Aseda Aboagye 36980ec169
pd: Properly assign data role on reset ...
According to PD spec:
- Data role shall not be reset on soft reset.
- Data role shall be reset to power-role default on hard reset.
Implement the above. Even if both ports follow spec, it's still possible
for a data role conflict to occur if, for example, data role swap occurs
(data role mismatches power role default) followed by a hardware reset
of one port (such that data role gets reset to power role default).
Handle such cases by taking error recovery actions.
BUG=b:71333840,chromium:805040
TEST=Connect scarlet to powered Apple accessory, verify scarlet comes up
in SNK-DFP after soft reset and issuing "reboot" on EC console. After
issuing a hard reset, the port comes up in SNK-UFP (which is the
power-role default).
BRANCH=None
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org >
Signed-off-by: Aseda Aboagye <aaboagye@google.com >
Change-Id: I65139f277d59a0612f8323d711080f52425ff5e7
Reviewed-on: https://chromium-review.googlesource.com/885462
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org >
Tested-by: Aseda Aboagye <aaboagye@chromium.org >
Reviewed-by: Jett Rink <jettrink@chromium.org >
Reviewed-by: Vincent Palatin <vpalatin@chromium.org >
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36980ec169