Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755647AbZGPGQr (ORCPT ); Thu, 16 Jul 2009 02:16:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752418AbZGPGQq (ORCPT ); Thu, 16 Jul 2009 02:16:46 -0400 Received: from yumi.tdiedrich.de ([85.10.210.183]:38626 "EHLO mx.tdiedrich.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751865AbZGPGQq (ORCPT ); Thu, 16 Jul 2009 02:16:46 -0400 Date: Thu, 16 Jul 2009 08:16:42 +0200 From: Tobias Diedrich To: Henrique de Moraes Holschuh Cc: Pavel Machek , kernel list , ibm-acpi@hmh.eng.br, ibm-acpi-devel@lists.sourceforge.net Subject: Re: 2.6.31-rc2: thinkpad boots with backlight low Message-ID: <20090716061642.GB13056@yamamaya.is-a-geek.org> Mail-Followup-To: Tobias Diedrich , Henrique de Moraes Holschuh , Pavel Machek , kernel list , ibm-acpi@hmh.eng.br, ibm-acpi-devel@lists.sourceforge.net References: <20090714092513.GB2010@elf.ucw.cz> <20090715112204.GA16289@yamamaya.is-a-geek.org> <20090715143509.GC22098@khazad-dum.debian.net> <20090715223931.GA18924@yamamaya.is-a-geek.org> <20090715225936.GA30370@yamamaya.is-a-geek.org> <20090716000621.GA23073@khazad-dum.debian.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090716000621.GA23073@khazad-dum.debian.net> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1085 Lines: 27 Henrique de Moraes Holschuh wrote: > And that will, of course, cause the driver to set the brightness in NVRAM to > zero (but it *should* do so for shutdown as well, not just machine-restart. > You may have uncovered two bugs, not just one), which will be honoured by > the BIOS on the next reboot/power up. I does set it to zero (or whatever was last written to the sysfs or /proc/acpi/ibm file) on shutdown and reboot, so no bug there. > > I assume that the autodetection finds the HBRV acpi function and > > selects the former, resulting in a not working backlight control. > > Yes. > > Please send me by private mail the output of acpidump and dmidecode (so that > I will have them both in the same place). I will blacklist your thinkpad to > force TPACPI_BRGHT_MODE_UCMS_STEP. Done. -- Tobias PGP: http://9ac7e0bc.uguu.de -- 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/