staging:iio:core drop the IIO_CHAN macro for ease of maintenance.

I was warned long ago that this macro would cause trouble but didn't
heed the advice, hence I'm unwinding it now!

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed