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SubjectRe: [PATCH v2] platform: x86: asus-wmi: add fan control
On Mon, Oct 14, 2013 at 06:18:36PM -0500, Felipe Contreras wrote:
> On Mon, Oct 14, 2013 at 10:52 AM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> > It wouldn't be appropriate to alter the firmware behaviour by default,
> > but yeah, that's the kind of thing that the thermal framework exists to
> > do.
>
> Well, how do I do that? The driver is up and running, and I can
> manually set different fan speeds, however nothing seems to happen
> automatically when the temperature increases.

The easiest is to just do it from userspace. I think Intel have some
code for doing this, but I haven't looked at the thermal code for years.

> > I don't think you can easily register multiple drivers for the same WMI
> > device.
>
> I don't mean this one, I mean the standalone one. Actually, the first
> one I sent doesn't require all this system memory stuff.

Banging EC registers directly is the wrong thing to do. Going via WMI is
correct.

--
Matthew Garrett | mjg59@srcf.ucam.org


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