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In the S0 <-> S3 transition, Coreboot sends EC messages to set/clear the wake masks when the SMI is invoked. For S0ix, EC sets and clears the wake mask via this patch. These functions are directly invoked from the state machine transition states. During S0ix entry, the wake mask for lid open is enabled. During S0ix exit, the wake mask for lid open is cleared. All pending events are also cleared. BRANCH=none BUG=chrome-os-partner:58740 TEST=test lidopen in S0ix Change-Id: I398fdba2b9bba1f6caef46f8dc71c7de3b669d08 Signed-off-by: Archana Patni <archana.patni@intel.com> Signed-off-by: Subramony Sesha <subramony.sesha@intel.com> Reviewed-on: https://chromium-review.googlesource.com/401070 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Mulin Chao <mlchao@nuvoton.com> Reviewed-by: Furquan Shaikh <furquan@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