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Previously our charger ISR called a deferred task which woke our charger task. We can skip the deferred task and just wake our charger task directly. The other meaningful change here is to assume that we're using the charger for VBUS detection / BC1.2 if we have a usb_chg task, which holds true for all of our current boards with this charger. BUG=None TEST=Manual on kevin with subsequent commit. Verify charger connect / disconnect detection works properly on both ports, with zinger, donette and generic DCP charger. BRANCH=None Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: Iad4f3ea90947b50859c549b591675e325717209f Reviewed-on: https://chromium-review.googlesource.com/352822 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: Mary Ruthven <mruthven@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@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