Vincent Palatin b170291c36 zinger: do not cut output on up voltage transitions
Update according to the current PD standard, a monotonic transition
seems mandatory in all cases, so keep the voltage output enabled
when increasing the output voltage.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=chrome-os-partner:28331
TEST=connect Zinger to Fruitpie and probe the VBUS voltage during a
transition.

Change-Id: I3c728cc0049ca41536efd4f075139626b7d371da
Reviewed-on: https://chromium-review.googlesource.com/202657
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
2014-06-11 22:10:55 +00:00
2014-05-21 20:32:17 +00:00
2014-06-05 23:14:34 +00:00
2014-03-31 22:45:09 +00:00
2012-05-11 09:11:52 -07:00
2013-12-19 00:12:24 +00:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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