[ltp] ACPI Lid switch control

[Flyser]

> This might be a silly question with a simple answer. Sorry to bother.
>
> I have a T61 with Hardy. Everything works like charm. (very occasional
> kernel panics)

"very occasional kernel panics" does not mean "works like a charm" you should 
really investigate into these panics, maybe its even a hardware problem ...

> I use an external monitor connected to the VGA output. And I turn the
> laptop monitor off using the xrandr command. My screensaver kicks in
> after 5 mins and the screen(s) turn off after 15 mins. So far so good.
>
> Now if I close the laptop lid both screens will turn off. I would like
> the external to stay on and close the laptop lid to avoid the dust and
> stuff.
> I went to System->Preferences->Power Management->On AC Power->Actions
> and set the"When laptop lid is closed" option to "Do nothing".
>
> That fixed half the problem. Ok now if I close the lid the external
> monitor stays on. But the screensaver and the monitor off options will
> stick to the lid been closed and will never kick in.
>
> So I suppose I need to disable the ACPI lid switch off at a lower level.
> I'm I right?
> How do I do that?

I would suggest to file a bug on launchpad, the ubuntu bugtracker, this should 
not require low-level modifications in ubuntu.