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

[Hui Wang]

On 2019/6/17 äå3:49, Pali RohÃr wrote:
> On Monday 17 June 2019 01:29:17 Xiaoxiao Liu wrote:
> > Hi Pali,
> >
> > Since design architecture change of CS19, input device connection has been changed to below architecture,
> > Touchpad has been moved to I2C connection.
> >
> >    kernel/host  <--PS/2-->  EC  <--PS/2-->  external PS/2 mouse
> >             |                 |
> >             |                <--PS/2-->  trackstick
> >                 |
> >                  <--I2C-->  Touchpad
> Hi, thank you for explanation!
>
> So in our case, ALPS device should not be put into passthrough mode as
> there is no device after it.
>
> > In the past TrackPoint does not show in the device list because of TrackPoint was hidden device of Touchpad.
> > But from CS19, TrackPoint is directly connecting with PS2 port,
> > 3 bytes packet does not need to take affect by other vendors Touchpad format.
> > So alps.c is no need for CS19 device.
> So if trackpoint.c driver is working fine with this configuration, it is
> just needed to instruct alps.c to not take this device.

Hello Pali,

When you have time, could you take a look at the patch of v4? It is 
implemented according to our discussion.

Thanks,

Hui.


> > Best Regards
> > Shona
> > -----éäåä-----
> > åää: Pali RohÃr <pali.rohar@xxxxxxxxx>
> > åéæé: Wednesday, June 12, 2019 1:39 AM
> > æää: dmitry.torokhov@xxxxxxxxx
> > æé: Hui Wang <hui.wang@xxxxxxxxxxxxx>; å ææ Xiaoxiao Liu <xiaoxiao.liu-1@xxxxxxxxxxx>; XiaoXiao Liu <sliuuxiaonxiao@xxxxxxxxx>; peter.hutterer@xxxxxxxxx; 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>