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Enabling/Dislabling keyboard and touchpad is required to prevent EC from waking up the system from S3 in tablet mode. This change disables the keyboard and the trackpad when the lid goes beyond 180 degree. Keyboard and touchpad are also enabled/disabled by the tablet switch. When the lid reaches 360 position, keyboard and touchpad are disabled. And they stay disabled as long as the lid stays at 360 position. This prevents keyboard and touchpad from turning on by the (faulty) lid angle calculation. BUG=chrome-os-partner:58792 BRANCH=none TEST=Keyboard and trackpad are disabled when the lid goes beyond 180 and re-enabled when it's smaller than 180. Keyboard and trackpad are disabled when the lid goes to 360 degree and the system doesn't wake up by a keypress. Change-Id: I48c04bd576f457a899dfdf9b4718d73b59419cbe Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/411395
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