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cbd086d13b
The logic of drawing as much current as possible when no battery
is connected (on the lid), and system unlocked, makes sense during
early bringup.
However, it will not work when the base is also connected, as we
did not implement the required no-battery logic in the base/lid
power allocation algorithm (nor do we plan to, as it is only
required during very early bringup, when we should not expect
power transfer between lid and base to work properly).
Also, we need to record input_voltage in
charge_set_input_current_limit, even when lid battery is not
present (yet), otherwise the algorithm gets confused and believes
no power is available.
BRANCH=none
BUG=b:71881017
TEST=Boot lux from dead battery and base connected, lux does not
attempt to drive OTG to the base.
Change-Id: I0cdd0956a82a724dbbf9c010760dcb956a58c1bf
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/874982
Reviewed-by: Shawn N <shawnn@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly