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=-6.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 85048C3815B for ; Mon, 20 Apr 2020 17:02:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6146A20CC7 for ; Mon, 20 Apr 2020 17:02:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Vd9Lz2B1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726712AbgDTRCi (ORCPT ); Mon, 20 Apr 2020 13:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725784AbgDTRCi (ORCPT ); Mon, 20 Apr 2020 13:02:38 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ECAB4C061A0C; Mon, 20 Apr 2020 10:02:37 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id e6so112505pjt.4; Mon, 20 Apr 2020 10:02:37 -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=Cf/km2LQ8BGElY96pcJs1P2A0G8KidSr2L1irxTBz1Y=; b=Vd9Lz2B1jj2XWNAbUWpqErWJmkRFVkUd3w1Ob23O+icO9jWUNUKekCIHtXGl2IjHiN iBH4ndbsIdq9FQhHX2n0iM57qhkPRoYneGdeTJiKLIoNzVAeYdfovcUHzqfZ6Bbka+7q K5jD7UFWIsQ52NMqXE1yunlOL1gQIJNYcVS6oddXCREvW0Pf692rMg6W+TiqxLZgTc3U 1fWQHQl2PeBvRPne4wTWb2a5T5Xegg4N9tSChGyiY6hLkUrgGwnFLeTk0fNeIR1IiLZM t5gKY3fNj3m79blQgeLiC9AaaYoRSqFAmbeqG/zMozg3Wy4Fy5wYWl6O0Pq4ZLshfdhA jOQQ== 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=Cf/km2LQ8BGElY96pcJs1P2A0G8KidSr2L1irxTBz1Y=; b=R+2eA0WAHjE+T0POUdQsm0gVqlvsw6unpswjsXv4eS1xbedJb9j/zfsrJZ/+tkh4sI Vr+KJf+5bTyArCEniuCgEjHIuyxCwl8Ml6gP47iU/w1LtE35ghKeDoMLzWiHmintdJlP NexH2UgSN4hpDHDnNfM2OCS7TeBD56XsivUWjArklRQITz1VhYW6x8TfieqpKUK8xw/m hJWRhb+a1YSkX4aDQroIQwGkMfrIMVVooPQM73CfksEZBevTnltj2Zmqe+jHSaCEcfEG H78CUj7r9VUhAf+eHBDVL6CBdukoUjIZQ5TRS9ZVUjLB9vNGlg1xc8pqZXy0vhForB72 zMHg== X-Gm-Message-State: AGi0PuZqyT6ab30roCkiPMmjLT/uJVzaKo/cHSYCfMMVDdqZWwYLAAss rSOqBCiAK6xjY0OLafRcoSo= X-Google-Smtp-Source: APiQypJsOMwi9kxH31+fLd1mo8hyYXlQEaTlSj0eOliud4MPlGzjybo99gD+IhUSl1UgTRnU4WsRYQ== X-Received: by 2002:a17:902:fe06:: with SMTP id g6mr6883670plj.6.1587402157298; Mon, 20 Apr 2020 10:02:37 -0700 (PDT) Received: from dtor-ws ([2620:15c:202:201:3c2a:73a9:c2cf:7f45]) by smtp.gmail.com with ESMTPSA id d7sm23673pfa.106.2020.04.20.10.02.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2020 10:02:36 -0700 (PDT) Date: Mon, 20 Apr 2020 10:02:34 -0700 From: Dmitry Torokhov To: Kevin Locke Cc: linux-input@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] Input: i8042 - add ThinkPad S230u to i8042 nomux list Message-ID: <20200420170234.GN166864@dtor-ws> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Mon, Apr 20, 2020 at 10:37:15AM -0600, Kevin Locke wrote: > On the Lenovo ThinkPad Twist S230u (3347-4HU) with BIOS version > "GDETC1WW (1.81 ) 06/27/2019", whether booted in UEFI or Legacy/CSM mode > the keyboard, Synaptics TouchPad, and TrackPoint either do not function > or stop functioning a few minutes after boot. This problem has been > noted before, perhaps only occurring on BIOS 1.57 and > later.[1][2][3][4][5] > > This model does not have an external PS/2 port, so mux does not appear > to be useful. > > Odds of a BIOS fix appear to be low: 1.57 was released over 6 years ago > and although the [BIOS changelog] notes "Fixed an issue of UEFI > touchpad/trackpoint/keyboard/touchscreen" in 1.58, it appears to be > insufficient. > > Adding 33474HU to the nomux list avoids the issue on my system. > > [1]: https://bugs.launchpad.net/bugs/1210748 > [2]: https://bbs.archlinux.org/viewtopic.php?pid=1360425 > [3]: https://forums.linuxmint.com/viewtopic.php?f=46&t=41200 > [4]: https://forums.linuxmint.com/viewtopic.php?f=49&t=157115 > [5]: https://forums.lenovo.com/topic/findpost/27/1337119 > [BIOS changelog]: https://download.lenovo.com/pccbbs/mobiles/gduj33uc.txt > > Signed-off-by: Kevin Locke > Cc: stable@vger.kernel.org Applied, thank you. > --- > drivers/input/serio/i8042-x86ia64io.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h > index 08e919dbeb5d..5bbc9152731d 100644 > --- a/drivers/input/serio/i8042-x86ia64io.h > +++ b/drivers/input/serio/i8042-x86ia64io.h > @@ -541,6 +541,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { > DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"), > }, > }, > + { > + /* Lenovo ThinkPad Twist S230u */ > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), > + DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"), > + }, > + }, > { } > }; > > -- > 2.26.1 > -- Dmitry