--- drivers/acpi/video_detect.c

+++ drivers/acpi/video_detect.c

@@ -250,7 +250,7 @@ static int __init acpi_backlight(char *s

ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR;

if (!strcmp("video", str))

acpi_video_support |=

- ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO;

+ ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO;

}

return 1;

}