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SubjectRe: [PATCH 2/2] tsc2007: make platform callbacks optional
On Tue, 23 Jun 2009 13:54:54 +0200
Richard R__jfors <richard.rojfors.ext@mocean-labs.com> wrote:

> The platform callbacks are only called if supplied. Makes the driver
> to fallback on only pressure calculation to decide when the pen is up.
>

Again, I don't understand the reason for the change from the above
description.

Is there some driver in the tree which does not implement
->get_pendown_state()? If so, it will oops, won't it? Which driver is
that?

Or is there some other driver which you're developing which does not
implement ->get_pendown_state()?

If the latter, why should the problem be solved in this way, rather
than implementing an empty ->get_pendown_state() within that driver?

etc. More details, please.


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