[ltp] there is even more to it! (Re: HOWTO - acpid and ibm-acpi on a T42p)

[Fionn Behrens]

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Am Dienstag, den 14.12.2004, 18:15 -0500 schrieb morpheus:
> Hi,
> After lots of trial and error, I managed to get ibm-acpi working with
> most of the Fn-Fx keys on my T42p.  Here is a simple HOWTO:
>=20
> First, compile and install ibm-acpi, which you can get from http://ibm-
> acpi.sourceforge.net/
>=20
> Click on README for installation details.
>=20
> Don't forget to do:
> # modprobe ibm_acpi
> to enable the module after installation.  Also, if you want it to
> automatically enable in Fedora all the time, edit /etc/rc.d/rc.local and
> add the line above to this file.

I suggest you add "experimental=3D1" to this.
That way you can play with all the lights on the thinkpad. You can even
use the Power-LED for something sensible, e.g. let it flash when new
mail has arrived.

Appended as an example is an S3 script that lets the sleep light BLINK
while going to sleep and while waking up. Nifty! ;-)

> For the T42p, the ibm-acpi /proc/acpi/ibm/video cannot be used to turn
> the LCD backlight on and off.  Fortunately there is a package called
> radeontool that can do this.  You can apt-get it or get an RPM from
> rpm.pbone.net.

Ha! It is way simpler than you think. Just use
=20
xset -display :0 dpms force standby

That way, the light goes back on as soon as you strike any key or use
the mouse. I prefer that, personally.

Appended as an example is an action script "blank.sh"

I have also appended a script that prevents accidential shutdowns when
pressing the power button by opening a requester, asking you what to do.
It also catches misled events when you wake up the system using the
power button (and certainly dont want to shut it down then). For this to
work you need the "gmessage" package installed.

Have fun!

Fionn

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