The driver return values are listed in the following table.
| Constant | Description | Value |
|---|---|---|
| DRV_BADPARAM1 | Bad first parameter. | 0xFFFFFFFF |
| DRV_BADPARAM2 | Bad second parameter. | 0xFFFFFFFE |
| DRV_BADSTRUCT | Bad structure. | 0xFFFFFFFD |
| DRV_FAILURE | Message processing was not successful. | 0x00000000 |
| DRV_SUCCESS | Message processing was successful. | 0x00000001 |