From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhang Rui Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys (BISECTED) Date: Wed, 15 Apr 2009 09:51:31 +0800 Message-ID: <1239760291.7661.307.camel@rzhang-dt> References: <49E10684.5090101@gmail.com> <20090411150555.8b13ed18.akpm@linux-foundation.org> <20090412161448.GC26502@khazad-dum.debian.net> <49E234ED.5010105@gmail.com> <1239585695.5564.5.camel@localhost.localdomain> <49E3575A.60204@gmail.com> <20090413203450.GC16152@khazad-dum.debian.net> <49E5234E.5070303@gmail.com> <1239760242.7661.305.camel@rzhang-dt> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com ([134.134.136.24]:6457 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753549AbZDOBvL (ORCPT ); Tue, 14 Apr 2009 21:51:11 -0400 In-Reply-To: <1239760242.7661.305.camel@rzhang-dt> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Niel Lambrechts Cc: Henrique de Moraes Holschuh , "mjg59@srcf.ucam.org" , "Zhao, Yakui" , Andrew Morton , "linux.kernel" , "linux-acpi@vger.kernel.org" On Wed, 2009-04-15 at 09:50 +0800, Zhang Rui wrote: > On Wed, 2009-04-15 at 07:59 +0800, Niel Lambrechts wrote: > > On 04/13/2009 10:34 PM, Henrique de Moraes Holschuh wrote: > > > On Mon, 13 Apr 2009, Niel Lambrechts wrote: > > > > > >>>> In 2.6.29.1: > > >>>> lrwxrwxrwx 1 root root 0 Apr 12 20:01 /sys/class/backlight/acpi_video0 > > >>>> -> ../../devices/virtual/backlight/acpi_video0 > > >>>> > > > > > > Well, that at least confirms that thinkpad-acpi doesn't have anything to > > > do with your troubles, you were using acpi video. > > > > > > > Okay, I've bisected it to: > > > > 74a365b3f354fafc537efa5867deb7a9fadbfe27 is first bad commit > > commit 74a365b3f354fafc537efa5867deb7a9fadbfe27 > > Author: Matthew Garrett > > Date: Thu Mar 19 21:35:39 2009 +0000 > > > > ACPI: Populate DIDL before registering ACPI video device on Intel > > > > please set CONFIG_DRM_I915_KMS, reload the ACPI video driver after > loading i915 and see if it helps. > sorry, you don't need to reload the ACPI video driver... > thanks, > rui > > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html