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A resume from deep sleep looks a lot like a cold boot, but there are some registers that need updating quickly. We need to disable the settings that triggered deep sleep so that it isn't accidentally invoked again, and we need to unfreeze any modules or pins that were frozen during the deep sleep. BUG=chrome-os-partner:49955 BRANCH=none TEST=make buildall; test on Cr50 Since we aren't yet triggering deep sleep, this doesn't do anything noticeable, which is the point. It shouldn't have any effect unless we are entering deep sleep and DON'T do this when it resumes. FWIW, I have tested that too, but it's coming in a later CL. Change-Id: I4b32fd2e24fe089d3f659154df26d275b41b4c1b Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/336450 Reviewed-by: Randall Spangler <rspangler@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