Initial import: sweep2wake
s2w: Register power key input device

-sweep2wake resumes from sleep my simulating a power key press.
It needs the power key input device to do this.
s2w: adjust tuneables
s2w: bt404_ts - plug in the touchscreen.

-hooking the sweep detection method for sweep2wake and clear some
vars for it at appropriate times.
s2w: add to defconfig
Revert "s2w: Register power key input device"

Wrong one...

This reverts commit eeb48a4bfb09a31d375ab9a5a7420317e7075535.
s2w: Register the CORRECT input device..

-My previous commit was the wrong keys...
s2w: reset barriers and stop suspend
s2w: add sysfs interface for enable/disable.

-See notes in code.
s2w: add wake lock.

-sweep2wake does not seem to work in deep sleep so I had to implement
a wakelock.
s2w: add wakelock to defconfig