On Tuesday 11 June 2019 12:32:33 Hui Wang wrote: > 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. So instead of creating blacklist, you should check for TP_VARIANT_ALPS in alps.c and disallow its usage. Or maybe better, move trackpoint.c detect code before alsp.c detect code in psmouse-base. And no changes in alps.c are needed. > > Regards, > > > > Hui. > > > > > > > > Best Regards > > > Shona > > > -----邮件原件----- > > > 发件人: Pali Rohár <pali.rohar@xxxxxxxxx> > > > 发送时间: Monday, June 10, 2019 6:43 PM > > > 收件人: 劉 曉曉 Xiaoxiao Liu <xiaoxiao.liu-1@xxxxxxxxxxx> > > > 抄送: XiaoXiao Liu <sliuuxiaonxiao@xxxxxxxxx>; > > > dmitry.torokhov@xxxxxxxxx; peter.hutterer@xxxxxxxxx; > > > hui.wang@xxxxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; > > > linux-kernel@xxxxxxxxxxxxxxx; 曹 曉建 Xiaojian Cao > > > <xiaojian.cao@xxxxxxxxxxx>; zhangfp1@xxxxxxxxxx; 斉藤 直樹 Naoki > > > Saito <naoki.saito@xxxxxxxxxxxxxx>; 川瀬 英夫 Hideo Kawase > > > <hideo.kawase@xxxxxxxxxxxxxx> > > > 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@xxxxxxxxx -- Pali Rohár pali.rohar@xxxxxxxxx
