tree 768f1997dd810749ae72115cdd608d0f9713b338
parent 581759539f9747c675e471d001055cdf65d0f9a0
author Prashant Malani <pmalani@chromium.org> 1608589592 -0800
committer Commit Bot <commit-bot@chromium.org> 1609320613 +0000

typecd: Register SOP' number_of_alternate_modes

The number of alternate modes supported by a cable plug (SOP') is
exposed via sysfs. Modify the cable plug (SOP') registration code to
read and store this value.

BUG=b:172097194
TEST=All unit tests still pass. Build and boot on volteer and ensure
that we don't see any error prints associated with Cable Plug
registration when a cable is connected.

Change-Id: Ifbf44a502e46a64fbd385f21659db92d94195cb5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/2600259
Reviewed-by: Mengqi Guo <mqg@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Commit-Queue: Prashant Malani <pmalani@chromium.org>
Tested-by: Prashant Malani <pmalani@chromium.org>