[Intel-gfx] Legacy backlight control with KMS and BACKLIGHT property

[Mike Lothian]

2009/8/19 Matthew Garrett <mjg59 at srcf.ucam.org>:
> On Wed, Aug 19, 2009 at 01:25:57AM +0100, Mike Lothian wrote:
>
>> It might be because I do have acpi video (with or without the patch)
>> it just doesn't do anything when I change the values
>
> This is on a Samsung? Could you install the pmtools (not pm-utils)
> package and run acpidump as root, then send me the output? If you have
> an acpi video device that's not working, then that's a bug that needs
> fixing.
>
> --
> Matthew Garrett | mjg59 at srcf.ucam.org
>

I've already got several bugs open about this laptop on the kernel
bugzilla. There is also a problem running any 64bit OS. I have to run
linux with mem=4g to stop it from crashing when unplugging it or
plugging it into the A/C

I've attached the info you wanted

Cheers

Mike
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