From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: [lm-sensors] Fintek f71882fg ACPI conflict Date: Thu, 28 Jun 2012 11:57:12 -0700 Message-ID: <20120628185712.GA20159@roeck-us.net> References: <4FEA4C10.2060904@googlemail.com> <20120627171505.GB12712@roeck-us.net> <4FEB90A8.8050901@googlemail.com> <20120628052032.GA16364@roeck-us.net> <4FEC4092.7090104@googlemail.com> <20120628171209.GB7283@roeck-us.net> <4FEC96B7.50500@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail.active-venture.com ([67.228.131.205]:55501 "EHLO mail.active-venture.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753961Ab2F1S45 (ORCPT ); Thu, 28 Jun 2012 14:56:57 -0400 Content-Disposition: inline In-Reply-To: <4FEC96B7.50500@googlemail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Michael Zintakis Cc: lm-sensors@lm-sensors.org, Len Brown , linux-acpi@vger.kernel.org On Thu, Jun 28, 2012 at 06:39:03PM +0100, Michael Zintakis wrote: [ ... ] > >Problem is most likely that the BIOS does not "kick-start" the fan(s), > >and the chip does not have a register to set a "start fan" pwm value (other > >chips such as the NCT677X do have a register for that purpose). > Yep, that seems to be the case indeed. > > > So you may > >be stuck with your manual method if you want to keep the fan running at speeds > >lower than pwm=190. > Would it be possible for such feature to be implemented in the > f71882fg driver? Most of the stuff which is done with my bash script > will be very easy to implement in the driver as it involves nothing > more than playing with the registry values and adding a bit of logic > to it. Would that be possible? > No, that is not in the scope of a kernel driver. You could use fancontrol(8), but that would mean you have to switch to manual fan control (from chip perspective). Guenter