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Pre-charge vs fast-charge mode depends on battery voltage relative to VSYS. Rather than checking battery voltage (which may change), set pre-charge and fast-charge currents whenever charger_set_current() is called. BUG=chrome-os-partner:55416 BRANCH=None TEST=Manual on kevin. Verify system continues to boot with no battery. Attach depleted battery, run "battery" and verify charger current is ~200 mA. Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: I68c06108c6d85ceede396294bedd1a017ddddd52 Reviewed-on: https://chromium-review.googlesource.com/361993 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Aseda Aboagye <aaboagye@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