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diff --git a/plugins/sensors/blackberry/bbmagnetometer.cpp b/plugins/sensors/blackberry/bbmagnetometer.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Research In Motion <blackberry-qt@qnx.com>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "bbmagnetometer.h"
+
+BbMagnetometer::BbMagnetometer(QSensor *sensor)
+ : BbSensorBackend<QMagnetometerReading>(devicePath(), SENSOR_TYPE_MAGNETOMETER, sensor)
+{
+ setDescription(QLatin1String("Magnetic flux density in Teslas (T)"));
+}
+
+QString BbMagnetometer::devicePath()
+{
+ return QLatin1String("/dev/sensor/mag");
+}
+
+bool BbMagnetometer::updateReadingFromEvent(const sensor_event_t &event, QMagnetometerReading *reading)
+{
+ // TODO: In the future, support returnGeoValues here. Right now, /dev/sensors/mag has no
+ // geomagnatic mode, but will gain it in the future.
+ float x = convertValue(event.motion.dsp.x);
+ float y = convertValue(event.motion.dsp.y);
+ float z = convertValue(event.motion.dsp.z);
+ remapAxes(&x, &y, &z);
+ reading->setX(x);
+ reading->setY(y);
+ reading->setZ(z);
+
+ const bool returnGeoValues = sensor()->property("returnGeoValues").toBool();
+ if (returnGeoValues) {
+ switch (event.accuracy) {
+ case SENSOR_ACCURACY_UNRELIABLE: reading->setCalibrationLevel(0.0f); break;
+ case SENSOR_ACCURACY_LOW: reading->setCalibrationLevel(0.1f); break;
+
+ // We determined that MEDIUM should map to 1.0, because existing code samples
+ // show users should pop a calibration screen when seeing < 1.0. The MEDIUM accuracy
+ // is actually good enough not to require calibration, so we don't want to make it seem
+ // like it is required artificially.
+ case SENSOR_ACCURACY_MEDIUM: reading->setCalibrationLevel(1.0f); break;
+ case SENSOR_ACCURACY_HIGH: reading->setCalibrationLevel(1.0f); break;
+ }
+ } else {
+ reading->setCalibrationLevel(1.0f);
+ }
+
+ return true;
+}
+
+qreal BbMagnetometer::convertValue(float bbValueInMicroTesla)
+{
+ // Convert from microtesla to tesla
+ return bbValueInMicroTesla * 1.0e-6;
+}