etc/udev/debian/60-persistent-v4l.rules

   1 ACTION!="add|change",                   GOTO="persistent_v4l_end"
   2 SUBSYSTEM!="video4linux",               GOTO="persistent_v4l_end"
   3
   4 # ignore devices without a valid "index" number
   5 TEST!="index",                          GOTO="persistent_v4l_end"
   6 ATTR{index}!="?*",                      GOTO="persistent_v4l_end"
   7
   8 IMPORT{program}="path_id $devpath"
   9
  10 KERNEL=="video*|vbi*",                  ENV{ID_PATH}=="?*", \
  11         SYMLINK+="v4l/by-path/$env{ID_PATH}-video-index$attr{index}"
  12
  13 KERNEL=="audio*",                       ENV{ID_PATH}=="?*", \
  14         SYMLINK+="v4l/by-path/$env{ID_PATH}-audio-index$attr{index}"
  15
  16 LABEL="persistent_v4l_end"
  17