From 2d9eb251427e237f0d4dcc939a0b0d0a826a978e Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Sat, 9 Jan 2021 01:10:47 +0100
Subject: [PATCH] Fix parameters when toggling light (#44950)

---
 homeassistant/components/light/__init__.py |  2 +-
 tests/components/light/test_init.py        | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/light/__init__.py b/homeassistant/components/light/__init__.py
index fdef5e61a76..f406366dc86 100644
--- a/homeassistant/components/light/__init__.py
+++ b/homeassistant/components/light/__init__.py
@@ -232,7 +232,7 @@ async def async_setup(hass, config):
     async def async_handle_toggle_service(light, call):
         """Handle toggling a light."""
         if light.is_on:
-            off_params = filter_turn_off_params(call.data)
+            off_params = filter_turn_off_params(call.data["params"])
             await light.async_turn_off(**off_params)
         else:
             await async_handle_light_on_service(light, call)
diff --git a/tests/components/light/test_init.py b/tests/components/light/test_init.py
index afc125e6423..72674a984fd 100644
--- a/tests/components/light/test_init.py
+++ b/tests/components/light/test_init.py
@@ -336,6 +336,21 @@ async def test_services(hass, mock_light_profiles):
         light.ATTR_TRANSITION: prof_t,
     }
 
+    await hass.services.async_call(
+        light.DOMAIN,
+        SERVICE_TOGGLE,
+        {
+            ATTR_ENTITY_ID: ent3.entity_id,
+            light.ATTR_TRANSITION: 4,
+        },
+        blocking=True,
+    )
+
+    _, data = ent3.last_call("turn_off")
+    assert data == {
+        light.ATTR_TRANSITION: 4,
+    }
+
     # Test bad data
     await hass.services.async_call(
         light.DOMAIN, SERVICE_TURN_ON, {ATTR_ENTITY_ID: ENTITY_MATCH_ALL}, blocking=True