ef43639219
Add a driver to control the battery alarm module of PMIC PM8xxx devices. This module uses a pair of comparators to determine when battery under and over-voltage take place. A wakeup interrupt is triggered in these cases which can then run any notifiers which have been registered. Also add APIs to configure the threshold voltages and the frequency at which the hardware checks the state of the battery voltage. Change-Id: Id0b82f9090b29ce743b5e0faac17853c94111771 Signed-off-by: David Collins <collinsd@codeaurora.org>