iio: light: rpr0521 sample_frequency read/write

Add sysfs read/write sample frequency.

Signed-off-by: Mikko Koivunen <mikko.koivunen@fi.rohmeurope.com>
Acked-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Mikko Koivunen 2017-05-18 15:12:54 +03:00 • committed by Jonathan Cameron
commit c91a88ef84