Re: çå: çå: çå: [PATCH] input: alps-fix the issue alps cs19 trackstick do not work.

[Hui Wang]

On 2019/6/11 äå11:23, Hui Wang wrote:
> On 2019/6/11 äå11:05, 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
> > -----éäåä-----
> > åää: Pali RohÃr <pali.rohar@xxxxxxxxx>
> > åéæé: Monday, June 10, 2019 6:43 PM
> > æää: å ææ Xiaoxiao Liu <xiaoxiao.liu-1@xxxxxxxxxxx>
> > æé: XiaoXiao Liu <sliuuxiaonxiao@xxxxxxxxx>; 
> > dmitry.torokhov@xxxxxxxxx; peter.hutterer@xxxxxxxxx; 
> > hui.wang@xxxxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; 
> > linux-kernel@xxxxxxxxxxxxxxx; æ æå Xiaojian Cao 
> > <xiaojian.cao@xxxxxxxxxxx>; zhangfp1@xxxxxxxxxx; æè çæ Naoki Saito 
> > <naoki.saito@xxxxxxxxxxxxxx>; åç èå Hideo Kawase 
> > <hideo.kawase@xxxxxxxxxxxxxx>
> > äé: Re: çå: çå: [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 RohÃr
> > pali.rohar@xxxxxxxxx