iio: potentiometer: tpl0102: change i2c functionality return code

Change i2c_check_functionality condition check return from ENOTSUPP to
EOPNOTSUPP which is now the standard return code.

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Matt Ranostay 2016-03-04 22:55:25 -08:00 • committed by Jonathan Cameron
commit 844a656367