For driver revision 0.19.0 the output is 4864. That is the undecoded raw value of the field.
driver_revision stores the driver revision in a three 8 bit values packed in one integer. That is
Major = (driver_revision >> 16) & 0xff
Minor = (driver_revision >> 8) & 0xff
Revision= driver_revision & 0xff
For driver revision 0.19.0 the output is 4864. That is the undecoded raw value of the field.
driver_revision stores the driver revision in a three 8 bit values packed in one integer. That is Major = (driver_revision >> 16) & 0xff Minor = (driver_revision >> 8) & 0xff Revision= driver_revision & 0xff