Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752817Ab0APWPL (ORCPT ); Sat, 16 Jan 2010 17:15:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751489Ab0APWPJ (ORCPT ); Sat, 16 Jan 2010 17:15:09 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:54540 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752550Ab0APWPI (ORCPT ); Sat, 16 Jan 2010 17:15:08 -0500 Date: Sat, 16 Jan 2010 23:14:54 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Bart?omiej Zimo? , Andy Walls , Daniel Borkmann , linux-kernel@vger.kernel.org, rpurdie@rpsys.net, lenz@cs.wisc.edu, Dirk@opfer-online.de, arminlitzel@web.de, Cyril Hrubis , thommycheck@gmail.com, linux-arm-kernel , dbaryshkov@gmail.com, omegamoon@gmail.com, eric.y.miao@gmail.com, utx@penguin.cz, zaurus-devel@www.linuxtogo.org Subject: Re: [suspend/resume] Re: userspace notification from module Message-ID: <20100116221454.GA8425@elf.ucw.cz> References: <686edb2c.6263643a.4b3f4a3b.b60b3@o2.pl> <201001152314.30355.rjw@sisk.pl> <20100116181211.GA1603@ucw.cz> <201001162307.48085.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201001162307.48085.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 981 Lines: 25 Hi! > > Agreed, but so what? On PC, machine would power off at that > > point. That would surprise the apps, too. > > > > Basically new enough userland should not make battery run low enough > > for either emergency power off or emergency suspend. > > I wonder how it is supposed to achieve that without knowing the current battery > status. Do you mean it should poll the battery driver? That's besides point, is it? Usual kernel<->user interfaces should apply here. Zaurus provides /proc/apm emulation, and I'm writing drivers/power/ driver. Not sure it has event interface... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/