linux-kernel - [PATCH 4.7 078/184] iio: fix pressure data output unit in hid-sensor-attributes

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Date:   Thu, 22 Sep 2016 19:40:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        "Kweh, Hock Leong" <hock.leong.kweh@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Jonathan Cameron <jic23@...nel.org>
Subject: [PATCH 4.7 078/184] iio: fix pressure data output unit in hid-sensor-attributes

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

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

From: Kweh, Hock Leong <hock.leong.kweh@...el.com>

commit 36afb176d3c9580651d7f410ed7f000ec48b5137 upstream.

According to IIO ABI definition, IIO_PRESSURE data output unit is
kilopascal:
http://lxr.free-electrons.com/source/Documentation/ABI/testing/sysfs-bus-iio

This patch fix output unit of HID pressure sensor IIO driver from pascal to
kilopascal to follow IIO ABI definition.

Signed-off-by: Kweh, Hock Leong <hock.leong.kweh@...el.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/common/hid-sensors/hid-sensor-attributes.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -56,8 +56,8 @@ static struct {
 	{HID_USAGE_SENSOR_ALS, 0, 1, 0},
 	{HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0},
 
-	{HID_USAGE_SENSOR_PRESSURE, 0, 100000, 0},
-	{HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 1, 0},
+	{HID_USAGE_SENSOR_PRESSURE, 0, 100, 0},
+	{HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000},
 };
 
 static int pow_10(unsigned power)