Re: Power management questions

[JW]

Ivo Anjo <[EMAIL PROTECTED]> writes:

> - When the phone is on standby what happens with the screen? Does the
> backlight get turned off? Or does the screen get turned off
> completely?

Both options are available AFAIK and both will be used in different
usages/according to different rules.

> - Will it be possible for apps to control things like cpu speed and
> screen on/off? 

Code to control cpu speed (not so simple to coordinate between the various chips
on the motherboard) is working for GTA01 and is being developed for GTA02.   
http://wiki.openmoko.org/wiki/User:CesarB/cpufreq.

Apps/userspace can control this and screen on/off

JW









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Power management questions

[Ivo Anjo]

Hi.

I've been following openmoko for the last few months, and as the
freerunner seems to be closer and closer I have some doubts/ideas
regarding power management:

- When the phone is on standby what happens with the screen? Does the
backlight get turned off? Or does the screen get turned off
completely?

- Will it be possible for apps to control things like cpu speed and
screen on/off? I was thinking that when listening to music the cpu
can't obviously be asleep, but it would help battery life if the clock
speed (and possible other things) were throttled back a little, and
also that the screen could be controlled by the music app so it would
turn off after a while, or at least turn off the backlight.

Thanks,
Ivo Anjo

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