sony-vaio-z-series team mailing list archive

[Jordi Augé <jordi@xxxxxxxx>]

I'm not so sure about this point.

I have a Z11 with a hacked bios and static switching, so the OS only sees one card at any given time.

I am able to change the screen brightness in Windows, even though only the Nvidia card is visible in the device administrator, and only the Nvidia driver is loaded.

If the intel card were required for brightness setting, then I shouldn't be able to change it under Windows, unless the Intel card was active.



----- Missatge Original -----
De: "Simon Brown" <lists@xxxxxxxx>
A: "Peter Rhone" <prhone@xxxxxxxxx>
Cc: sony-vaio-z-series@xxxxxxxxxxxxxxxxxxx
Enviat: Dimarts, 5 de Juny 5el 2012 14:53:11
Assumpte: Re: [Sony-vaio-z-series] Backlight with NVidia driver on Vaio Z11

Hi Peter,

At Tue, 05 Jun 2012 11:50:43 +0200,
Peter Rhone wrote:
> I've been searching the last few hours in an attempt to find a solution 
> to the final stumbling block in setting up my "new" (used) vaio Z11.   
> In stamina mode I can adjust the screen backlight, but in speed mode 
> with the nvidia driver, still no success.
> 
> 1. nvclock and smartdimmer both segfault 
> http://us.generation-nt.com/answer/bug-671135-nvclock-segfaults-action-help-207391641.html
> 
> 2. nvidiabl does nothing
> 
> 3. sony-acpid fixed the keyboard backlight sensor issue, but doesn't 
> adjust the backlight
> 
> 4. haven't tried modifying grub or xorg.conf, but judging form the info 
> I found, it hasn't worked for anyone else yet...
> 
> Has anyone gotten this working?

I believe it's a feature rather than a bug. The backlight is
controlled by the integrated graphics, so the Nvidia tools won't
work. Both cards would have to be active in this situation. Perhaps
bumblebee might work?  

http://bumblebee-project.org/

Simon

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