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 C6EEBEB64D9 for ; Sun, 2 Jul 2023 19:59:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233206AbjGBT7K (ORCPT ); Sun, 2 Jul 2023 15:59:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233284AbjGBT6D (ORCPT ); Sun, 2 Jul 2023 15:58:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 226DE2680; Sun, 2 Jul 2023 12:55:32 -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 56B3160D2B; Sun, 2 Jul 2023 19:52:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 64ECEC433CA; Sun, 2 Jul 2023 19:52:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688327542; bh=lwZ1svAY0g6/mInAGdcu3Le5e9Uq4Rks/r8+ZIvw/h0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kEc2mUH1v6d96NNRMve9JaVCl7c22qr3JbPl1PA3Wps+St6x4xPd7+8EekSRnV+2s a+UE52+VKXu8HBSDHobHqVKfyIgCEO824NT3ZcpAMbif1H+/S6uz+ukZjhkgt3njP0 GDVr+M91BbbBM1NVXau7Iwli5RIpshomg62GbtQDcfgSOn/Ck/WF0dqNxlS4nBu73U fYXz7yBKU8rRNPjmb7HRRL7xg4IKRpAV2vv5clVryqFqhBC0A/0HCXgrai96gOL35r zbeZr0fC3f1Mnx9zuP3QCeZMVG7eA4RegLMPvI13dMMthc97H9v9rr0cfRIR+9twfS P6/97dAftX8Lg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hans de Goede , raycekarneal , "Rafael J . Wysocki" , Sasha Levin , rafael@kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 9/9] ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569 Date: Sun, 2 Jul 2023 15:51:56 -0400 Message-Id: <20230702195159.1788402-9-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230702195159.1788402-1-sashal@kernel.org> References: <20230702195159.1788402-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.37 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 4a77e7e6e3fa0..c8dd7f7407da2 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -526,6 +526,14 @@ 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