """Register callbacks."""
+        self.hass.async_add_job(
+            self._controller.subscribe, self._lutron_device,
+            self._update_callback
+        )
 
     def _update_callback(self, _device):
         """Callback invoked by pylutron when the device state changes."""
@@ -68,7 +72,7 @@ class LutronDevice(Entity):
     @property
     def name(self):
         """Return the name of the device."""
-        return self._lutron_device.name
+        return "{} {}".format(self._area_name, self._lutron_device.name)
 
     @property
     def should_poll(self):