Commit ca8d8e03 authored Feb 09, 2017 by William Breathitt Gray Committed by Jonathan Cameron Feb 11, 2017

iio: 104-quad-8: Fix off-by-one error when addressing flag register

The flag register is offset by 1 from the respective channel data
register. This patch fixes an off-by-one error when attempting to read a
channel flag register where the base address was not properly offset.

Fixes: 28e5d3bb ("iio: 104-quad-8: Add IIO support for the ACCES 104-QUAD-8")
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent 17fa2dcb

drivers/iio/counter/104-quad-8.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -76,7 +76,7 @@ static int quad8_read_raw(struct iio_dev *indio_dev,
		return IIO_VAL_INT;
		}

		flags = inb(base_offset);
		flags = inb(base_offset + 1);
		borrow = flags & BIT(0);
		carry = !!(flags & BIT(1));