pnp_add_id
struct pnp_id *pnp_add_id(struct pnp_dev *dev, const char *id);
dev_id = pnp_add_id(dev, pnpid);
pnp_add_id(dev, id);
pnp_add_id(dev, id->id);
dev_id = pnp_add_id(dev, id);