fixes for uvc driver
fixes for uvc driver

tschmidt23/Pangolin,wxdzju/Pangolin,stevenlovegrove/Pangolin,stevenlovegrove/Pangolin,tschmidt23/Pangolin,wxdzju/Pangolin,randi120/Pangolin,stevenlovegrove/Pangolin,pinglin/Pangolin,renzodenardi/Pangolin,arpg/Pangolin,randi120/Pangolin,pinglin/Pangolin,mp3guy/Pangolin,visigoth/Pangolin,renzodenardi/Pangolin,mp3guy/Pangolin,arpg/Pangolin,visigoth/Pangolin,mp3guy/Pangolin,tschmidt23/Pangolin