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635a57eede
The ACOK input to the EC is not connected to the charger so that signal cannot be relied on for AC presence. Instead have the PD report when it negotiates to 20V and when it disconnects and have the EC use that for AC presence. BUG=chrome-os-partner:29841 BRANCH=none TEST=test charging with zinger on samus system. Change-Id: Ia9096a24ab05d110e31910218dc8c214a846a9a4 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/205145 Reviewed-by: Bill Richardson <wfrichar@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit