Re: Trackpoint on Thinkpad X1 Carbon (5th gen)

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, Jun 06, 2017 at 10:41:54AM -0700, Dmitry Torokhov wrote:
> On Tue, Jun 06, 2017 at 09:49:09AM +0200, Benjamin Tissoires wrote:
> > Damjan, would you mind trying the following change:
> > diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c
> > index 77dad04..ad71a5e 100644
> > --- a/drivers/input/rmi4/rmi_f03.c
> > +++ b/drivers/input/rmi4/rmi_f03.c
> > @@ -146,7 +146,7 @@ static int rmi_f03_register_pt(struct f03_data *f03)
> >         if (!serio)
> >                 return -ENOMEM;
> >  
> > -       serio->id.type = SERIO_8042;
> > +       serio->id.type = SERIO_PS_PSTHRU;
> 
> No, you do not want to do this. psmouse-base has more logic than just
> selecting protocols to probe keyed off SERIO_PS_PSTHRU.

Actually, you are right, it will work, since psmouse-base.c also checks
if serio has a parent before activating/deactivating passthrough logic,
and F03-backed serio port will not have a serio parent.

Thanks.

-- 
Dmitry