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The BQ24392 driver controls power on the PP5000_A rail so that BC1.2 detection can be performed when the AP is off. However, that rail is also controlled by the chipset task, so CONFIG_POWER_PP5000_CONTROL needs to be defined to keep 5V rail up when necessary. Calls to power_5v_enable() must only be done when the build has a chipset task (otherwise, that function is not defined). BRANCH=none BUG=b:77874283 TEST=Booted Yorp with software sync enabled Signed-off-by: Justin TerAvest <teravest@chromium.org> Change-Id: Ib75655944aa05e381da922da8e916dc5d4dd9f85 Reviewed-on: https://chromium-review.googlesource.com/1014397 Commit-Ready: Furquan Shaikh <furquan@chromium.org> Tested-by: Divya S Sasidharan <divya.s.sasidharan@intel.com> Reviewed-by: Divya S Sasidharan <divya.s.sasidharan@intel.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Jett Rink <jettrink@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