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84ed699ac9
When all BMI160 sensors are suspended, FIFO is invalid. Put the test to check if all sensors are disable within the processing loop: otherwise, the FIFO can become invalid while we are processing it. Add printf to be sure we are not processing invalid FIFO. Add a macro around ODR to really check the ODR rate, excluding the roundup flag. BRANCH=smaug BUG=chrome-os-partner:44381 TEST=Using a special patch (see 44381#14) add delay to simulate a loaded EC (like at resume). Using a script flip-flop sensors frequency (to simulate suspend/resume). Check that: - we are not crashing anymore (we were before this patch) - the driver is not hitting invalid FIFO content. Change-Id: I7c9e86f5dcfc231ab89472a6ea03af22e2c2ac32 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/297178 Reviewed-by: Alec Berg <alecaberg@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit