Fix stream suspend/resume activity due to its states being clobbered by pcm channel start/stop trigger operation.
Fix stream suspend/resume activity due to its states being
clobbered by pcm channel start/stop trigger operation.

Approved by:	re (hrs)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase