Hello > Since our 792 Windows driver has been proved/test work well, > I suggest that the i2c-ali1563 driver remove the HST_STS_DONE related check > so that our 792 linux driver can work. I'm sorry I cant give you authoritative answer. But from my point of view it is not good strategy. I simply do not like "lets do something and hope it worked) Jean? MDS? Patrick? Philip? I would like really to know if SMM code is talking to the bus same time. If so, then it would explain a lot. And if we now how it is working, we might find some more clean solution. Regards Rudolf