GB_LOOPBACK_TYPE_SINK
case GB_LOOPBACK_TYPE_SINK:
retval = gb_loopback_operation_sync(gb, GB_LOOPBACK_TYPE_SINK,
retval = gb_loopback_async_operation(gb, GB_LOOPBACK_TYPE_SINK,
case GB_LOOPBACK_TYPE_SINK:
case GB_LOOPBACK_TYPE_SINK:
else if (type == GB_LOOPBACK_TYPE_SINK)
else if (type == GB_LOOPBACK_TYPE_SINK)