Hi Russell, On Fri, Nov 05, 2010 at 03:42:19PM +1100, Russell Shaw wrote: > Hi, > In X, i want an application program to apply settings to a specific > mouse/puck device, regardless of how many other devices have been > plugged in since the last session. > > Prefereably, a manufacturer-model-serial_number call would be available > from evdev. > > Minimally, a uniq non-changing ID could be useful. I found this in > linux-2.6.31.1/drivers/input/evdev.c: > > if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) > return str_to_user(dev->uniq, _IOC_SIZE(cmd), p); > > How is "dev->uniq" constructed? USB HID devices populate this field with data from descriptor.iSerialNumber. I suppose we should do that in other USB drivers as well, patches are welcome. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html