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19b6e5da23
Fix bug on samus that the battery status doesn't always show on lightbar when AC is plugged/unplugged. It doesn't show when the battery is full is S3 or S5 because in these states we turn off CHARGE_EN so that ACOK to the EC never toggles. Instead, what we want to do is display battery status whenever the active charge port changes. This will happen when AC is plugged or unplugged OR if a user has AC on both ports and toggles between them using the charge override hot-keys. BUG=chrome-os-partner:36317 BRANCH=samus TEST=test plugging and unplugging AC on both sides when battery is full and unit is in S0, and when unit is in S5. also tested lightbar flashes battery percentage when two zingers are plugged in and you switch between them using Ctrl+Search+0|1|2. Change-Id: I5cd7fff4f466adf857f1e63f07f3b0c7ae8422c7 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/245922 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit