linux-kernel - Re: [lm-sensors] it87 sensors need an ACPI driver (2.6.31)

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Date:	Tue, 6 Oct 2009 18:10:20 +0200
From:	Luca Tettamanti <kronos.it@...il.com>
To:	Michael Tokarev <mjt@....msk.ru>
Cc:	Brad Campbell <brad@...p.net.au>, lm-sensors@...sensors.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [lm-sensors] it87 sensors need an ACPI driver (2.6.31)

On Tue, Oct 6, 2009 at 5:41 PM, Michael Tokarev <mjt@....msk.ru> wrote:
> Luca Tettamanti wrote:
>>
>> On Tue, Oct 6, 2009 at 5:22 PM, Michael Tokarev <mjt@....msk.ru> wrote:
>>> Ok.  Now a pure technical question, finally.  Is there a
>>> way to made asus_atk0110 to be able to *set* fan speeds
>>> too, in a way as it's done by it87?
>>
>> In term of Q-FAN profiles: yes, but I still haven't managed to make it
>> work (the interface is there though).
>
> Oh, so it's basically boils down to Silent/Optimal/Normal choices
> as in the BIOS settings, right?  I mean, still no pwm_* controls
> as it87 offers?..

It's motherboard specific. On some model with w83627ehf it's possible
to activate thermal cruise control (with a given target temperature).
I've never seen direct pwm or dc control; it's theoretically doable
with a custom DSDT ;-)

Luca
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