HDA_ISTR_DONE
regVal = (HDA_ISTR_DONE | (bit32)flashImg.istrLen);
SA_DBG2(("siHDAMode_V: Step 3 MSGU_HOST_SCRATCH_PAD_3 write %X\n",HDA_ISTR_DONE));
ossaHwRegWriteExt(agRoot, PCIBAR0,MSGU_HOST_SCRATCH_PAD_3 ,HDA_ISTR_DONE );