[Nut-upsuser] Eaton 5PX broken interrupt on usbhid-ups, also pollfreq vs pollinterval?

[Kris Jordan]

Linux NUT 2.7.1
Eaton 5PX usbhid-ups

It would appear that interrupts are not actually working on my 5PX using 
the usbhid-ups driver. I will be trying the serial mge-shut driver next. 
It just seemed like it was working before because of the default 
pollinterval of 2 seconds. The status update comes in during the 
pollinterval no matter what I have pollfreq set to. And I can set 
pollonly and get the same behavior.

With the driver usbhid-ups, what is the relationship between pollfreq 
and pollinterval? It looks like pollinterval overrides pollfreq.

  usbhid-ups -a ups -DDDDD -x pollfreq=30 -i 30 2>&1 | egrep 
'(update|ups.status)'
    8.580411     upsdrv_updateinfo...
    8.831572     Quick update...
    8.832351     send_to_all: SETINFO ups.status "OL CHRG"
    8.832807     upsdrv_updateinfo...
    9.084535     Quick update...
   38.833152     upsdrv_updateinfo...
   39.085481     Quick update...
(AC removed at this point)
   68.833928     upsdrv_updateinfo...
   68.844373     Full update...
   69.511072     send_to_all: SETINFO ups.status "OB DISCHRG"
(AC restored)
   98.833548     upsdrv_updateinfo...
   98.839093     Quick update...
   98.955823     send_to_all: SETINFO ups.status "OL CHRG"

Regards.