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Add NoResponseTimer to go to disconnected state after some number of hard resets with the port partner non-responsive. This only takes affect when the port partner is known to be PD capable, i.e. has sent us PD communications in the past. This is useful as a last resort to attempt to restore PD communications with a port partner. BUG=chrome-os-partner:34976 BRANCH=samus TEST=load onto two samus', connect with C to C cable, and let them form a PD contract, then on one side disable PD comms with "pd enable 0" and from the other side initiate some PD traffic, such as "pd 1 soft". See that the side with PD communications enabled sends two hard resets and then goes to disconnected state, then goes to discovery state and acts as if a non-PD capable device is attached. Change-Id: Id40ce7eb05b8b7ae6a4f70b9d08ce6cad0d471fe Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/238300 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