Restore color_temp handling for lifx.set_state (#82067)

fixes undefined

homeassistant/components/lifx/util.py

@@ -16,6 +16,7 @@ from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_BRIGHTNESS_PCT,
     ATTR_COLOR_NAME,
+    ATTR_COLOR_TEMP,
     ATTR_COLOR_TEMP_KELVIN,
     ATTR_HS_COLOR,
     ATTR_KELVIN,
@@ -114,6 +115,12 @@ def find_hsbk(hass: HomeAssistant, **kwargs: Any) -> list[float | int | None] |
         kelvin = kwargs.pop(ATTR_KELVIN)
         saturation = 0
 
+    if ATTR_COLOR_TEMP in kwargs:
+        kelvin = color_util.color_temperature_mired_to_kelvin(
+            kwargs.pop(ATTR_COLOR_TEMP)
+        )
+        saturation = 0
+
     if ATTR_COLOR_TEMP_KELVIN in kwargs:
         kelvin = kwargs.pop(ATTR_COLOR_TEMP_KELVIN)
         saturation = 0

tests/components/lifx/test_light.py

@@ -1539,6 +1539,15 @@ async def test_lifx_set_state_kelvin(hass: HomeAssistant) -> None:
     assert bulb.set_color.calls[0][0][0] == [32000, 0, 25700, 2700]
     bulb.set_color.reset_mock()
 
+    await hass.services.async_call(
+        DOMAIN,
+        "set_state",
+        {ATTR_ENTITY_ID: entity_id, ATTR_BRIGHTNESS: 255, ATTR_COLOR_TEMP: 400},
+        blocking=True,
+    )
+    assert bulb.set_color.calls[0][0][0] == [32000, 0, 65535, 2500]
+    bulb.set_color.reset_mock()
+
 
 async def test_infrared_color_bulb(hass: HomeAssistant) -> None:
     """Test setting infrared with a color bulb."""