[Angstrom-devel] suspend and backlight control

Yan Seiner yan at seiner.com
Mon Jun 9 20:34:07 CEST 2008


On Sun, June 8, 2008 10:29 pm, Dmitry Artamonow wrote:
> On 17:20 Sun 08 Jun     , Yan Seiner wrote:
>> Is there any documentation for corgi-bl?  I need to be able to set
>> backlight dim and suspend intervals from the command line and I can't
>> find
>> any docs for any of the stuff in /sys/class/backlight and I can't find
>> any
>> way to control the suspend interval via CLI.
>>
>> Can anyone shed some light on this?
>
> Hmm, AFAIK auto-dim and auto-turn-off of backlight has nothing to do
> with kernel. It's the feature of ipaq-sleep - at least when I disabled
> ipaq-sleep on my C700 (by removing /etc/X11/Xsession.d/69ipaq-sleep),
> backlight never went off since.

Hummm.  I tried turning off ipaq-sleep (/etc/init.d/ipaq-sleep stop) and
while the daemon is killed, the machine still goes to sleep after the
preset time.

So I tried to tell ipaq-sleep not to turn off anything

ipaq-sleep -u 0 -o 0

but the machine still went to sleep after 10 minutes.

Is there something else that turns sleep on and off?  Or do I have to
shuffle config files?

--Yan

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