On Sun, 12 Aug 2012, Laurent Bigonville wrote:

> > I don't know how well this will work, but you can tell the computer
> > not to ask for all those reports by using an appropriate module
> > parameter for the usbhid driver:
> > 
> >     modprobe usbhid quirks=0x0463:0xffff:0x8
> > 
> > Or maybe you'll need to put an equivalent "options" line in some file 
> > under /etc/modprobe.d/.
> > 
> > Anyway, let's see if that works.
> 
> It seems it's with this parameter, the "lag" is down to 3 sec.

But does the UPS work okay when you use the parameter?  If it does, the
quirk information can be added to a permanent table in the usbhid
driver.

Alan Stern

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