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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6EE17C4321A for ; Tue, 11 Jun 2019 04:32:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4276620820 for ; Tue, 11 Jun 2019 04:32:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729010AbfFKEcx (ORCPT ); Tue, 11 Jun 2019 00:32:53 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:34017 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726146AbfFKEcx (ORCPT ); Tue, 11 Jun 2019 00:32:53 -0400 Received: from [125.35.49.90] (helo=[10.0.0.22]) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1haYSj-0002Mb-1L; Tue, 11 Jun 2019 04:32:45 +0000 Subject: =?UTF-8?B?UmU6IOetlOWkjTog562U5aSNOiDnrZTlpI06IFtQQVRDSF0gaW5wdXQ6?= =?UTF-8?Q?_alps-fix_the_issue_alps_cs19_trackstick_do_not_work=2e?= From: Hui Wang To: Xiaoxiao Liu , =?UTF-8?Q?Pali_Roh=c3=a1r?= Cc: XiaoXiao Liu , "dmitry.torokhov@gmail.com" , "peter.hutterer@who-t.net" , "linux-input@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Xiaojian Cao , "zhangfp1@lenovo.com" , Naoki Saito , Hideo Kawase References: <20190527094422.7558-1-sliuuxiaonxiao@gmail.com> <20190527100913.sgxrjrmphsjfmcdb@pali> <20190528071824.jimhixhtsynzwixe@pali> <20190610104310.qa5snt7jpcljodfv@pali> Message-ID: <5587ddb9-fb5f-03db-ac11-a696c85c5f2f@canonical.com> Date: Tue, 11 Jun 2019 12:32:33 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/6/11 上午11:23, Hui Wang wrote: > On 2019/6/11 上午11:05, Xiaoxiao Liu wrote: >> Hi Pali, >> >> I discussed with our FW team about this problem. >> We think the V8 method means a touchpad feature  and does not fit the >> CS19 trackpoint device. >> CS19 TrackPoint needn't  use any Absolute (Raw) mode and is usually >> use standard mouse data. >> CS19 TrackPoint device is a completely different device with >> DualPoint device of Dell/HP. >> CS19 TrackPoint device is independent  of Touchpad. (Touchpad is >> connecting by I2C, TrackPoint is directly connecting with PS2 port.) >> And it has completely another FW. >> >> So we think it is better to use the mouse mode for CS19 trackpoint. > > Maybe here is some mis-understanding,  the mouse mode here doesn't > mean we use psmouse-base.c for cs19 (bare ps/2 mouse), we plan to use > trackpoint.c to drive this HW, so this trackpoint has all features a > trackpoint should have. > And I sent a patch one month ago to let the the trackpoint.c to drive this HW: https://www.spinics.net/lists/linux-input/msg61341.html, maybe that patch is reference. > Regards, > > Hui. > >> >> Best Regards >> Shona >> -----邮件原件----- >> 发件人: Pali Rohár >> 发送时间: Monday, June 10, 2019 6:43 PM >> 收件人: 劉 曉曉 Xiaoxiao Liu >> 抄送: XiaoXiao Liu ; >> dmitry.torokhov@gmail.com; peter.hutterer@who-t.net; >> hui.wang@canonical.com; linux-input@vger.kernel.org; >> linux-kernel@vger.kernel.org; 曹 曉建 Xiaojian Cao >> ; zhangfp1@lenovo.com; 斉藤 直樹 Naoki Saito >> ; 川瀬 英夫 Hideo Kawase >> >> 主题: Re: 答复: 答复: [PATCH] input: alps-fix the issue alps cs19 >> trackstick do not work. >> >> On Monday 10 June 2019 10:03:51 Xiaoxiao Liu wrote: >>> Hi Pali, >> Hi! >> >>> We register our CS19 device as ALPS_ONLY_TRACKSTICK device. >>> And let the V8 protocol function support the process of >>> ALPS_ONLY_TRACKSTICK device. >>> >>> I want to confirm if this solution OK? >> Yes, it is fine. Just make sure that touchapad input device is not >> registered when this ALPS_ONLY_TRACKSTICK flag is set. So userspace >> would not see any fake/unavailable touchpad input device. >> >>> Xiaoxiao.Liu >> -- >> Pali Rohár >> pali.rohar@gmail.com