From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261491AbVHBLEa (ORCPT ); Tue, 2 Aug 2005 07:04:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261494AbVHBLEa (ORCPT ); Tue, 2 Aug 2005 07:04:30 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:45522 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261491AbVHBLE3 (ORCPT ); Tue, 2 Aug 2005 07:04:29 -0400 Date: Tue, 2 Aug 2005 13:04:18 +0200 From: Pavel Machek To: Eugene Pavlovsky Cc: Linux Kernel Subject: Re: RFE: console_blank_hook that calls userspace helper Message-ID: <20050802110418.GB1390@elf.ucw.cz> References: <1122891737.42edf7d9a402a@www.bluebottle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1122891737.42edf7d9a402a@www.bluebottle.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > http://bugzilla.kernel.org/show_bug.cgi?id=4767: > > Bugzilla Bug 4767 RFE: console_blank_hook that can call userspace > program > Submitter: heilong@bluebottle.com (Eugene Pavlovsky) > > I think it'd be very good to have a console_blank_hook handler that > would call a > userspace program/script/generate hotplug event whatever. Currently, > the console > can only be blanked using APM, so no options exist for people using > ACPI. I've > got a Radeon graphics chip on my laptop, and the LCD backlight can be > controlled > (on/off) using radeontool. If there was a userspace callback > interface > to > console blanking, I would just make a callback script that calls > "radeontool > light off" on blank and "radeontool light on" on unblank - really > easy. I think > this userspace console_blank_hook handler is very simple to put into > kernel, but > I'm not a kernel developer myself, so wouldn't risk sending any > patches (that > call system("some_script")), because I probably won't make things as > they should > be in the kernel. Radeonfb should blank console automatically, without userspace helper. Send a patch to do that ;-). Pavel -- teflon -- maybe it is a trademark, but it should not be.