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70915b5012
cl/301134 has a bug. If the AP wants a forced sensor (i.e. light) at 100Hz but a sampling frequency at 1s, we would still wake it up every .1s instead of 1s. Take in account force mode only when calculating the sampling frequency not the interrupt interval. BRANCH=smaug BUG=b:25425420 TEST=Check the device goes to suspend even with 40Hz light sampling rate: echo 0 > /sys/bus/iio/devices/iio:device0/frequency echo 40000 > /sys/bus/iio/devices/iio:device3/frequency echo mem >/sys/power/state Before it would resume just after suspend/while suspending. Change-Id: Ie4fe36268cb1b04bc8f01ec885af84fad9e8b282 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/314315 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