Add hot key detection for alt + volume down + 0|1|2 to set the
charging port by sending the charge override command to PD MCU.
This should be removed once hot-keys (or some other UI) is added
to higher layers.
BUG=chrome-os-partner:34850
BRANCH=samus
TEST=load onto samus and connect to another samus. use hot keys
and see that charge override command gets set appropriately on
PD MCU.
Change-Id: I7e72d597a02b7aca3326911796d20003f6697077
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/238226
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>