Files
OpenCellular/include
Tom Wai-Hong Tam 548e4d9708 cheza: Support confirmation of power lost
Keep the timestamp of the latest power lost. Add a handler to wake
the chipset task to check if power lost stays low for a while (the
time between now and the latest power lost is longer than a period).

BRANCH=none
BUG=b:78455067
TEST=Toggle EC GPIO SYS_RST_L for a low pulse to execute PMIC reset
sequence and verified AP reset but not a transition S0 -> S5.
TEST=Toggle EC GPIO PMIC_KPD_PWR_ODL and SYS_RST_L for a low pulse
(see power_off function) to execute PMIC shutdown sequence and verified
a power-lost transition S0 -> S5.

Change-Id: I8ed789d701e834195865bfdf2d302388d42618d2
Signed-off-by: Tom Wai-Hong Tam <waihong@google.com>
Signed-off-by: Alexandru M Stan <amstan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1028831
Commit-Ready: Wai-Hong Tam <waihong@google.com>
Tested-by: Wai-Hong Tam <waihong@google.com>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2018-05-08 13:17:14 -07:00
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