Input: bfin_rotary - introduce open and close methods
Input: bfin_rotary - introduce open and close methods

Introduce open and close methods for the input device to postpone enabling
the device until it is needed.

Acked-by: Sonic Zhang <c93d368f28096020dd845c4879a931e9d13ab23f@analog.com>
Signed-off-by: Dmitry Torokhov <6b8646d310837fed93a129ed3c979b90c7f2674f@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs