From 051e37eb49f4f48b4b6cf8b8a882346b6cde49d0 Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Fri, 22 Nov 2019 15:32:05 +0100
Subject: [PATCH] Fix ikea lights on deconz (#28949)

* Fix ikea lights on deconz

* check for None

* Use cleaner code style
---
 homeassistant/components/deconz/light.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/components/deconz/light.py b/homeassistant/components/deconz/light.py
index bf4b05089a8..eda2041b923 100644
--- a/homeassistant/components/deconz/light.py
+++ b/homeassistant/components/deconz/light.py
@@ -152,6 +152,8 @@ class DeconzLight(DeconzDevice, Light):
 
         if ATTR_TRANSITION in kwargs:
             data["transitiontime"] = int(kwargs[ATTR_TRANSITION] * 10)
+        elif "IKEA" in (self._device.manufacturer or ""):
+            data["transitiontime"] = 0
 
         if ATTR_FLASH in kwargs:
             if kwargs[ATTR_FLASH] == FLASH_SHORT: