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The case closed debugging feature is using the USB controller, so it needs to disable the low power STOP mode of the MCU which is incompatible with USB communication. As the possibility of doing PD communication when a PD debug accessory is plugged "re-appeared", just set/use the USB_PD sleep disable bit with the debug accessory rather than creating a new one. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=smaug BUG=chrome-os-partner:41399 TEST=on Ryu, connect to the EC console through Suzy-Q and issue the "apshutdown" command, then see the EC USB console is still alive. Change-Id: I8668b28220202ce6419f18cff13d57d410e3e9f3 Reviewed-on: https://chromium-review.googlesource.com/277116 Reviewed-by: Alec Berg <alecaberg@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit