Rereading the specification, remove delays when not needed:
- When we move the sensor out of suspend, we need to wait before
using it (BMI160 spec: 2.11.38 Register (0x7E) CMD)
When we do a softreset, we need just need to wait 300us for the
sensor to go in suspend, we will wait only when we change the rate
and enable the sensor.
- The timeout at fifo flush is not needed, it was added for debugging.
- Remove unnecessary printf when initializing the magnetometer.
BUG=chrome-os-partner:59188
BRANCH=glados, reef, strago
TEST=On reef, check the EC boot faster: time spend initializing the
sensors
decreased from 240ms to 133ms
Change-Id: Ia80232da42aa705df819a4988da483a344ffcbb4
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/411964
Commit-Ready: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
bcbeb89da1