Re: Help/info request (in re trip points)

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Hi (once more),

Isn't there anyone who could spare a few minutes to guide me on this?

I found some references to trip_point_?_hyst files, which seem promising, but they aren't there in my sysfs, and I cannot create them (e.g. "touch: cannot touch `trip_point_4_hyst': No such file or directory").

Thanks.

Lucas Levrel

Le 22 juillet 2016, Lucas Levrel a écrit :

Hi,

Is this the right place to request for help and/or information about thermal zones? If not, please point me to the right place.

I browsed through thermal.c but couldn't find an answer to my question (it goes without saying I'm not an expert), namely: how are trip point temperatures set at boot, and how are they reset when crossed?

I'm aiming at changing the temperatures at which the fan starts and stops. The kernel parameter thermal.act=XXX did change the "fan on" temperature, but not the "fan off" one. I expected the hysteresis T(on)-T(off) to be constant, and thus I thought T(off) would raise as much as I raised T(on), but this is not the case.

Any help is greatly appreciated.

Lucas Levrel
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