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 E08DFC76196 for ; Sat, 1 Apr 2023 01:42:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233629AbjDABmg (ORCPT ); Fri, 31 Mar 2023 21:42:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233581AbjDABmU (ORCPT ); Fri, 31 Mar 2023 21:42:20 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2AA6E1D90A; Fri, 31 Mar 2023 18:41:56 -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 F2D2C62CEE; Sat, 1 Apr 2023 01:41:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFCD3C4339C; Sat, 1 Apr 2023 01:41:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680313309; bh=bRiH1ucR3GvaH7BIRFndbvXN0AdgGfaMLbuwxJWcAwo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MXQvNQwYVurIXOBcMAPXKNTPfhDhl8ybcPXva64fGjLU78+1l1wOO8wSnRZ+zp+u6 eaB6/Z7pflk+zy1siDwPl8tPCfXJqfJF/a/FmBKRAMbOLZs+/4sXwHNkWfBJwQCviz EFFsKvs1KfJuUCRChbSIsWYxJqojahJe8O3/isf6JrxLSVSi5LpOOWtQfZqaLvBADV ov5qsW/7MzuqAUqpDrRPvMtrDd+KDJsUZ90diDcryN+lcUDOawfx608pde3WEiMK4X 40kRWglZIlCOuLB+3HV3gT3nJ2pjk/sm+90s6IuTMZMOMr+IcBtrH5xQ13CQjBXlWl n6h7vVTkKOD9Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hans de Goede , "Rafael J . Wysocki" , Sasha Levin , rafael@kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH AUTOSEL 6.2 13/25] ACPI: video: Add backlight=native DMI quirk for Acer Aspire 3830TG Date: Fri, 31 Mar 2023 21:41:11 -0400 Message-Id: <20230401014126.3356410-13-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230401014126.3356410-1-sashal@kernel.org> References: <20230401014126.3356410-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 710ac640267dd..c69b42a60427e 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -495,6 +495,14 @@ 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