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

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Message-Id: <1435226570-3669-2-git-send-email-luis.henriques@canonical.com>
Date:	Thu, 25 Jun 2015 11:01:40 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Jonathan Cameron <jic23@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 01/71] iio: adis16400: Report pressure channel scale

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

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

From: Lars-Peter Clausen <lars@...afoo.de>

commit 69ca2d771e4e709c5ae1125858e1246e77ef8b86 upstream.

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

Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
Fixes: 76ada52f7f5d ("iio:adis16400: Add support for the adis16448")
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.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;
 		}
--
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