Re: Changing temperature trip points

Pavel Machek
2002-11-03T22:00:17Z

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

Actually, Documentation/acpi/processor.txt seems like right
place. "Polling" warning should be in Documentation/, really.

Pavel
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