typec_plug_register_altmode
amode = typec_plug_register_altmode(port->plug, &desc);
EXPORT_SYMBOL_GPL(typec_plug_register_altmode);
altmode = typec_plug_register_altmode(port->plug_prime,
alt = typec_plug_register_altmode(con->plug, desc);
*typec_plug_register_altmode(struct typec_plug *plug,