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Remap Alt and Windows key in Linux at the driver via udev hwdb
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| $ sudo vi /etc/udev/hwdb.d/70-keyboard.hwdb | |
| # evdev:input:b<bus_id>v<vendor_id>p<product_id>e<version_id>-<modalias> | |
| # use `lsusb` and `sudo udevadm info /dev/input/by-id/usb-*` to get values for bus, vendor, product, revision | |
| # use `sudo evtest` to get scan code for lhs to rhs key mapping from /usr/include/linux/input.h | |
| # Metadot Das Keyboard Pro 4 (MAC) | |
| evdev:input:b0003v24F0* | |
| KEYBOARD_KEY_700e2=leftmeta | |
| KEYBOARD_KEY_700e3=leftalt | |
| $ sudo systemd-hwdb update | |
| $ sudo udevadm trigger | |
| # debug | |
| $ sudo udevadm --debug test-builtin keyboard /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/0003:1B1C:1B36.001B/input/input95/event24 | |
| # to get the input device path, unplug/plug keyboard find the matching vendor, product id while running | |
| $ sudo udevadm monitor |
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