[PATCH 3.16.y-ckt 01/71] iio: adis16400: Report pressure channel scale

[Luis Henriques]

3.16.7-ckt14 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lars-Peter Clausen <lars at metafoo.de>

commit 69ca2d771e4e709c5ae1125858e1246e77ef8b86 upstream.

Add the scale for the pressure channel, which is currently missing.

Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
Fixes: 76ada52f7f5d ("iio:adis16400: Add support for the adis16448")
Signed-off-by: Jonathan Cameron <jic23 at kernel.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/iio/imu/adis16400_core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 8ca469c17a91..1bf990c06d03 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -438,6 +438,11 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 			*val = st->variant->temp_scale_nano / 1000000;
 			*val2 = (st->variant->temp_scale_nano % 1000000);
 			return IIO_VAL_INT_PLUS_MICRO;
+		case IIO_PRESSURE:
+			/* 20 uBar = 0.002kPascal */
+			*val = 0;
+			*val2 = 2000;
+			return IIO_VAL_INT_PLUS_MICRO;
 		default:
 			return -EINVAL;
 		}