On Wed, May 31, 2017 at 02:42:04PM +1000, Peter Hutterer wrote:
> On Mon, May 29, 2017 at 12:45:01PM +0100, Oscar Campos wrote:
> > Trackpoint buttons detection fails on ThinkPad 570 and 470 series,
> > this makes the middle button of the trackpoint to not being recogized.
> > As I don't believe there is any trackpoint with less than 3 buttons this
> > patch just assumes three buttons when the extended button information
> > read fails.
>
> I vaguely remember there may have been one at some point, but I can't
> remember which model it was in (not a Lenovo anyway). This approach seems
> sensible, but I worry about it papering over potential bugs (missing
> support).
>
> still, Acked-by: Peter Hutterer <peter.hutterer@xxxxxxxxx>
Applied, thank you.
>
> Cheers,
> Peter
>
> >
> > Cc: linux-input@xxxxxxxxxxxxxxx
> > Signed-off-by: Oscar Campos <oscar.campos@xxxxxxxxxxxxxx>
> > ---
> > drivers/input/mouse/trackpoint.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
> > index 922ea02edcc3..20b5b21c1bba 100644
> > --- a/drivers/input/mouse/trackpoint.c
> > +++ b/drivers/input/mouse/trackpoint.c
> > @@ -380,8 +380,8 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
> > return 0;
> >
> > if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) {
> > - psmouse_warn(psmouse, "failed to get extended button data\n");
> > - button_info = 0;
> > + psmouse_warn(psmouse, "failed to get extended button data, assuming 3 buttons\n");
> > + button_info = 0x33;
> > }
> >
> > psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
> > --
> > 2.13.0
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-input" in
> > the body of a message to majordomo@xxxxxxxxxxxxxxx
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> >
--
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
