The blinking LED indicates that debug mode is active.
BUG=b:69981636
TEST=Press VolUp + VolDown for 10s to enter debug mode
=> charging LED blinks
=> stops blinking after user action or timeout
test different cases:
- fully charged battery, connected to power
- fully charged battery, not connected to power
- partially discharged battery, connected to power
- partially discharged battery, not connected to power
BRANCH=none
Change-Id: If7ca06aaf5d1fb4c3df4dfb9e63ca6425002b880
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/818496
Reviewed-by: Shawn N <shawnn@chromium.org>