Re: Changing temperature trip points

Dominik Brodowski
2002-11-03T21:08:43Z

On Sun, Nov 03, 2002 at 09:39:49PM +0100, Pavel Machek wrote:
> Hi!
>
> > > YOU are right that I need to turn the polling on.
> > >
> > > But I'm sure fan is done by bios on my machine.
> >
> > Yes, that might well be - the fan on my machine turns on and off both when
> > it thinks it should, and when ACPI tells it should *weird*
> >
> > Actually, I think any write into trip_points should automatically enable
> > the polling mode. Will submit a patch which does that later. Do 3 seconds
> > sound sane?
>
> I believe user should be clever enough to set polling rate manually.
>
> Perhaps documenting it is enough?
> Pavel

> PS: Polling rate has strong effect on how passive works. If you set
> it too fast it will basically only use "max performance" and "max
> throttle", which is not what you want.

That's true, yes. But it really should be documented. Well, maybe I'll find
the time to do the same for /thermal_zone what I've already done for
/processor at http://www.brodo.de/english/pub/acpi/proc/processor.html

Dominik