iio: Add ABI documentation for illuminance
authorPeter Meerwald <pmeerw@pmeerw.net>
Wed, 5 Feb 2014 16:54:00 +0000 (16:54 +0000)
committerJonathan Cameron <jic23@kernel.org>
Sat, 3 May 2014 10:45:26 +0000 (11:45 +0100)
has been in use for a long time, but never documented;
state that this measurement should be in lux (drivers may feel
different about this)

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Documentation/ABI/testing/sysfs-bus-iio