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Cc: freebsd-usb@freebsd.org
Subject: Re: adding quirks to umass(4)
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> >   umass0: vendor 0x0784 product 0x4300, rev 1.10/3.00, addr 2
> >   umass0: Get Max Lun not supported (SHORT_XFER)
> >   umass0: Invalid CSW: sig 0x43425355 should be 0x53425355
...
> > so I guess I need to set CAM_QUIRK_NOLUNS and something to adjust
> > the sig.  This is on a Dell Optiplex GX1 with 6.1, and the camera
> > is a Vivitar ViviCam 3825.
>
> There is a quirk, WRONG_CSWSIG, that will fix this.

How do I do that?  Do I need to edit kernel sources and rebuild,
or can quirks be set up using something like camcontrol(8)?