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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 864CEC433E1 for ; Mon, 1 Jun 2020 18:56:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 570D4206C3 for ; Mon, 1 Jun 2020 18:56:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591037800; bh=fdjg3WSVYtxBn3QT4as0cSFEN35TCejYjnX3bfS/FLU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=b1qYwB0jkJDqkbChDHQOgXYh2lOuoMeoYbRx3zW/yWtK9JEtRgYud+I6IGjcfDfSk Apq/sxyzHwOCE1t9vbLS/52d03N0mcRqxtI2Z4re9Y+qc29O2tDaL/6m9FxY9tRulv Ch5i3PMo+vKHWQfiJqKj+uDR+r2WzU8toSnWILvQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728214AbgFAS4j (ORCPT ); Mon, 1 Jun 2020 14:56:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:43230 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729646AbgFASAc (ORCPT ); Mon, 1 Jun 2020 14:00:32 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8C8C7206E2; Mon, 1 Jun 2020 18:00:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034432; bh=fdjg3WSVYtxBn3QT4as0cSFEN35TCejYjnX3bfS/FLU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=x+z9bGKUN7JVmTtLmoMs3B77CCRVkulFcjo36maPte9h9FANUXgdpVfxd9x5icPd4 UINiy3pHsagHXJc9YReJxGMjmLmDfZ74zUL+GFMaxpdv4+q8IO1iRwy9okTcqa+r/I vEH9t+tx7qCFgPUbHO+mwVzPVe9+pDd61YqDU/sg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kevin Locke , Dmitry Torokhov , Sasha Levin Subject: [PATCH 4.14 29/77] Input: i8042 - add ThinkPad S230u to i8042 reset list Date: Mon, 1 Jun 2020 19:53:34 +0200 Message-Id: <20200601174021.837550551@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174016.396817032@linuxfoundation.org> References: <20200601174016.396817032@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kevin Locke [ Upstream commit 2712c91a54a1058d55c284152b4d93c979b67be6 ] On the Lenovo ThinkPad Twist S230u (3347-4HU) with BIOS version "GDETC1WW (1.81 ) 06/27/2019", 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 with BIOS 1.57 and later.[1][2][3][4][5] 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. Setting i8042.reset=1 or adding 33474HU to the reset list avoids the issue on my system from either warm or cold boot. [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 Link: https://lore.kernel.org/r/94f384b0f75f90f71425d7dce7ac82c59ddb87a8.1587702636.git.kevin@kevinlocke.name Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- 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 8bf38eded1ef..ad357f79c7d6 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -673,6 +673,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"), }, }, + { + /* Lenovo ThinkPad Twist S230u */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"), + }, + }, { } }; -- 2.25.1