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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 626E6C04A6A for ; Tue, 25 Jul 2023 10:55:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231847AbjGYKzb (ORCPT ); Tue, 25 Jul 2023 06:55:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232050AbjGYKys (ORCPT ); Tue, 25 Jul 2023 06:54:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 887A746B5 for ; Tue, 25 Jul 2023 03:52:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2CB6A615FE for ; Tue, 25 Jul 2023 10:52:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 351E5C433C7; Tue, 25 Jul 2023 10:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690282368; bh=1Y5JUZC0hk2+VhStkGcp8Komml8YDXrr6ysKpN0AVgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cpEkmo2+b3ZPp5xBwZJWz77kgHKw2fgtucgS+oCwCzDGYrgSO5pcVApifR7G21nVy xB8qA3in5OEPxsZsEeA/cZtXpINjipOe9BQsHnnNOMMJXC7wH/HTaZWKY2OnXftDdL SH5Wc7j+IgZtHWVLW2Jg5IMQslvjrffNfLAe8CJo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, raycekarneal , Hans de Goede , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.4 105/227] ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569 Date: Tue, 25 Jul 2023 12:44:32 +0200 Message-ID: <20230725104519.113149291@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104514.821564989@linuxfoundation.org> References: <20230725104514.821564989@linuxfoundation.org> User-Agent: quilt/0.67 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: Hans de Goede [ Upstream commit 23d28cc0444be3f694eb986cd653b6888b78431d ] The Dell Studio 1569 predates Windows 8, so it defaults to using acpi_video# for backlight control, but this is non functional on this model. Add a DMI quirk to use the native intel_backlight interface which does work properly. Reported-by: raycekarneal Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/video_detect.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index b87783c5872dd..e7d04ab864a16 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -528,6 +528,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"), }, }, + { + .callback = video_detect_force_native, + /* Dell Studio 1569 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1569"), + }, + }, { .callback = video_detect_force_native, /* Acer Aspire 3830TG */ -- 2.39.2