Input: tsc2007 - make get_pendown_state platform callback optional
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 5 Aug 2009 05:07:26 +0000 (22:07 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 5 Aug 2009 05:35:34 +0000 (22:35 -0700)
In cases when get_pendown_state callback is not available have
the driver to fallback on pressure calculation to determine if
the pen is up.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

No differences found