From patchwork Mon Dec 10 20:43:33 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herton Ronaldo Krzesinski X-Patchwork-Id: 205028 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from chlorine.canonical.com (chlorine.canonical.com [91.189.94.204]) by ozlabs.org (Postfix) with ESMTP id 8B7292C026A for ; Tue, 11 Dec 2012 07:43:49 +1100 (EST) Received: from localhost ([127.0.0.1] helo=chlorine.canonical.com) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1TiACU-00057N-MW; Mon, 10 Dec 2012 20:43:42 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by chlorine.canonical.com with esmtp (Exim 4.71) (envelope-from ) id 1TiACR-00056Y-FX for kernel-team@lists.ubuntu.com; Mon, 10 Dec 2012 20:43:39 +0000 Received: from [186.212.211.197] (helo=canonical.com) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1TiACO-0001bQ-AY; Mon, 10 Dec 2012 20:43:37 +0000 From: Herton Ronaldo Krzesinski To: Igor Murzov Subject: [ 3.5.y.z extended stable ] Patch "ACPI video: Ignore errors after _DOD evaluation." has been added to staging queue Date: Mon, 10 Dec 2012 18:43:33 -0200 Message-Id: <1355172213-23407-1-git-send-email-herton.krzesinski@canonical.com> X-Mailer: git-send-email 1.7.9.5 X-Extended-Stable: 3.5 Cc: Zhang Rui , kernel-team@lists.ubuntu.com, Sergey V X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.13 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: kernel-team-bounces@lists.ubuntu.com Errors-To: kernel-team-bounces@lists.ubuntu.com This is a note to let you know that I have just added a patch titled ACPI video: Ignore errors after _DOD evaluation. to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.5.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Herton ------ From 39dc64845989196fa92bd3b0a726952f3a634082 Mon Sep 17 00:00:00 2001 From: Igor Murzov Date: Sat, 13 Oct 2012 04:41:25 +0400 Subject: [PATCH 05/11] ACPI video: Ignore errors after _DOD evaluation. commit fba4e087361605d1eed63343bb08811f097c83ee upstream. There are systems where video module known to work fine regardless of broken _DOD and ignoring returned value here doesn't cause any issues later. This should fix brightness controls on some laptops. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47861 Signed-off-by: Igor Murzov Reviewed-by: Sergey V Signed-off-by: Zhang Rui Signed-off-by: Herton Ronaldo Krzesinski --- drivers/acpi/video.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) -- 1.7.9.5 diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 1e0a9e1..9fe2659 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1345,12 +1345,15 @@ static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) { - int status; + int status = 0; struct acpi_device *dev; - status = acpi_video_device_enumerate(video); - if (status) - return status; + /* + * There are systems where video module known to work fine regardless + * of broken _DOD and ignoring returned value here doesn't cause + * any issues later. + */ + acpi_video_device_enumerate(video); list_for_each_entry(dev, &device->children, node) {