Re: How get /proc/acps information about the temperatur

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Erik Mouw schrieb:

Hello Erik,
you can be sure that I allready have a look on this module. What I need
now is a hint, on which device acpi graps to get the temperatur. There
is no direct-hw-access in thermal.c.

If I want to find this out manualy (by searching the source) I would
have to browse the whole acpi-family, and I dont have that time.

I have allready the hint, that maybe BIOS is the newsagent for ACPIs
tempatur-infos. But I dont know it exactly!

Gruss Christian

> On Thu, Jul 19, 2007 at 12:19:20PM +0200, Christian Stalp wrote:
> > does anybody know how the information about the cpu-temperatur get into
> > the "/proc/acpi/thermal_zone/THRM/temperature"?
>
> The kernel does some ACPI calls to get the temperature. The ACPI
> subsystem can do whatever magic required to get the temperature
> (including SMM traps). For all the gory details, see
> drivers/acpi/thermal.c .
>
>
> Erik
>

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