v4l2_get_ctrl_min 1450 modules/videoio/src/cap_libv4l.cpp       int v4l2_min = v4l2_get_ctrl_min(capture, capture->control.id);
v4l2_get_ctrl_min 1658 modules/videoio/src/cap_libv4l.cpp   v4l2_min = v4l2_get_ctrl_min(capture, capture->control.id);