tree 1acf85295fa41c0171b7c48f18ab574ac21feaac
parent e2cc63fd10df81c559aec99d595fa3323742fb83
author Ruchi Kandoi <kandoiruchi@google.com> 1428532949 -0700
committer Dmitry Shmidt <dimitrysh@google.com> 1485553915 -0800

ANDROID: wakeup: Add last wake up source logging for suspend abort reason.

There is a possibility that a wakeup source event is received after
the device prepares to suspend which might cause the suspend to abort.

This patch adds the functionality of reporting the last active wakeup
source which is currently not active but caused the suspend to abort reason
via the /sys/kernel/power/last_wakeup_reason file.

Change-Id: I1760d462f497b33e425f5565cb6cff5973932ec3
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>