Commit 36342742 authored by Matthew Garrett's avatar Matthew Garrett Committed by Richard Purdie
Browse files

backlight/acpi: Update the backlight state when we change brightness 



Trigger a status update when we change the brightness in the driver, thus
allowing userspace to present appropriate UI.

Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
Signed-off-by: default avatarRichard Purdie <rpurdie@linux.intel.com>
parent 325253a6

drivers/acpi/video.c

+4 −0
Original line number Diff line number Diff line
@@ -1960,6 +1960,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event) 


	result = acpi_video_device_lcd_set_level(device, level_next);



	if (!result)

		backlight_force_update(device->backlight,

				       BACKLIGHT_UPDATE_HOTKEY);



out:

	if (result)

		printk(KERN_ERR PREFIX "Failed to switch the brightness\n");