input: touchscreen: hxchipset: suspend touch only when it's connected
Do nothing during device suspend when no touch IC is connected;
Touch IC HW reset when device resume.
Change-Id: I5c9d68ed441a7394c7b04981afb763568925aae3
Signed-off-by:
Fei Mao <feim1@codeaurora.org>
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