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97a3729755
Select optimal PDOs from the charger at various discrete voltage limits
and advertise them all to the DUT, in case the DUT does not support the
"best" > 5V PDO due to voltage limits.
BUG=chromium:776809
BRANCH=servo
TEST=On {samus, scarlet, kevin}, with zinger attached to DUT port,
verify DUT + CHG negotiate to max supported voltage. On 'black' servo_v4
board, verify scarlet negotiates to 12V.
Change-Id: Iea174e4f6bc303d561e28281b9ff20afb3073c25
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/730877
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@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 For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly