kbd_add_driver
kbd_add_driver(&akbd_kbd_driver);
kbd_add_driver(&gpiokeys_kbd_driver);
kbd_add_driver(&hkbd_kbd_driver);
kbd_add_driver(&hvkbd_kbd_driver);
if (kbd_add_driver(drv) != 0)
int kbd_add_driver(keyboard_driver_t *driver);
if ((error = kbd_add_driver(&kbdmux_kbd_driver)) != 0)
kbd_add_driver(&ukbd_kbd_driver);
kbd_add_driver(&vkbd_kbd_driver);