From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hui Wang Subject: =?UTF-8?B?UmU6IOetlOWkjTog562U5aSNOiDnrZTlpI06IFtQQVRDSF0gaW5wdXQ6?= =?UTF-8?Q?_alps-fix_the_issue_alps_cs19_trackstick_do_not_work=2e?= Date: Tue, 11 Jun 2019 12:32:33 +0800 Message-ID: <5587ddb9-fb5f-03db-ac11-a696c85c5f2f@canonical.com> References: <20190527094422.7558-1-sliuuxiaonxiao@gmail.com> <20190527100913.sgxrjrmphsjfmcdb@pali> <20190528071824.jimhixhtsynzwixe@pali> <20190610104310.qa5snt7jpcljodfv@pali> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-input@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