I tested version 4 of the patch series on a custom design and I saw
also the jumps as described by Richard. I played a little with the
sample delay and it got better but I couldn't completely remove the
jumps.
The other issue I had with version 3, the pen_ups during the busy
loop, is solved. I experienced some pen_up misses during the busy loop
if I used a too high sample delay, without the sample delay it was ok.

Thanks,
Hannes

2014-11-21 14:10 GMT+01:00 Richard Cochran [off-list ref]:

On Fri, Nov 21, 2014 at 05:40:12PM +0530, Sekhar Nori wrote:

quoted

Not sure how to reproduce the jumping on pen-up.

Does the cursor stay in exactly the same spot when you lift up the
stylus? Then you don't have the issue.

On the BB white using the LCD4 cape and the shipped debian kernel, the
cursor *does* jump away, but not as often or as far as on the custom
design I was working with.

Thanks,
Richard
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