LM77_REG_THIGH_SET_POINT
if (lmtemp_temp_read(sc, LM77_REG_THIGH_SET_POINT,
if (lmtemp_temp_read(sc, LM77_REG_THIGH_SET_POINT, &val, 0) == 0) {
lmtemp_temp_write(sc, LM77_REG_THIGH_SET_POINT, limit, degc);