Merge tag 'iio-fixes-for-4.11d' of git://git.kernel.org/pub/scm/linux/kernel/git...

4th set of IIO fixes for the 4.12 cycle.

core
 - fix IIO_VAL_FRACTIONAL_LOG2 handling for negative values.
bmg160
 - reset chip on probe to avoid a failure on some systems
cros_ec
 - return type correctly when reading raw and calibbias data.
hid-sensor-accel
 - fix a duplicate scan index error due to wrong number of channels
 for gravity sensor.
hid-sensors
 - ensure a get_feature is always done before the first set feature to
 avoid issues with wrong cached values.
st-pressure
 - initalize lps22hb boot time to avoid giving stale data.