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 7CB06C433EF for ; Wed, 13 Jul 2022 13:58:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235444AbiGMN6i (ORCPT ); Wed, 13 Jul 2022 09:58:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230057AbiGMN6g (ORCPT ); Wed, 13 Jul 2022 09:58:36 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9D50F3BA for ; Wed, 13 Jul 2022 06:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657720714; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/KaBUzMJAb8ELoURf+aDcmgxflG4+mAlNx4MhWPAnms=; b=EoFNHBLHnVVd0/TqUZaISAtoJKFvVaooaz4fAR2FgVOKYornUFFxTqaGNZASrfUvHy/aLS wqTOJSTh331kfdbjkW7JJz4B45ngXczyXH0NFLPjCaI0M0CTOm1y26H6eh1hslHYg6ZqwJ duZ4kyMPK0ikGy2gQfj0I4yPbh6Opro= Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-365-iXYDArJ2Pq2tnmG_TwCikw-1; Wed, 13 Jul 2022 09:58:31 -0400 X-MC-Unique: iXYDArJ2Pq2tnmG_TwCikw-1 Received: by mail-ed1-f72.google.com with SMTP id z20-20020a05640240d400b0043a82d9d65fso8341868edb.0 for ; Wed, 13 Jul 2022 06:58:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:from:to:cc:references:in-reply-to; bh=/KaBUzMJAb8ELoURf+aDcmgxflG4+mAlNx4MhWPAnms=; b=QedwSaK3UPjWTGcZP5OwcjJZb5aUEumuId3G+id4tmjyMiEaqNClWMw7mk8ZIgR0FT wFpzAMjvIFuGD4N1QqIAn/okuHebsCLAoA+0EKkIn2KcxrOF9xlLRB/9zkf51/47oz0k CsnizZ7AN0NM+Hfueh1EyJLUy1Phb203wPWbxaPsOe8s/WctmApjcGxs1y6mBUH0bNZA QEAxbhnRV0pqE0dIra8xm2WKGzdir4heNpocNIcFFV3e8uaHH+SbXRvY4bWOjsQHAkVC BYhPKINnE6OJVYydUOUQNOi+7S3KobhfySKPEr45ggXEMKN+ZvodvY0mpMZ9ZPDvQGsk ynpw== X-Gm-Message-State: AJIora8K02UU2lPiCcF2dfcLw612Q1YSEIvRkqpAXrY/wafMG8NaupBY hGU16G/i5xfQL/Ox7N1gFxZJw49Ym+HEq2AjxY1eFAqvC7ArLFiISAsJSFvSUB4CrP1nU3ml4FO iQG/y3WfOehQflCU9 X-Received: by 2002:a17:907:9605:b0:6f5:c66:7c13 with SMTP id gb5-20020a170907960500b006f50c667c13mr3718846ejc.66.1657720710394; Wed, 13 Jul 2022 06:58:30 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vMuFzYBhnUEpQjzR0GE0q5vpz83dYF6EUDZYybFG7bY9u68mWywkzQ+aLih1ks9mgLlfrtcg== X-Received: by 2002:a17:907:9605:b0:6f5:c66:7c13 with SMTP id gb5-20020a170907960500b006f50c667c13mr3718821ejc.66.1657720710145; Wed, 13 Jul 2022 06:58:30 -0700 (PDT) Received: from ?IPV6:2001:1c00:c1e:bf00:d69d:5353:dba5:ee81? (2001-1c00-0c1e-bf00-d69d-5353-dba5-ee81.cable.dynamic.v6.ziggo.nl. [2001:1c00:c1e:bf00:d69d:5353:dba5:ee81]) by smtp.gmail.com with ESMTPSA id w21-20020a50fa95000000b0043a8f40a038sm7997545edr.93.2022.07.13.06.58.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Jul 2022 06:58:29 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------LEBEnV2skDghZQRyUOjQNnwZ" Message-ID: <2f32f2f5-2c78-9860-5794-2cfd0a283702@redhat.com> Date: Wed, 13 Jul 2022 15:58:28 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [Regression] ACPI: video: Change how we determine if brightness key-presses are handled Content-Language: en-US From: Hans de Goede To: Ben Greening Cc: stable@vger.kernel.org, regressions@lists.linux.dev, rafael@kernel.org, linux-acpi@vger.kernel.org References: <02190bee-2e1b-bea3-b716-a7c7f5aa2ff0@redhat.com> <3ddcdb24-cab3-509d-d694-edd4ab85df0a@redhat.com> In-Reply-To: <3ddcdb24-cab3-509d-d694-edd4ab85df0a@redhat.