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<use f='src/src/sys/dev/usb/uvideo.c' l='2142' c='uvideo_get_control_group'/>
<use f='src/src/sys/dev/usb/uvideo.c' l='2174' c='uvideo_get_control_group'/>
<use f='src/src/sys/dev/usb/uvideo.c' l='2236' c='uvideo_set_control_group'/>
<use f='src/src/sys/dev/video.c' l='480' u='r' c='v4l2id_to_control_id'/>
