Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757928Ab0LTPKL (ORCPT ); Mon, 20 Dec 2010 10:10:11 -0500 Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]:52677 "EHLO ch-smtp02.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752709Ab0LTPKK (ORCPT ); Mon, 20 Dec 2010 10:10:10 -0500 From: "Henrik Rydberg" Date: Mon, 20 Dec 2010 16:06:48 +0100 To: Matthew Garrett Cc: Jean Delvare , Mikael =?iso-8859-1?Q?Str=F6m?= , Julien BLACHE , Guenter Roeck , "lm-sensors@lm-sensors.org" , "linux-kernel@vger.kernel.org" Subject: Re: [lm-sensors] [PATCH 1/2 V3] applesmc: Use PnP rather than hardcoding resources and devices Message-ID: <20101220150648.GA19922@polaris.bitmath.org> References: <20101218042320.GA14104@ericsson.com> <20101218093719.GA1493@polaris.bitmath.org> <20101218110954.7a2ca190@endymion.delvare> <20101218103139.GA1668@polaris.bitmath.org> <878vzngvyn.fsf@sonic.technologeek.org> <20101218115742.GA2063@polaris.bitmath.org> <1292852674.2118.10.camel@mike-laptop> <20101220145721.4c58ff3e@endymion.delvare> <20101220142344.GA19566@polaris.bitmath.org> <20101220142815.GA23998@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101220142815.GA23998@srcf.ucam.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-Originating-IP: 83.248.200.95 X-Scan-Result: No virus found in message 1PUhKc-0004OY-6v. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1PUhKc-0004OY-6v eb036ac2d2806e64ef3a9a10bf464b3b Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1176 Lines: 24 On Mon, Dec 20, 2010 at 02:28:15PM +0000, Matthew Garrett wrote: > On Mon, Dec 20, 2010 at 03:23:44PM +0100, Henrik Rydberg wrote: > > > The macbook overheat problems goes way back. All models have automatic > > heat protection, but it kicks in at temperatures uncomfortable to most > > users. The severity also depends on when the model was made. The > > current solution is to use the macfanctld driver, which disables > > automatic fan control, replacing it with a control loop yielding more > > workable temperatures. A fan control solution in the kernel would > > certainly be well received. > > There is one, you just need to hook into the thermal device interface. Right. The fans and the right sensors need to be plugged in, which seems like it should happen at the same time the platform device is removed. Thanks to macfanctld, there might even be enough information regarding what sensors to use. Just about. Henrik -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/