+ case DRIVER_OPT:
+ if (strcasecmp(optarg, "hw") == 0) {
+ driver = DRIVER_HARDWARE;
+ } else if (strcasecmp(optarg, "sw") == 0) {
+ driver = DRIVER_SOFTWARE;
+ } else if (strcasecmp(optarg, "ref") == 0) {
+ driver = DRIVER_REFERENCE;
+ } else if (strcasecmp(optarg, "null") == 0) {
+ driver = DRIVER_NULL;
+ } else {
+ driver = DRIVER_MODULE;
+ driverModule = optarg;
+ }
+ break;