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diff --git a/plugins/sensors/blackberry/bbrotationsensor.cpp b/plugins/sensors/blackberry/bbrotationsensor.cpp
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+++ b/plugins/sensors/blackberry/bbrotationsensor.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 "bbrotationsensor.h"
+
+#include "bbguihelper.h"
+#include "bbutil.h"
+
+using namespace BbUtil;
+
+BbRotationSensor::BbRotationSensor(QSensor *sensor)
+    : BbSensorBackend<QRotationReading>(devicePath(), SENSOR_TYPE_ROTATION_MATRIX, sensor)
+{
+    setDescription(QLatin1String("Device rotation in degrees"));
+}
+
+QString BbRotationSensor::devicePath()
+{
+    return QLatin1String("/dev/sensor/rotMatrix");
+}
+
+void BbRotationSensor::additionalDeviceInit()
+{
+    addOutputRange(-180, 180, 0 /* ? */);
+}
+
+bool BbRotationSensor::addDefaultRange()
+{
+    // The range we get from the OS service is only -1 to 1, which are the values of the matrix.
+    // We need the values of the axes in degrees.
+    return false;
+}
+
+bool BbRotationSensor::updateReadingFromEvent(const sensor_event_t &event, QRotationReading *reading)
+{
+    // sensor_event_t has euler angles for a Z-Y'-X'' system, but the QtMobility API
+    // uses Z-X'-Y''.
+    // So extract the euler angles using the Z-X'-Y'' system from the matrix.
+    float xRad, yRad, zRad;
+    float mappedRotationMatrix[3*3];
+    remapMatrix(event.rotation_matrix, mappedRotationMatrix);
+    matrixToEulerZXY(mappedRotationMatrix, xRad, yRad, zRad);
+
+    reading->setX(radiansToDegrees(xRad));
+    reading->setY(radiansToDegrees(yRad));
+    reading->setZ(radiansToDegrees(zRad));
+
+    return true;
+}
+
+qreal BbRotationSensor::convertValue(float bbValueInRad)
+{
+    return radiansToDegrees(bbValueInRad);
+}