ACPIBAT_DISCHARGERATE
sc->sc_sensor[ACPIBAT_DISCHARGERATE].units = rateunit;
sc->sc_sensor[ACPIBAT_DISCHARGERATE].state = ENVSYS_SINVALID;
sc->sc_sensor[ACPIBAT_DISCHARGERATE].state = ENVSYS_SVALID;
sc->sc_sensor[ACPIBAT_DISCHARGERATE].value_cur = rate * 1000;
sc->sc_sensor[ACPIBAT_DISCHARGERATE].state = ENVSYS_SINVALID;
INITDATA(ACPIBAT_DISCHARGERATE, ENVSYS_SWATTS, "discharge rate");
sc->sc_sensor[ACPIBAT_DISCHARGERATE].flags = ENVSYS_FMONNOTSUPP;
sc->sc_sensor[ACPIBAT_DISCHARGERATE].flags |= ENVSYS_FHAS_ENTROPY;