Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755121Ab1EBMJF (ORCPT ); Mon, 2 May 2011 08:09:05 -0400 Received: from cantor.suse.de ([195.135.220.2]:55954 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752731Ab1EBMJC (ORCPT ); Mon, 2 May 2011 08:09:02 -0400 Date: Mon, 02 May 2011 14:08:59 +0200 Message-ID: From: Takashi Iwai To: Melchior FRANZ Cc: linux-kernel@vger.kernel.org, Chris Wilson , dri-devel@lists.freedesktop.org, Carlos Corbacho Subject: Re: i915/kms/backlight-combo mode problem (was: Re: Linux 2.6.39-rc5) In-Reply-To: <201104301334.53928@rk-nord.at> References: <201104301032.05271@rk-nord.at> <201104301334.53928@rk-nord.at> User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.2 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1273 Lines: 37 At Sat, 30 Apr 2011 13:34:51 +0200, Melchior FRANZ wrote: > > Dropping Linus from the CC. > > > * Takashi Iwai -- Saturday 30 April 2011: > * * At Sat, 30 Apr 2011 10:32:04 +0200, Melchior FRANZ wrote: > > > Yes, backlight adjustment generally works on this notebook, but only > > > with "acpi_osi=Linux" on the command line. > > > > acpi_osi quirk should be better added statically, then. > > No, I guess the problem here is that acer_wmi doesn't support this > machine yet. I told the ACER WMI maintainer and sent a DSDT image, > but this message was thoroughly ignored. > > > $ dmesg|grep -i acer > [ 0.000000] DMI: Acer TM5735/BA51_MV, BIOS V1.04 09/23/2010 > [ 71.850534] acer_wmi: Acer Laptop ACPI-WMI Extras > [ 72.350278] acer_wmi: Unable to detect available WMID devices > > Machine: Acer Travelmate 5735Z-452G32Mnss Hm, but the backlight control is done via the standard ACPI, no? If so, the fact that acer_wmi doesn't work sounds irrelevant. BTW, did you try my previous patch? Takashi -- 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/