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SubjectRe: [PATCH v2] platform: x86: asus-wmi: add fan control
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On Mon, Oct 14, 2013 at 6:22 PM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> 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.

That defeats the purpose of the whole thermal binding infrastructure.

>> > 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.

I'm not going to bother arguing against your absolutist rhetoric. The
fact is one patch can be applied, the other can't. Besides, nobody
said anything about banging EC registers directly.

--
Felipe Contreras


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