[Intel-gfx] Colour correction.

[Peter Clifton]

On Sun, 2009-05-24 at 06:29 -0300, Alexandre Moreira wrote:
> Hello, everyone.
> 
> I have to say I'm not at all sure if this is the right place to ask
> this. And I hope you forgive me if it's not. I tried to find another
> place for this kind of support for the past two weeks, already,
> without success. Asking to you is more of a last resort.
> 
> My question is: Is it possible to have colour correction on
> xf86-video-intel, version 2.7.1, in the same ways that the driver for
> this graphics card offers on it's MS Windows version? I'm in desperate
> need to setting the brightness and contrast to a lower range than that
> allowed to the /proc/acpi/video/GFX0/DD03/brightness, since the lowest
> value there is still rendering my notebook nearly useless on Linux. I
> suffer from severe photophobia and I can hardly bear to look at the
> screen with white parts for more than a few minutes.
> 
> On the windows boot of this machine, I managed to lower the brightness
> and contrast so it's again comfortable to use, but I've been trying
> without success for a long time to find such an option on the Linux
> driver.
> 
> Is there some sort of utility similar to nvidia-settings to this card on Linux?
> 
> Again, I apologize if this is not the correct place to ask, but being
> forced to use Windows again after 12 years of Linux is not funny at
> all, and you guys were my last hope of getting an answer.

My personal suggestion for an immediate workaround would be to look at
the accessibility settings / plugins in the compiz window manager. You
can adjust various video output settings for windows on the system.

Best regards,

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)