https://bugzilla.kernel.org/show_bug.cgi?id=25922


Zhang Rui <rui.zh...@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
                 CC|                            |rui.zh...@intel.com
          Component|Other                       |Power-Video
         AssignedTo|acpi_ot...@kernel-bugs.osdl |rui.zh...@intel.com
                   |.org                        |




--- Comment #3 from Zhang Rui <rui.zh...@intel.com>  2010-12-31 01:15:56 ---
please attach the acpidump output of this laptop.

(In reply to comment #0)
> After increasing/decreasing brightness by "Fn+Up/Down" it changes by some 
> value
> and after that keys are not responding (not making any change).
>
I'm not quite clear about the problem.
do you mean the hotkey works well at the beginning, but then it doesn't work
any more.
question: when the keys are not responding, do you see the value change in
/sys/class/backlight/acpi_video0/actual_brightness?
and do you see the value change when the keys are still working?

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