ACPI: video: call ACPI notifier chain for ACPI video notifications

Call notifier chain for display/brightness switch events.
The kernel mode graphics driver is interested in this.

Sign-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index d4b4b52facba..74ff0faeab57 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1765,6 +1765,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
                 break;
         }
 
+        acpi_notifier_call_chain(device, event, 0);
         input_report_key(input, keycode, 1);
         input_sync(input);
         input_report_key(input, keycode, 0);
@@ -1826,6 +1827,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
                 break;
         }
 
+        acpi_notifier_call_chain(device, event, 0);
         input_report_key(input, keycode, 1);
         input_sync(input);
         input_report_key(input, keycode, 0);