it8709_rm
fifo = it8709_rm(dev, IT8709_RFSR) & IT85_RXFBC;
*(buf++) = it8709_rm(dev, IT8709_FIFO + read);
if (it8709_rm(dev, IT8709_MODE) == IT8709_IDLE)
return it8709_rm(dev, IT8709_REG_VAL);
iflags = it8709_rm(dev, IT8709_IIR);