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909c3236de
Fix bug in which output was disabled on down voltage transitions. This also changes the behavior of the OVP protection. On down-step transitions, the OVP threshold is not lowered for a specified amount of time after the transition to allow the output to dissipate down to the new voltage. This will still catch a problem if the voltage goes up instead of down, but avoid OVPing immediately on a normal down transition. BUG=chrome-os-partner:30389 BRANCH=none TEST=Attach to firefly and probe output voltage. Make sure we transition smoothly going down in voltage. Change-Id: I7f3a0c17cc8b392a25d24d56d2b7155b806acb64 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/209863