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476e1cedae
Set the PD protocol last state to hard reset when executing a hard reset. This fixes a bug in which if we receive a hard reset while in one of the hard reset recovery states the last state doesn't change, which means we don't restart timeout periods and it is possible to be indefinitely stuck in the hard reset recovery state until PD MCU reboots. BUG=none BRANCH=samus TEST=when connecting samus port 0 to port 1 we get a very crappy PD connection and about 1 in 5 times it causes us to get stuck in SNK_HARD_RESET_RECOVER until a reboot. with this fix, we never get stuck. Change-Id: I294462ffa56a804ca613535ab9bdc466175f8066 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/241871 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