Use ColorMode enum in greenwave (#70499)

homeassistant/components/greenwave/light.py

@@ -10,8 +10,8 @@ import voluptuous as vol
 
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
-    COLOR_MODE_BRIGHTNESS,
     PLATFORM_SCHEMA,
+    ColorMode,
     LightEntity,
 )
 from homeassistant.const import CONF_HOST
@@ -65,8 +65,8 @@ def setup_platform(
 class GreenwaveLight(LightEntity):
     """Representation of an Greenwave Reality Light."""
 
-    _attr_color_mode = COLOR_MODE_BRIGHTNESS
-    _attr_supported_color_modes = {COLOR_MODE_BRIGHTNESS}
+    _attr_color_mode = ColorMode.BRIGHTNESS
+    _attr_supported_color_modes = {ColorMode.BRIGHTNESS}
 
     def __init__(self, light, host, token, gatewaydata):
         """Initialize a Greenwave Reality Light."""