Name
input_set_events_per_packet — 
     tell handlers about the driver event rate
 
Arguments
- dev
- 
     the input device used by the driver
     
- n_events
- 
     the average number of events between calls to - input_sync
 
Description
   If the event rate sent from a device is unusually large, use this
   function to set the expected event rate. This will allow handlers
   to set up an appropriate buffer size for the event stream, in order
   to minimize information loss.