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

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Date:   Mon, 29 Aug 2016 18:50:56 +0800
From:   "Kweh, Hock Leong" <hock.leong.kweh@...el.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Pandruvada Srinivas <srinivas.pandruvada@...el.com>,
        Jiri Kosina <jikos@...nel.org>
Cc:     linux-iio <linux-iio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-input <linux-input@...r.kernel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Lim Lee Booi <lee.booi.lim@...el.com>,
        Lay Kuan Loon <kuan.loon.lay@...el.com>,
        Ooi Joyce <joyce.ooi@...el.com>,
        "Kweh, Hock Leong" <hock.leong.kweh@...el.com>
Subject: [PATCH] iio: fix pressure data output unit in hid-sensor-attributes

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

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

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index e81f434..dc33c1d 100644
--- 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)
-- 
1.7.9.5