Re: Probably Off-topic Question...

[Thunder from the hill]

Steve Underwood wrote:
> 
> Alan Olsen wrote:
> >
> > This is probably a user-land and/or undocumented thing, but I am not
> > certain where to get the correct info.
> >
> > Does anyone know how to get the screen brightness control to work on a
> > Sony Vaio N505VE?  There seems to be some sort of proprietary hook to get
> > it to work that requires their install of Windows.  (This is a problem as
> > it was removed immediatly after purchacing the laptop.)
> 
> All the newer Vaios seem to have this problem. They rely on support from
> Windows to control the brightness, instead of doing it through the BIOS,
> like older machines. I don't know a solution. More annoyingly, they
> won't hibernate, as they rely on Windows Me or 2000 doing it for them.
> The APM hibernate in the BIOS seems to have gone. I have a Z505GAT,
> which I think is the Asian version of the model sold in the US as the
> Z505LE. I guess this will become the norm now none of the current
> versions of Windows require any hibernation support from the BIOS. The
> hibernate to swap patch for Linux really needs to get into the
> mainstream, and be more thoroughly exercised.
Couldn't it be possible to write a "hole" or such into the kernel's vaio
driver - or even a /dev file - which can be used by some program to set
screen brightness?

Cheers!
Thunder