Le lun 30/09/2002 � 19:42, Mark Vojkovich a �crit :
> On Mon, 30 Sep 2002, Thomas Winischhofer wrote:
>
> >
> > The goal is: A quick hack in order to do a simple task which I am asked
> > for almost every day:
> >
> > The hardware I am developing for has two CRT controllers (actually it's
> > the sis driver for XFree86). One of these CRT controllers is able to
> > control LCD panels and TV encoders, but only one of these two at the
> > same time. The choice between LCD and TV (if both are detected at server
> > start-up) is currently done with an Option in XF86Config-4, but this
> > makes it impossible to change the setting during run-time (which is what
> > users really ask for). (The special key on laptops which should provide
> > this does not work under Linux - don't ask why; even if it did it is not
> > satisfactory as I have no control over what the BIOS does to my
> > registers. However, involving the BIOS is definitely not desired.)
>
> Those key presses often never get passed the BIOS. They
> won't even get to the X-server. That's the way they work on the
> recent laptops that I've had experience with. No software outside
> of the BIOS knows about it.
I think ACPI (in newer linux kernels) may intercept them.
Xav
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