DDCMD_SETUP Return Value - rc

rc (ULONG)

Error code indicating success or the type of failure:

NO_ERROR

Success.
ERROR_INVALID_FUNCTION
Illegal function requested.
ERROR_INVALID_STREAM
Invalid stream handle.
ERROR_INVALID_REQUEST
Invalid setup request.
ERROR_STREAM_NOT_STOP
The stream cannot perform the requested function unless the stream has been stopped.
FAILURE
Device-driver-specific error return code.

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