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f52b23e96423fa0447013d58da1c6677ac8ae9f8
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Alec Berg f52b23e964 samus_pd: when sinking power detect loss of VBUS and disconnect 
Detect loss of VBUS when acting as PD sink and go to the disconnected
state. This allows us to renegotiate power when power supply drops
and switches to 5V.

BUG=none
BRANCH=none
TEST=On a samus, tested by running for a couple of hours, and verifying
that occasionally when zinger drops from 20V to 5V, we detect it and
go to the disconnected state. Note, this only happens a couple times
every hour.

Change-Id: I237d267824ff564662c9c02e525ce2613ed229e6
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/200365
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2014-05-21 20:35:47 +00:00
board
samus_pd: when sinking power detect loss of VBUS and disconnect
2014-05-21 20:35:47 +00:00
chip
Add cprints() and ccprints()
2014-05-21 20:32:17 +00:00
common
samus_pd: when sinking power detect loss of VBUS and disconnect
2014-05-21 20:35:47 +00:00
core
Add cprints() and ccprints()
2014-05-21 20:32:17 +00:00
driver
Add cprints() and ccprints()
2014-05-21 20:32:17 +00:00
extra
Add standalone lightbar simulation tool
2014-05-15 05:20:14 +00:00
include
Add cprints() and ccprints()
2014-05-21 20:32:17 +00:00
power
Add cprints() and ccprints()
2014-05-21 20:32:17 +00:00
test
charger v2: supports charger watchdog
2014-04-23 20:50:48 +00:00
util
Enable flashing of usbpd mcu for samus.
2014-05-19 20:28:46 +00:00
.gitignore
Add TAGS and cscope.* to .gitignore
2014-03-31 22:45:09 +00:00
COMMIT-QUEUE.ini
Ignore failures in HWTest and VMTest in the commit queue.
2013-11-01 14:08:36 +00:00
LICENSE
Add LICENSE file to project
2012-05-11 09:11:52 -07:00
Makefile
cleanup: Remove mixed-case macros
2013-12-19 00:12:24 +00:00
Makefile.rules
Show success message after 'make buildall'
2014-05-21 04:18:23 +00:00
Makefile.toolchain
discard unused functions at link time
2014-03-11 05:53:53 +00:00
OWNERS
Add OWNERS files
2014-04-02 19:58:53 +00:00
PRESUBMIT.cfg
Add presubmit check for unit test
2014-02-06 19:27:18 +00:00
README
Add standalone lightbar simulation tool
2014-05-15 05:20:14 +00:00
README.fmap
Update EC config and FMAP to reserve room for vboot signatures
2012-05-04 14:42:58 -07:00

README 

For an overview of the Embedded Controller firmware, refer to

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