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1 files changed, 20 insertions, 0 deletions

diff --git a/src/grp-udev/v4l_id/60-persistent-v4l.rules b/src/grp-udev/v4l_id/60-persistent-v4l.rules
new file mode 100644
index 0000000000..93c5ee8c27
--- /dev/null
+++ b/src/grp-udev/v4l_id/60-persistent-v4l.rules
@@ -0,0 +1,20 @@
+# do not edit this file, it will be overwritten on update
+
+ACTION=="remove", GOTO="persistent_v4l_end"
+SUBSYSTEM!="video4linux", GOTO="persistent_v4l_end"
+ENV{MAJOR}=="", GOTO="persistent_v4l_end"
+
+IMPORT{program}="v4l_id $devnode"
+
+SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id"
+KERNEL=="video*", ENV{ID_SERIAL}=="?*", SYMLINK+="v4l/by-id/$env{ID_BUS}-$env{ID_SERIAL}-video-index$attr{index}"
+
+# check for valid "index" number
+TEST!="index", GOTO="persistent_v4l_end"
+ATTR{index}!="?*", GOTO="persistent_v4l_end"
+
+IMPORT{builtin}="path_id"
+ENV{ID_PATH}=="?*", KERNEL=="video*|vbi*", SYMLINK+="v4l/by-path/$env{ID_PATH}-video-index$attr{index}"
+ENV{ID_PATH}=="?*", KERNEL=="audio*", SYMLINK+="v4l/by-path/$env{ID_PATH}-audio-index$attr{index}"
+
+LABEL="persistent_v4l_end"