ENVY24HT_E2PROM_GPIOSTATE
if ((size < ENVY24HT_E2PROM_GPIOSTATE + 3) || (size == 0x78)) {
buff->gpiostate = envy24ht_rdrom(sc, ENVY24HT_E2PROM_GPIOSTATE) | \
envy24ht_rdrom(sc, ENVY24HT_E2PROM_GPIOSTATE + 1) << 8 | \
envy24ht_rdrom(sc, ENVY24HT_E2PROM_GPIOSTATE + 2) << 16;