On Mon, Mar 8, 2010 at 10:57 PM, Ping Cheng <pingli...@gmail.com> wrote:
> Hi Chris,
>
> I see your point.  But I need to get in touch with kernel input tree
> maintainer to see what's they think.  This may take some time. So, your
> patchset will not be considered in -11 since I am planning, I used this
> phrase more than once :(, to post it soon.
>

I'm assuming if the kernel input people saw my last patch they would
have immediately seen the basic issue and said it should be
resubmitted using multi-touch interface; since our issue was why MT
interface was created. They probably won't make the connection if they
see the "+ idx" item by itself though.

> Did you test your patch (I guess you did :)?  How good it is, comparing to
> the old one?

Yes, its working nicely with xf86-input-wacom+patches.  It, of course,
fixes the lost data problems.  It also added a nice bit of
predictability on X side.  Its nice to always know you'll get finger 1
data right before finger 2 data; since it bypasses kernel filtering.

Please also consider this for Tablet PC as well.  I can write the
patch but would need your help on testing part.

It would be nice to align all multi-touch in kernel side at once
because right now I've support for old-and-new way on X side and it
makes the code not read as nice as it could.  I'll send a patch with
this support soon so you can see what xdrv changes would be needed.

As an added bonus, these USB wacom tablet PCs would probably then be
ready to work with those experimental multi-touch X drivers you see on
utube (looks like they have a daemon that splits 1 multi-touch
/dev/input/event? into multiple single touch /dev/input/event? or
something similar and then make use of MXP).  I've not tried it yet on
touchpad since it would be no different then MXP and mouse+touchpad.

Chris

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