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path: root/drivers/acpi/video.c
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-rw-r--r--drivers/acpi/video.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 94b1a4c5abab..a4fddb24476f 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1986,6 +1986,10 @@ 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");