using evdev instead of string constants

genmap.py

@@ -69,6 +69,7 @@ class _X11Key:
 @dataclasses.dataclass(frozen=True)
 class _KeyMapping:
     web_name: str
+    evdev_name: str
     mcu_code: int
     usb_key: _UsbKey
     ps2_key: _Ps2Key
@@ -122,6 +123,7 @@ def _read_keymap_csv(path: str) -> list[_KeyMapping]:
             if len(row) >= 6:
                 keymap.append(_KeyMapping(
                     web_name=row["web_name"],
+                    evdev_name=row["evdev_name"],
                     mcu_code=int(row["mcu_code"]),
                     usb_key=_parse_usb_key(row["usb_key"]),
                     ps2_key=_parse_ps2_key(row["ps2_key"]),
@@ -150,6 +152,7 @@ def main() -> None:
 
     # Fields list:
     #   - Web
+    #   - Linux/evdev
     #   - MCU code
     #   - USB code (^ for the modifier mask)
     #   - PS/2 key