mark PROP_WHITE_POINT as not supported
mark PROP_WHITE_POINT as not supported

sledges/gst-droid,foolab/gst-droid,mlehtima/gst-droid,sledges/gst-droid,mlehtima/gst-droid,sailfishos/gst-droid,sledges/gst-droid,foolab/gst-droid