staging:iio:adc:ad7152 use smbus read / write functions + checkpatch fixes

This is fine IF I  have read the data sheet correctly.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed