Input: wacom_w8001 - implement open and close
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 24 Aug 2011 05:57:00 +0000 (22:57 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Wed, 24 Aug 2011 06:07:47 +0000 (23:07 -0700)
Implement open() and close() methods for the input device so that we
do not start the device unless there are users listening to the events.

Acked-by: Chris Bagwell <chris@cnpbagwell.com>
Tested-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

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