From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759587AbXGDThf (ORCPT ); Wed, 4 Jul 2007 15:37:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756552AbXGDTh2 (ORCPT ); Wed, 4 Jul 2007 15:37:28 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:48838 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755109AbXGDTh1 (ORCPT ); Wed, 4 Jul 2007 15:37:27 -0400 Date: Wed, 4 Jul 2007 21:37:12 +0200 From: Pavel Machek To: Andi Kleen , Dmitry Torokhov , Indan Zupancic , Linus Torvalds , Stephen Hemminger , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: blink driver power saving Message-ID: <20070704193711.GG2728@elf.ucw.cz> References: <51563.81.207.0.53.1183376603.squirrel@secure.samage.net> <200707021351.57965.ak@suse.de> <200707021439.27357.ak@suse.de> <20070702230827.GA9071@elf.ucw.cz> <20070703071237.GA17476@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070703071237.GA17476@suse.de> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > > > > Perhaps one of you geniuses who all hate it can find a better way to > > > > > solve the "video output dead after kexec; but need visual feedback to the user > > > > > while crash dumping" problem. I'm waiting for your patches. > > > > > > > > > > > > > I don't don't like it ;) Unfortunately too many people end up enabling > > > > > > Yes that's pretty weird. I admit I hadn't expected > > > that problem. blink is equivalent to "annoy me" and it > > > is a mystery why so many people should willingly ask their computer to > > > annoy them. > > > > tristate "Keyboard blink driver" > > > > ...drivers are not expected to act on their own. I was expecting to > > get nice /sys/class/led* interface to my keyboard leds. > > What's the benefit of such an interface? If you're able to trigger > keyboard LEDs via that interface, you're also able to use the ioctl() > on /dev/console. Well, at least it is standartized interface... plus it can do stuff like "blink that led on disk access". > I think the intention of the blink driver was to have a *early* blink, > i.e. before initrd (and on systems without intrd, before the first > init script runs). ...and yes, it can autoblink, too. It should be even possible to set default behaviour of led to blink, doing what the blink driver does, but in a clean way. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html