Revert "Input: Send events one packet at a time"

This reverts commit 6f6e443f65763d6628534d0c70085afa35b44cef.
touch: sync sweep2wake and dt2wake to @showp1984's latest driver

Thanks to @showp1984 for his original s2w and dt2w contributions!

Signed-off-by: Paul Reioux <reioux@gmail.com>