[ltp] HOWTO - acpid and ibm-acpi on a T42p

[Lenz Grimmer]

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Hi!

Thanks for the hints, they were quite helpful to finally get me going with 
this on my T42. Some additional comments below.

On Tue, 14 Dec 2004, morpheus wrote:

[...]

> 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.

If you want to enable the Fn-Keys, make sure to also pass "hotkey=enable" 
to the ibm_acpi module (either as an option to modprobe or by adding it to 
/etc/modprobe.conf

[...]

> Next, save the following script as /etc/acpi/actions/Fn-F3.sh
> 
> #!/bin/bash
> if [ -f /etc/acpi/actions/lightoff ]; then
> radeontool light on
> rm /etc/acpi/actions/lightoff
> else
> radeontool light off
> touch /etc/acpi/actions/lightoff
> fi
> 
> This script will toggle your backlight on and off.

Instead of touching a file, you can simply query radeontool itself for the 
light status. Here is what I use to determine this (derived off a 
suggestion made by Konstantin Filtschew <mailoperator@uni.de> in this 
list):

[SNIP]
#!/bin/bash

RADEONTOOL='/usr/local/bin/radeontool'

status=`$RADEONTOOL light|sed s/The\ radeon\ backlight\ looks\ //`;

if [[ "$status" = "on" ]] ; then
  $RADEONTOOL light off
elif [[ "$status" = "off" ]] ; then
  $RADEONTOOL light on
fi
[SNIP]

Thanks for the hints!

Bye

	LenZ
- -- 
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 Lenz Grimmer <lenz@grimmer.com>                             -o)
 [ICQ: 160767607 | Jabber: LenZGr@jabber.org]                /\\
 http://www.lenzg.org/                                       V_V
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