From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE29BC2D0A3 for ; Tue, 3 Nov 2020 21:22:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9978206B5 for ; Tue, 3 Nov 2020 21:22:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604438527; bh=vJNDHtA8dIwtrwZJCs7FdcTmW+Ou1/G9CnSb63A9HRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=l+Y/XN4JlZtVRjUsFL/O21dcioobW8Dqu1jn6wkmL40yZfBbrlZW+slK54niheNAc 9TrjBp40SJl7O6vQNAmyj2ZNJk+UKfwZbMsr7Nlo77YQ0FvkaL9TGlyf8LYn6YvruV vEkAJV7fydt0tQPK/G/I86cvztC9fH2AdKZUzWV4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387858AbgKCVWA (ORCPT ); Tue, 3 Nov 2020 16:22:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:44460 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388065AbgKCVFr (ORCPT ); Tue, 3 Nov 2020 16:05:47 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A172620658; Tue, 3 Nov 2020 21:05:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604437547; bh=vJNDHtA8dIwtrwZJCs7FdcTmW+Ou1/G9CnSb63A9HRc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MAYgqtg7opERgfHYhnuoXG1+BPAU952lxFPYsZ28h6GPBTWqjwWMDvVAgfdDte+zn vTN40i7P4zJCoWuyWqF/vvPrkh8rFVso3tJ7kr+y4d/bEZArCymYO3WSKRhXRdn23E tJtHLb7bRhwTvvs+uYdfA7AQZ3FuCfnDJa/ay1jU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alex Hung , "Rafael J. Wysocki" Subject: [PATCH 4.19 122/191] ACPI: video: use ACPI backlight for HP 635 Notebook Date: Tue, 3 Nov 2020 21:36:54 +0100 Message-Id: <20201103203244.697783509@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203232.656475008@linuxfoundation.org> References: <20201103203232.656475008@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alex Hung commit b226faab4e7890bbbccdf794e8b94276414f9058 upstream. The default backlight interface is AMD's radeon_bl0 which does not work on this system, so use the ACPI backlight interface on it instead. BugLink: https://bugs.launchpad.net/bugs/1894667 Cc: All applicable Signed-off-by: Alex Hung [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/video_detect.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -274,6 +274,15 @@ static const struct dmi_system_id video_ DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"), }, }, + /* https://bugs.launchpad.net/bugs/1894667 */ + { + .callback = video_detect_force_video, + .ident = "HP 635 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"), + }, + }, /* Non win8 machines which need native backlight nevertheless */ {