michael@michael-ubuntu:~$ udevadm test-builtin input_id /sys/class/input/js1 calling: test-builtin === trie on-disk === tool version:          204 file size:         5771867 bytes header size             80 bytes strings            1271203 bytes nodes              4500584 bytes load module index ID_INPUT=1 capabilities/ev raw kernel attribute: 1b capabilities/ev decoded bit map:   bit    0: 000000000000001B capabilities/abs raw kernel attribute: 3001f capabilities/abs decoded bit map:   bit    0: 000000000003001F capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: fff00000000 0 0 0 0 capabilities/key decoded bit map:   bit    0: 0000000000000000   bit   64: 0000000000000000   bit  128: 0000000000000000   bit  192: 0000000000000000   bit  256: 00000FFF00000000 ID_INPUT_JOYSTICK=1 test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 128 for any keys; found=0 test_key: checking bit block 192 for any keys; found=0 unload module index michael@michael-ubuntu:~$ ________________________________ From: Martin Pitt