Re: thermal governor: does it actually work??

Borislav Petkov
2013-02-19T15:05:57Z

On Tue, Feb 19, 2013 at 10:51:04PM +0800, Zhang Rui wrote:
> Okay, here I see the problem, say you want to turn on the fan at 60C and
> turn it off at 55C, is this what you want?
> hmmm, is it possible to do some tricks in acerhdf driver?
> say,
> only one active trip point as before. but change acerhdf_get_trip_temp
> to:
> acerhdf_get_trip_temp()
> {
> if (fan is on)
> return 55;
> else
> return 60;
> }
>
> In this way, when the fan is off and the temperature is raising, the fan
> will be turned on at 60C because we have an active trip point of 60C.
> And when the fan is turned on and the temperature starts to drop, the
> fan will be turned off at 55C.

Makes a sense to me. I was questioning the need for 4 trip points too.
We probably would need a second, critical trip point though, just in
case.

Thanks.

--
Regards/Gruss,
Boris.

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