input: atmel_mxt_ts: Report pressure as 0 upon MXT release event

Correct event where touch is released but nonzero pressure is
reported by controller.  If there is no touch, pressure should
be reported to Android as zero.

Change-Id: I1865e69faa57bf5cf34325622c3b7170ceaf4654
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
1 file changed