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 C80CEC77B76 for ; Tue, 18 Apr 2023 12:46:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231990AbjDRMqX (ORCPT ); Tue, 18 Apr 2023 08:46:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231980AbjDRMqW (ORCPT ); Tue, 18 Apr 2023 08:46:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C15714F6A for ; Tue, 18 Apr 2023 05:46:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B7FC163398 for ; Tue, 18 Apr 2023 12:46:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE068C433D2; Tue, 18 Apr 2023 12:46:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681821980; bh=hVpfRZVb468saIdTkx3iUdwJkjPD/tAH5+SegKOrwZI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f0oL9JdooP5x0tNKZKEpWVGlwCM+FJAwkxk1vH1559zpmaJYrg3HorsoexG9ANj3+ wcUPoVIFKHwhKYc4d6JDC6WYoi3Kuwmtn5dSG38VV11tebeHPcWnbdfm0lVmnaMYZv Ow+OFHnH4YADkpd/jkouU0a2ZV4GI09o9jcCislg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans de Goede , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.1 081/134] ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG Date: Tue, 18 Apr 2023 14:22:17 +0200 Message-Id: <20230418120315.897866840@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.001025904@linuxfoundation.org> References: <20230418120313.001025904@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 5e7a3bf65db57461d0f47955248fcadf37321a74 ] The Acer Aspire 3830TG 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 backlight interface which does work properly. 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 42b5af5490a11..f0f41959faea6 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -530,6 +530,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"), }, }, + { + .callback = video_detect_force_native, + /* Acer Aspire 3830TG */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3830TG"), + }, + }, { .callback = video_detect_force_native, /* Acer Aspire 4810T */ -- 2.39.2