wpi_set_pslevel
if ((error = wpi_set_pslevel(sc, 0, 0, 1)) != 0) {
static int wpi_set_pslevel(struct wpi_softc *, uint8_t, int, int);
if ((error = wpi_set_pslevel(sc, 0, 0, 0)) != 0) {
(void)wpi_set_pslevel(sc, 0, 3, 1);