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a multi-part message in MIME format. --------------LEBEnV2skDghZQRyUOjQNnwZ Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi again, On 7/13/22 15:29, Hans de Goede wrote: > So I plan to fix this part by adding a quirk to make native the default > on your machine. Can you do: > > sudo dmidecode > dmidecode.txt > > And email me the generated dmidecode.txt (this will contain serialnumbers > so you may want to send it off-list) ? Then I can also prepare a patch > to add a quirk to make native the default on your model. I have found a DMI decode for your model here: https://github.com/linuxhw/DMI/ So I've written the quirk patch (attached) based on that. Please give this a try. With a 5.18.1x kernel with both patches applied, everything should work without needing to specify anything on the kernel commandline. Regards, Hans --------------LEBEnV2skDghZQRyUOjQNnwZ Content-Type: text/x-patch; charset=UTF-8; name="0001-ACPI-video-Use-native-backlight-on-Dell-Inspiron-N40.patch" Content-Disposition: attachment; filename*0="0001-ACPI-video-Use-native-backlight-on-Dell-Inspiron-N40.pa"; filename*1="tch" Content-Transfer-Encoding: base64 RnJvbSAxMmIyYWU2Y2JiMzY4NjBmOTk2YTVjYTM4MmJiMWRkYTQzYTRmYjhiIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBIYW5zIGRlIEdvZWRlIDxoZGVnb2VkZUByZWRoYXQu Y29tPgpEYXRlOiBXZWQsIDEzIEp1bCAyMDIyIDE1OjUzOjA4ICswMjAwClN1YmplY3Q6IFtQ QVRDSF0gQUNQSTogdmlkZW86IFVzZSBuYXRpdmUgYmFja2xpZ2h0IG9uIERlbGwgSW5zcGly b24gTjQwMTAKClRoZSBEZWxsIEluc3Bpcm9uIE40MDEwIGRvZXMgbm90IGhhdmUgQUNQSSBi YWNrbGlnaHQgY29udHJvbCwKc28gYWNwaV92aWRlb19nZXRfYmFja2xpZ2h0X3R5cGUoKSdz IGhldXJpc3RpY3MgcmV0dXJuIHZlbmRvciBhcwp0aGUgdHlwZSB0byB1c2UuCgpCdXQgdGhl IHZlbmRvciBpbnRlcmZhY2UgaXMgYnJva2VuLCB3aGVyZSBhcyB0aGUgbmF0aXZlIChpbnRl bF9iYWNrbGlnaHQpCndvcmtzIHdlbGwsIGFkZCBhIHF1aXJrIHRvIHVzZSBuYXRpdmUuCgpM aW5rOiBodHRwczovL2xvcmUua2VybmVsLm9yZy9yZWdyZXNzaW9ucy9DQUxGPTZqRWU1Rzgr cjFXbzB2dno0R2pOUVFoZGtMVDVwOHVDSG42WlhoZzRuc09Xb3dAbWFpbC5nbWFpbC5jb20v ClJlcG9ydGVkLWFuZC10ZXN0ZWQtYnk6IEJlbiBHcmVlbmluZyA8YmdyZWVuaW5nQGdtYWls LmNvbT4KU2lnbmVkLW9mZi1ieTogSGFucyBkZSBHb2VkZSA8aGRlZ29lZGVAcmVkaGF0LmNv bT4KLS0tCiBkcml2ZXJzL2FjcGkvdmlkZW9fZGV0ZWN0LmMgfCA4ICsrKysrKysrCiAxIGZp bGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9hY3Bp L3ZpZGVvX2RldGVjdC5jIGIvZHJpdmVycy9hY3BpL3ZpZGVvX2RldGVjdC5jCmluZGV4IGJl Y2MxOThlNGMyMi4uNDA5OTE0MGJiZDVmIDEwMDY0NAotLS0gYS9kcml2ZXJzL2FjcGkvdmlk ZW9fZGV0ZWN0LmMKKysrIGIvZHJpdmVycy9hY3BpL3ZpZGVvX2RldGVjdC5jCkBAIC0zNDcs NiArMzQ3LDE0IEBAIHN0YXRpYyBjb25zdCBzdHJ1Y3QgZG1pX3N5c3RlbV9pZCB2aWRlb19k ZXRlY3RfZG1pX3RhYmxlW10gPSB7CiAJCURNSV9NQVRDSChETUlfUFJPRFVDVF9OQU1FLCAi TWFjQm9va1BybzEyLDEiKSwKIAkJfSwKIAl9LAorCXsKKwkgLmNhbGxiYWNrID0gdmlkZW9f ZGV0ZWN0X2ZvcmNlX25hdGl2ZSwKKwkgLyogRGVsbCBJbnNwaXJvbiBONDAxMCAqLworCSAu bWF0Y2hlcyA9IHsKKwkJRE1JX01BVENIKERNSV9TWVNfVkVORE9SLCAiRGVsbCBJbmMuIiks CisJCURNSV9NQVRDSChETUlfUFJPRFVDVF9OQU1FLCAiSW5zcGlyb24gTjQwMTAiKSwKKwkJ fSwKKwl9LAogCXsKIAkgLmNhbGxiYWNrID0gdmlkZW9fZGV0ZWN0X2ZvcmNlX25hdGl2ZSwK IAkgLyogRGVsbCBWb3N0cm8gVjEzMSAqLwotLSAKMi4zNi4wCgo= --------------LEBEnV2skDghZQRyUOjQNnwZ--