From patchwork Thu May 15 18:34:26 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 4185231 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0C8E59F1C0 for ; Thu, 15 May 2014 18:35:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4268520395 for ; Thu, 15 May 2014 18:35:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F4A120380 for ; Thu, 15 May 2014 18:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755696AbaEOSfB (ORCPT ); Thu, 15 May 2014 14:35:01 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60162 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755488AbaEOSfA (ORCPT ); Thu, 15 May 2014 14:35:00 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s4FIYiB1016075 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 15 May 2014 14:34:44 -0400 Received: from shalem.localdomain.com (vpn1-6-204.ams2.redhat.com [10.36.6.204]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s4FIYRav008671; Thu, 15 May 2014 14:34:41 -0400 From: Hans de Goede To: "Rafael J. Wysocki" , Aaron Lu , Jingoo Han , Bryan Wu , Lee Jones , Jean-Christophe Plagniol-Villard , Tomi Valkeinen , Ben Skeggs , David Airlie Cc: Zhang Rui , Len Brown , linux-acpi@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, Hans de Goede , stable@vger.kernel.org Subject: [PATCH 4/4] acpi-video: Add use native backlight quirk for the ThinkPad W530 Date: Thu, 15 May 2014 20:34:26 +0200 Message-Id: <1400178866-3659-5-git-send-email-hdegoede@redhat.com> In-Reply-To: <1400178866-3659-1-git-send-email-hdegoede@redhat.com> References: <1400178866-3659-1-git-send-email-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Like all of the other *30 ThinkPad models, the W530 has a broken acpi-video backlight control. Note in order for this to actually fix things on the ThinkPad W530 the commit titled: "nouveau: Don't check acpi_video_backlight_support() before registering backlight" is also needed. https://bugzilla.redhat.com/show_bug.cgi?id=1093171 Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede --- drivers/acpi/video.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 123f919..0fec70d 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -523,6 +523,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { + .callback = video_set_use_native_backlight, + .ident = "ThinkPad W530", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W530"), + }, + }, + { .callback = video_set_use_native_backlight, .ident = "ThinkPad X1 Carbon", .matches = {