USB webcam not attaching: proposed patch

[Hans Petter Selasky]

On 2020-05-21 14:27, José Pérez via freebsd-multimedia wrote:
> El 2020-05-21 13:23, Hans Petter Selasky escribió:
>> Hi,
>>
>> The match rule must be narrowed down a bit.
>>
>> Can you dump the full configuration and device descriptor for this
>> device? 0x0a is not correct interface class. This will make trouble
>> for USB ethernet devices.

Hi,

1) Match vendor ID, interface class (0xa) and interface subclass (0xFF).

There are a dozen of these devices:

drivers/media/usb/pwc/pwc-if.c:	{ USB_DEVICE(0x046D, 0x08B3) }, /* 
Logitech QuickCam Zoom (old model) */

I think that will suffice. Else the quirk will be too wide!

--HPS