Cannot get proximity close, ambient light reading, etc from sensors. There are some warnings when running test cases. The same warning about signals shows up for other sensors too.
Object::connect: No such signal ProximitySensorChannelInterface::dataAvailable(const int&) in maemo6proximitysensor.cpp:56
Object::connect: No such signal ALSSensorChannelInterface::ALSChanged(const int&) in maemo6als.cpp:55