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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 7C126C04FF3 for ; Mon, 24 May 2021 16:57:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 56CAB6140A for ; Mon, 24 May 2021 16:57:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233293AbhEXQ7E (ORCPT ); Mon, 24 May 2021 12:59:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232543AbhEXQ7D (ORCPT ); Mon, 24 May 2021 12:59:03 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D651C061574 for ; Mon, 24 May 2021 09:57:35 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id ot16so13244442pjb.3 for ; Mon, 24 May 2021 09:57:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=9I/XsWMXtMz+ESX3VQ352Y8Vwzp8BXAC9/WFX8h7XFQ=; b=DkyjsnS33dRajUucO/2OLqylCtXHhJJl7rzSTdhTe42xHVOILcx/mhuXAgVXBxdpr8 YnD6Av/mayyMJcSKhRv/5+ulWeUmsLvEPd9hkLnLleNVOszBGT24/0Kmz7ZPDDZ5e7uC lh99K/w/COLVdRF34BBQSUoRj49D0oqLUgXoM3EuvFwYRx8MJvB5KfiK9BCINZCtpofp C3k1dZCQ4uja7JAWKxlOnuUKEl0o0v/CwCdl9MqCWoeKZDAuCDguwhYMIwkoJzvfafBY he3VZ9hV3wjQ4nDUOP4fak2xh39hsyFv7l1sFTVErXucAliYL5v1BF692yGeMhR0WpRr xOEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=9I/XsWMXtMz+ESX3VQ352Y8Vwzp8BXAC9/WFX8h7XFQ=; b=mKVCzuxGnHGu9R8yYG+cIaO5NTrmrStyi9bA7oL8cXxJm8+SjBTk1wloudETh4WbXM dX/Urc3fLPn3D+cRaYSIvYscXUdxwlCpJY/N15DHdInEUTDzNdyScAuDz4wdJGU/TuLj WIyyP9qXCyYgx++E7MDLhubFFdVqlnLpq/CWXr6MFg3W5H40MGqbzoOkL6Q3JOeKohFe BZEGgabu3Q6XQDIxQ7HuA78VZU120fFm5/i2p2L/ozAlR2GDIaZ+NLdhuOEtZBabTPH+ tLqc4IHc6GJMh0jAQ5mHjoX5+IkLOVViXggUkCzc5NHIwpq12aL7PxaA/jQ7aswMJW0Q 9rfw== X-Gm-Message-State: AOAM532Pj70yhFq8O299u/GhkW0MTZX8diBxPletRMxVg0fqoQJowyde h2GUTWHuGsWhZHq8WjkvA7bfs4vmRpY= X-Google-Smtp-Source: ABdhPJyly7f5lInSaS6eHW99Ag3skprOJUULGglVOT/QJqumQDGAwV5+wFmCuyxMwq9V+lAwxpDBUQ== X-Received: by 2002:a17:903:3046:b029:ee:f24a:7517 with SMTP id u6-20020a1709033046b02900eef24a7517mr26590519pla.17.1621875454646; Mon, 24 May 2021 09:57:34 -0700 (PDT) Received: from google.com ([2620:15c:202:201:870d:a395:9098:674]) by smtp.gmail.com with ESMTPSA id q196sm11820818pfc.208.2021.05.24.09.57.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 May 2021 09:57:33 -0700 (PDT) Date: Mon, 24 May 2021 09:57:31 -0700 From: Dmitry Torokhov To: Nico Schottelius Cc: linux-input@vger.kernel.org Subject: Re: Regression in Elan Touchpad driver / Linux 5.12 Message-ID: References: <87eedw5ptw.fsf@ungleich.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87eedw5ptw.fsf@ungleich.ch> Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Hi, On Mon, May 24, 2021 at 01:38:06PM +0200, Nico Schottelius wrote: > > Hello, > > since migrating to Linux 5.12, the Elan touchpad stopped working for > me. I created a bug report on > https://bugzilla.kernel.org/show_bug.cgi?id=213093 > 2but I am not sure whether that reached anyone here. > > The symptom is that when running 5.12, the touchpad does not show up. > > I tested so far with 5.12.3, 5.12.4 and 5.12.6, all behave the same, > latest dmesg output on 5.12.6 does not show the touchpad driver loading, > only the one for the trackpoint: > > [13:35] nb3:~% dmesg| grep -i elan > [ 11.845386] psmouse serio1: trackpoint: Elan TrackPoint firmware: 0x62, buttons: 3/3 > [ 11.857853] input: TPPS/2 Elan TrackPoint as /devices/platform/i8042/serio1/input/input23 > [13:35] nb3:~% > > The hardware I am using is an Lenovo X1 nano, however other people also > reported this problem before. > > If there is anything I can do to debug this, any pointer would be > appreciated. Do you have i2c-hid-acpi module enabled? Thanks. -- Dmitry