This reverts commit 7de52688be.
ADC watchdog is sourcing too much current onto ID_OUT net, and causes
voltage to rise by 0.4V. Let's revert this and use the monitoring loop.
BUG=chrome-os-partner:18397
TEST=Plug in the dongle and see kernel message about cable detect.
BRANCH=spring
Change-Id: If8f8e831d6184c3b3db582931ce8db6c064e2c0d
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/55687
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>