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c49334f143
SYNC motion sensor are use to count event. It sends an event to the AP each time a GPIO goes low/high, the datum contains a 16 bit counter. The location indicates the source of the event, as Android sensor hal will use this information (via sysfs location attribute) to link the sensor with other subsystem. BUG=b:67743747 BRANCH=none TEST=Unit tests. Change-Id: Ia808b25730ad4100efa216c6a86b7b090197c5a3 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/848496 Reviewed-by: Alexandru M Stan <amstan@chromium.org> Reviewed-by: Randall Spangler <rspangler@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