[ltp] Can bot use Fn+F7 to switch LCD/CRT on Thinkpad X60s

[Alex Deucher]

On 12/5/06, Richard Neill <rn214@hermes.cam.ac.uk> wrote:
>
>
> gulfstream wrote:
> > I want to switch lcd/crt in X window and tty, but xorg.conf is useful to
> > xorg. How to do if I want to switch lcd/crt in tty?
>
> You still need something like:
>
> Section "Device"
>     ...
>     Option "BiosHotKeys" "on"      #Enable Fn-F7 for switching between
> CRT,LCD,Both.
> EndSection
>


This option only applies to the radeon driver.

Alex

>
> Some of the video drivers don't pay attention to Fn-F7 by default.
> Besides which, even if you are currently looking at a tty, you are still
> using the xorg video driver [unless you use the vesa or framebuffer driver].
>
> Root cause of problem: xorg isn't just a GUI, it also overlaps with the
> kernel, and contains hardware drivers. Notably, the video drivers are
> (mainly) in X, not the kernel.
>
>
> Richard
>
>
> >
> >
> > gulfstream
> >
> > 2006/12/5, Richard Neill < rn214@hermes.cam.ac.uk
> > <mailto:rn214@hermes.cam.ac.uk>>:
> >
> >       gulfstream wrote:
> >      > I have use ibm_acpi module in my kernel( 2.6.18), and I can use
> >     Fn+F4 to
> >      > suspend to RAM and Fn+F12 to suspend to disk. But the system do not
> >      > respond to Fn+F7, so I can not switch the LCD and external CRT.
> >      > Moreover, when I run "echo video_switch > /proc/acpi/ibm/video"
> >     in the
> >      > terminal, no any respond. How to solve this matter?
> >      >
> >      > My laptop is Thinkpad X60s with Intel 945GM graphics chipsets. The
> >      > system is Debian etch with tpb installed.
> >      >
> >
> >
> >     At least on some machines, it's necessary to enable a flag in xorg.conf,
> >     iirc: EnableBiosHotKeys.  Read  man `your-Xorg-driver`.
> >
> >     HTH,
> >
> >     Richard
> >     --
> >     The linux-thinkpad mailing list home page is at:
> >     http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >
> >
> --
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>