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dda0704bf9
Enabled the trickle charging mode by setting the MinSystemVoltage
register[0x3EH] to board specific battery voltage minimum value.
When the battery voltage drops below the battery voltage minimum
value, trickle charging enabled.
BUG=none
TEST=Manually tested on Kunimitsu FAB4 prototype.
Drained the battery below voltage minimum value. Using the
i2cxfer command observed Trickle charging mode is active in
the information register[0x3AH].
BRANCH=none
Change-Id: Id6416f2b0b74fda8cf3eafb95e044586f90b8a8e
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/298143
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Rong Chang <rongchang@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit