https://bugzilla.kernel.org/show_bug.cgi?id=43741

Zhang Rui rui.zhang@intel.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |rui.zhang@intel.com Component|Power-Video |Video(DRI - non Intel) AssignedTo|acpi_power-video@kernel-bug |drivers_video-dri@kernel-bu |s.osdl.org |gs.osdl.org Product|ACPI |Drivers

--- Comment #4 from Zhang Rui rui.zhang@intel.com 2012-11-13 07:36:26 --- there is no ACPI Backlight control on your laptop. so sorry I can not help you on this.

re-assign to the graphics expert.