a16f6497_Linux_UVC_driver___tools___FAQ__Description
[Name] UVC_QUIRK_PROBE_EXTRAFIELDS [Value] 0x00000004 [Description] 
Initialize read-only fields of the video probe and commit structure when negotiating formats with the camera. Try to set this quirk if the device stalls the set video probe and commit requests.
Linux UVC driver & tools – FAQ
Description