Method startUsage

src/sensors/compass.cpp:546–556

}

void Compass::startUsage()
{
	++ reference_counter;
#ifdef QT_SENSORS_LIB
	if (reference_counter == 1)
	{
		p.reset(new CompassPrivate(this));
		p->enable(true);
	}
#endif
}

void Compass::stopUsage()
{