staging:iio:ad7793: Use usleep_range instead of msleep

It is recommended to use usleep_range instead of msleep for durations smaller
than a 20ms.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-11-21 16:27:00 +00:00 • committed by Jonathan Cameron
commit 3e4334f2d6