Comment 18 for bug 633225

On 10/11/2010 10:16 AM, tob wrote:

> I've been following the xorg-devel mailing list, but I don't know how to
> jump in on a particular thread. I don't see the same finger movement
> tracking behavior that Chase described in my clickpad. Here is the way
> that I see it: The finger that has the greatest Y value is always
> reported in the non-multitouch packet. This becomes a problem if the
> fingers move so that the finger with the greatest Y value drops below
> the other finger. The 2nd finger's Y coordinate is immediately switched
> from the multitouch packet to the non- multitouch packet.
> Interestingly, the X coordinates do not follow the Y coordinates, so you
> end up with each fingers X and Y coordinates split between the
> multitouch and non-multitouch packets.
>

Do you mean like the coordinates of a rectangle, that the two points reported
are in fact the lower-left and upper-right corners of a rectangle? We have seen
this on other hardware as well, unfortunately.