text: """Support for Lutron Caseta lights."""
  import logging
  
  from homeassistant.components.light import (
      ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light, DOMAIN)
  from homeassistant.components.lutron.light import (
      to_hass_level, to_lutron_level)
  from homeassistant.components.lutron_caseta import (
      LUTRON_CASETA_SMARTBRIDGE, LutronCasetaDevice)
  
  _LOGGER = logging.getLogger(__name__)
  
  DEPENDENCIES = ['lutron_caseta']
  
  
  async def async_setup_platform(
          hass, config, async_add_entities, discovery_info=None):
      """Set up the Lutron Caseta lights."""
      devs = []
      bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
      light_devices = bridge.get_devices_by_domain(DOMAIN)
      for light_device in light_devices:
          dev = LutronCasetaLight(light_device, bridge)
          devs.append(dev)
  
      async_add_entities(devs, True)
  
  
  class LutronCasetaLight(LutronCasetaDevice, Light):
      """Representation of a Lutron Light, including dimmable."""
  
      @property
      def supported_features(self):
          """Flag supported features."""
          return SUPPORT_BRIGHTNESS
  
      @property
      def brightness(self):
          """Return the brightness of the light."""
          return to_hass_level(self._state["current_state"])
  
      async def async_turn_on(self, **kwargs):
          """Turn the light on."""
          brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
          self._smartbridge.set_value(self._device_id,
                                      to_lutron_level(brightness))
  
      async def async_turn_off(self, **kwargs):
          """Turn the light off."""
          self._smartbridge.set_value(self._device_id, 0)
  
      @property
      def is_on(self):
          """Return true if device is on."""
          return self._state["current_state"] > 0
  
      async def async_update(self):
          """Call when forcing a refresh of the device."""
          self._state = self._smartbridge.get_device_by_id(self._device_id)
          _LOGGER.debug(self._state)
  