[PATCH] fix-last_issued-ts_filter_median.patch

Nelson Castillo nelsoneci at gmail.com
Sat Nov 29 17:34:27 CET 2008

On Sat, Nov 29, 2008 at 4:42 AM, Andy Green <andy at openmoko.com> wrote:
> Hash: SHA1
> Somebody in the thread at some point said:
> |> - We should omit the last point before the UP event but I think this
> |>  belongs to user-space.  I'm programming a tslib filter ("skip") and
> |>  if it doesn't work will I'll send a patch later to skip the last
> |>  point in the driver.
> | nhead is 0 because we're already ignoring the first point in the
> | driver. Perhaps it should be done in user space... I don't know what's
> | best.
> My take on it is why should the kernel send junk to userspace to clean
> if it knows it is junk: tslib itself seems like it should go from that
> point of view.  There are also practical problems coordinating the
> multiple userspaces and kernel possibilities.
> But, if it's working...

I'll send a patch on Monday porting the filter to the driver. I think
it's safe to have it there.

Would you prefer it to be in the same driver or shall we do "output
filters" for touchscreen events in separate files?

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