Prefer using xy over hs when supported by light (#52883)

homeassistant/components/deconz/light.py

@@ -26,6 +26,7 @@ from homeassistant.components.light import (
 )
 from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
+from homeassistant.util.color import color_hs_to_xy
 
 from .const import (
     COVER_TYPES,
@@ -189,6 +190,9 @@ class DeconzBaseLight(DeconzDevice, LightEntity):
             data["ct"] = kwargs[ATTR_COLOR_TEMP]
 
         if ATTR_HS_COLOR in kwargs:
+            if COLOR_MODE_XY in self._attr_supported_color_modes:
+                data["xy"] = color_hs_to_xy(*kwargs[ATTR_HS_COLOR])
+            else:
                 data["hue"] = int(kwargs[ATTR_HS_COLOR][0] / 360 * 65535)
                 data["sat"] = int(kwargs[ATTR_HS_COLOR][1] / 100 * 255)
 

tests/components/deconz/test_light.py

@@ -371,6 +371,34 @@ async def test_light_state_change(hass, aioclient_mock, mock_deconz_websocket):
 @pytest.mark.parametrize(
     "input,expected",
     [
+        (  # Turn on light with hue and sat
+            {
+                "light_on": True,
+                "service": SERVICE_TURN_ON,
+                "call": {
+                    ATTR_ENTITY_ID: "light.hue_go",
+                    ATTR_HS_COLOR: (20, 30),
+                },
+            },
+            {
+                "on": True,
+                "xy": (0.411, 0.351),
+            },
+        ),
+        (  # Turn on light with XY color
+            {
+                "light_on": True,
+                "service": SERVICE_TURN_ON,
+                "call": {
+                    ATTR_ENTITY_ID: "light.hue_go",
+                    ATTR_XY_COLOR: (0.411, 0.351),
+                },
+            },
+            {
+                "on": True,
+                "xy": (0.411, 0.351),
+            },
+        ),
         (  # Turn on light with short color loop
             {
                 "light_on": False,
@@ -811,9 +839,8 @@ async def test_groups(hass, aioclient_mock, input, expected):
                 },
             },
             {
-                "hue": 45510,
                 "on": True,
-                "sat": 127,
+                "xy": (0.235, 0.164),
             },
         ),
         (  # Turn on group with short color loop
@@ -827,9 +854,8 @@ async def test_groups(hass, aioclient_mock, input, expected):
                 },
             },
             {
-                "hue": 45510,
                 "on": True,
-                "sat": 127,
+                "xy": (0.235, 0.164),
             },
         ),
     ],