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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 D2C13C71156 for ; Wed, 2 Dec 2020 06:41:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76CF922203 for ; Wed, 2 Dec 2020 06:41:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728707AbgLBGlL (ORCPT ); Wed, 2 Dec 2020 01:41:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728674AbgLBGlL (ORCPT ); Wed, 2 Dec 2020 01:41:11 -0500 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78630C0613D6 for ; Tue, 1 Dec 2020 22:40:25 -0800 (PST) Received: by mail-pj1-x1044.google.com with SMTP id f14so16938pju.4 for ; Tue, 01 Dec 2020 22:40:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=endlessos.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zY92Rci4J9j+9ksUhoFOdGaklu6PbRH/V2SAmN+2l0c=; b=B2Z50xEZzwXaJoltyohaEnIlsLrSkCR28AjK1pu5MUumAIN3C4GnaDd3byQiOlgsNV /J3aCS1X4HYAXTmYvpEO8HPTB6LY17aRx+d1rJGbff/+ssyrenOQ4gUVfAeBDiHXG0ax zD8ei0o/BoFL+PO0rChRqyN6UvzNTAzIKdlpEGS8GpjprTVJuVIkcIGshlmH1aNsnd1c WkdaBE/u+jkWYbvPfUZnWS7BD1gMrLMVCVTgTjv+zvxFh0fJLsLNd7Lwns+d5EpXKzuE JDn/w7cQovRQKiqyObS7nS7ZKB8ik/40QQw1USYebPhUsjShqS2oFKDJ+CfEIrLlMigL c47g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zY92Rci4J9j+9ksUhoFOdGaklu6PbRH/V2SAmN+2l0c=; b=YtEs3zwGcGklh1rIv+xXpBht2xhPwUG2PbU+1966cykspBpMajKAq8nx5/Tu6nagjy BZ0aXg2kcOVkKjgTEapOHmKRBIFGtJzyRhlHGxI0rFwjcGs34uXNFpd7Ia0yW1/te+WF fHT3ejUeYywfHmC0BakA7aBgxKsjEsi1Aqg9uB+1kv7iTCnktXaH5A+H8WvFwhgmiMzw rZidCkfY+I93Dygy1vI08wf2uhKD1YjQHmv8i50g2dPLv8mglxkdR0TGNqmRaCKl6tkI h/BiunnTr1ss8iM0adwOUCpHFC9EHTDTP6Q7yPbl5wsrQSxetzzKA4iyA2oqxU4C3jk1 KGsg== X-Gm-Message-State: AOAM5335sMlhidhK6kars1W/mmHWq7Lj7M40m82xthU8m9gPkHjEiEgF zG5/dWUX7JV9qJwQtaI6+54q7w== X-Google-Smtp-Source: ABdhPJz48qwqgTyyUzdmiHLiBwQSkpTx8KBNvQ4018NE0PSGhPRm0jty+8EQwNgP6SkR00wvBL7S5g== X-Received: by 2002:a17:90a:202:: with SMTP id c2mr1030309pjc.164.1606891224925; Tue, 01 Dec 2020 22:40:24 -0800 (PST) Received: from localhost.localdomain (123-204-46-122.static.seed.net.tw. [123.204.46.122]) by smtp.googlemail.com with ESMTPSA id b80sm973181pfb.40.2020.12.01.22.40.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Dec 2020 22:40:24 -0800 (PST) From: Chris Chiu To: rjw@rjwysocki.net, lenb@kernel.org Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux@endlessos.org, "Jasper St. Pierre" , Chris Chiu Subject: [PATCH] ACPI: Add DMI quirk for GIGABYTE GB-BXBT-2807 Date: Wed, 2 Dec 2020 14:39:42 +0800 Message-Id: <20201202063942.6644-1-chiu@endlessos.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Jasper St. Pierre" The GIGABYTE GB-BXBT-2807 is a mini-PC which uses off the shelf components, like an Intel GPU which is meant for mobile systems. As such, it, by default, has a backlight controller exposed. Unfortunately, the backlight controller only confuses userspace, which sees the existence of a backlight device node and has the unrealistic belief that there is actually a backlight there! Add a DMI quirk to force the backlight off on this system. Signed-off-by: Jasper St. Pierre Reviewed-by: Chris Chiu --- drivers/acpi/video_detect.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 2499d7e3c710..ac2e194acdbf 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -143,6 +143,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_vendor, + .ident = "GIGABYTE GB-BXBT-2807", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"), + }, + }, + { .ident = "Sony VPCEH3U1E", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), -- 2.20.1