KB_REGISTERED
kbd->kb_flags &= ~KB_REGISTERED;
#define KBD_IS_CONFIGURED(k) ((k)->kb_flags & KB_REGISTERED)
#define KBD_CONFIG_DONE(k) ((k)->kb_flags |= KB_REGISTERED)
#define KBD_CONFIG_LOST(k) ((k)->kb_flags &= ~KB_REGISTERED)