Hi,

On Friday 23 November 2007, arakeis wrote:
> Hi all,
>
> attached the result of lsusb -v on device,
>
> dmesg output showing the pb :
> > uvcvideo: Found UVC 1.00 device <unnamed> (05ca:1839)
> > uvcvideo: Failed to query (135) UVC control 1 (unit 0) : -32 (exp. 26).
> > uvcvideo: Failed to query (129) UVC control 1 (unit 0) : -32 (exp. 26).
> > uvcvideo: Failed to initialize the device (-5).
> > usbcore: registered new interface driver uvcvideo
>
> so the webcam seems to have some uvc compliant hook but fails to
> initiate, firmware needed maybe ?

I think that's right. Previous Ricoh webcams were not completely USB 
compliant. Sam Revitch wrote a specific driver called r5u870 that handles 
firmware loading as well as device-specific requests. You should have a look 
at it.

> how can I help ?
>
> more info on the device :
>
> It is an ricoh webcam used on some vaio laptops : CR11 & CR21
> I've seen while googleing around that it exists on some pacard bell laptops
> as well.
> tested on opensuse10.3 ( r117 )
> I still have my vista partition so I can retrieve any drivers from it, if
> needed.

Best regards,

Laurent Pinchart
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