The use of use_count like this is a bit hacky and right now breaks regularNo, stopping qcam results in the splat below, and then it cannot be
usage of CAMSS for a single stream case. As an example the "qcam"
application in libcamera will fail with an -EBUSY result on stream stop and
cannot then subsequently be restarted.
started again and any attempts to do so fails with -EBUSY.