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)
commitd570e9ef84e559b09e729f27f5381b6868f6cc5f
tree970edd1959e4042ea0e04d39a969f818155867e0
parent9e3b25837a20f4d48fef57b0cb8bf750a8cfa8e2
Input: tsc2007 - make get_pendown_state platform callback optional

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>
drivers/input/touchscreen/tsc2007.c