Commits

Anonymous committed 5e9eb15

60-persistent-input.rules: Support multiple interfaces

Create /dev/input/by-id symlinks containing the USB interface number so that
each interface in a multi-interface USB input device gets its own symlink.

Thanks to a7x <ubuntu-a7x@scientician.org>!

https://launchpad.net/bugs/626449

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Files changed (1)

rules/rules.d/60-persistent-input.rules

 
 # by-id links
 KERNEL=="mouse*|js*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{.INPUT_CLASS}"
+KERNEL=="mouse*|js*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$attr{bInterfaceNumber}-$env{.INPUT_CLASS}"
 KERNEL=="event*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-event-$env{.INPUT_CLASS}"
+KERNEL=="event*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="?*", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$attr{bInterfaceNumber}-event-$env{.INPUT_CLASS}"
 # allow empty class for USB devices, by appending the interface number
 SUBSYSTEMS=="usb", ENV{ID_BUS}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", ATTRS{bInterfaceNumber}=="?*", \
   SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-event-if$attr{bInterfaceNumber}"