CONFIG4_PINFUNC
config4 = ret & ~CONFIG4_PINFUNC;
config4 |= CONFIG4_PINFUNC;
if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
(data->config4 & CONFIG4_PINFUNC) == 0x1)