Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753468AbZDNBC2 (ORCPT ); Mon, 13 Apr 2009 21:02:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752500AbZDNBCR (ORCPT ); Mon, 13 Apr 2009 21:02:17 -0400 Received: from mga11.intel.com ([192.55.52.93]:19433 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751697AbZDNBCQ (ORCPT ); Mon, 13 Apr 2009 21:02:16 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.40,182,1239001200"; d="scan'208";a="681270042" Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys From: Zhang Rui To: Niel Lambrechts Cc: Henrique de Moraes Holschuh , Andrew Morton , "linux.kernel" , "linux-acpi@vger.kernel.org" In-Reply-To: <49E3828A.5010004@gmail.com> References: <49E10684.5090101@gmail.com> <20090411150555.8b13ed18.akpm@linux-foundation.org> <20090412161448.GC26502@khazad-dum.debian.net> <49E234ED.5010105@gmail.com> <1239587622.7661.205.camel@rzhang-dt> <49E357D9.40604@gmail.com> <49E3828A.5010004@gmail.com> Content-Type: text/plain Date: Tue, 14 Apr 2009 09:02:36 +0800 Message-Id: <1239670956.7661.245.camel@rzhang-dt> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1 (2.22.1-2.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2106 Lines: 60 Niel, please make sure CONFIG_ACPI_VIDEO is set, please attach the full dmesg output. thanks, rui On Tue, 2009-04-14 at 02:20 +0800, Niel Lambrechts wrote: > On 04/13/2009 05:18 PM, Niel Lambrechts wrote: > > On 04/13/2009 03:53 AM, Zhang Rui wrote: > > > >> please attach the acpidump output. > >> please apply this patch and see if it helps, > >> http://patchwork.kernel.org/patch/17339/ > >> > >> > > Hi, > > > > The patch you mention above has no effect when applied to the latest > > 2.6.30-rc1 git kernel. I'm still unable to control brightness, and the > > display is still blank on resume (unless I press both a keyboard key and > > touch the synaptic pad). > > > > dmesg shows: > > thinkpad_acpi: ThinkPad ACPI Extras v0.22 > > thinkpad_acpi: http://ibm-acpi.sf.net/ > > thinkpad_acpi: ThinkPad BIOS 6FET50WW (1.20 ), EC 7VHT12WW-1.01 > > thinkpad_acpi: Lenovo ThinkPad W500, model 40622XG > > thinkpad_acpi: radio switch found; radios are enabled > > thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness > > control, supported by the ACPI video driver > > thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... > > Registered led device: tpacpi::thinklight > > Registered led device: tpacpi::power > > Registered led device: tpacpi::standby > > thinkpad_acpi: Standard ACPI backlight interface available, not loading > > native one. > > pci 0000:00:02.0: power state changed by ACPI to D0 > > > > but /sys/class/backlight still is empty. > > > > acpidump output attached, please let me know if I can test anything else > > or provide more info... > > > I've just retried this with the latest Lenovo firmware *2.12-1.01 > *6FET64WW (which came out last week). It still gives the same bad result > though... > > I attach acpidump again in case it matters after upgrading the BIOS. > > cheers > Niel > -- 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/