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fb5d873cfd
Commits5e9eb156cand32567f8introduced persistent symlinks for input devices with more than one interface. However, this does not ensure stability for the "default" interface, i. e. with interface number 00 or a nonexisting one. If a device with a higher interface number appears first, it'll claim the symlink name without an interface number, and the "interface 00" device won't get any. Fix this by creating the default symlink only for interface 00 or a nonexisting one, so that we properly partition the two cases over the two rules. https://launchpad.net/bugs/1057824
39 lines
2.4 KiB
Plaintext
39 lines
2.4 KiB
Plaintext
# do not edit this file, it will be overwritten on update
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ACTION=="remove", GOTO="persistent_input_end"
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SUBSYSTEM!="input", GOTO="persistent_input_end"
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SUBSYSTEMS=="bluetooth", GOTO="persistent_input_end"
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SUBSYSTEMS=="usb", ENV{ID_BUS}=="", IMPORT{builtin}="usb_id"
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# determine class name for persistent symlinks
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ENV{ID_INPUT_KEYBOARD}=="?*", ENV{.INPUT_CLASS}="kbd"
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ENV{ID_INPUT_MOUSE}=="?*", ENV{.INPUT_CLASS}="mouse"
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ENV{ID_INPUT_TOUCHPAD}=="?*", ENV{.INPUT_CLASS}="mouse"
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ENV{ID_INPUT_TABLET}=="?*", ENV{.INPUT_CLASS}="mouse"
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ENV{ID_INPUT_JOYSTICK}=="?*", ENV{.INPUT_CLASS}="joystick"
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DRIVERS=="pcspkr", ENV{.INPUT_CLASS}="spkr"
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ATTRS{name}=="*dvb*|*DVB*|* IR *", ENV{.INPUT_CLASS}="ir"
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# fill empty serial number
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ENV{.INPUT_CLASS}=="?*", ENV{ID_SERIAL}=="", ENV{ID_SERIAL}="noserial"
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# by-id links
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KERNEL=="mouse*|js*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="|00", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{.INPUT_CLASS}"
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KERNEL=="mouse*|js*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="?*", ATTRS{bInterfaceNumber}!="00", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$attr{bInterfaceNumber}-$env{.INPUT_CLASS}"
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KERNEL=="event*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="|00", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-event-$env{.INPUT_CLASS}"
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KERNEL=="event*", ENV{ID_BUS}=="?*", ENV{.INPUT_CLASS}=="?*", ATTRS{bInterfaceNumber}=="?*", ATTRS{bInterfaceNumber}!="00", SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$attr{bInterfaceNumber}-event-$env{.INPUT_CLASS}"
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# allow empty class for USB devices, by appending the interface number
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SUBSYSTEMS=="usb", ENV{ID_BUS}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", ATTRS{bInterfaceNumber}=="?*", \
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SYMLINK+="input/by-id/$env{ID_BUS}-$env{ID_SERIAL}-event-if$attr{bInterfaceNumber}"
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# by-path
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SUBSYSTEMS=="pci|usb|platform|acpi", IMPORT{builtin}="path_id"
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ENV{ID_PATH}=="?*", KERNEL=="mouse*|js*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-path/$env{ID_PATH}-$env{.INPUT_CLASS}"
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ENV{ID_PATH}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-path/$env{ID_PATH}-event-$env{.INPUT_CLASS}"
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# allow empty class for platform and usb devices; platform supports only a single interface that way
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SUBSYSTEMS=="usb|platform", ENV{ID_PATH}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", \
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SYMLINK+="input/by-path/$env{ID_PATH}-event"
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LABEL="persistent_input_end"
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