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If board selects both CONFIG_BATTERY_CRITICAL_SHUTDOWN_CUT_OFF and CONFIG_HIBERNATE, then CONFIG_BATTERY_CRITICAL_SHUTDOWN_CUT_OFF should be given higher preference when deciding what action to take in case of critical battery. This is necessary on boards where components like H1 chip could be consuming more power than is healthy when the battery is already critically low, depleting it to dangeriously low voltage levels faster than it should. (Reference: https://chromium-review.googlesource.com/582543) BUG=b:64460667 BRANCH=None TEST=Manual testing to ensure that EC cuts off battery when it is critically low instead of hibernating on soraka. Change-Id: I6efacd7206199ca19f1073296b113b6cf18ec655 Signed-off-by: Duncan Laurie <dlaurie@google.com> Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/605014 Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly