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The factory tests relies on being able to read CEC_IN through the GPIO API. When it is configured as TA1, it can't be read as a GPIO. With this change, the pin will be a reconfigured as a GPIO at boot or when CEC is runtime disabled using "ectool cec set enable 0" Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org> BUG=b:79842676 BRANCH=none TEST=Test that "ectool cec read" still works with CEC on, and that "ectool gpioget CEC_IN" reflects the incoming voltage when CEC is off. Change-Id: I3b17d6551612a156897d95ea2473e4fbcbd70e39 Reviewed-on: https://chromium-review.googlesource.com/1064110 Commit-Ready: Stefan Adolfsson <sadolfsson@chromium.org> Tested-by: Stefan Adolfsson <sadolfsson@chromium.org> Reviewed-by: Stefan Adolfsson <sadolfsson@chromium.org> Reviewed-by: Randall Spangler <rspangler@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