Hi Laurent:
I had solved it, because the hardware init work needs 300 milliseconds,
i only modified the
unicap-devel to get defaults value after waiting 300 milliseconds.
Thank you very much!
Best Regards,
Tomsun
2011/1/8 Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Hi,
>
> On Saturday 18 December 2010 08:49:08 tomsun wrote:
> > Dear All:
> > Now i came across some troubles on new CCD Devices. I can adjust HUE,
> > Brightness, Contrast, Saturation and so on, but i can't set default
> > parameter which be from firmware by WebCam application.
> > the below information comes form uvcvideo driver.
>
> [snip]
>
> > uvcvideo: Failed to query (129) UVC control 2 (unit 2) : -110 (exp. 2).
> > uvcvideo: Failed to query (129) UVC control 3 (unit 2) : -110 (exp. 2).
> > uvcvideo: Failed to query (129) UVC control 6 (unit 2) : -32 (exp. 2).
>
> Your camera seems to crash when you try to read the current value of the
> brightness, contrast and hue controls. Does it happen randomly, or every
> time
> you try to access those controls ?
>
> > Does anyone tell me why and how to solve it ?
>
> --
> Regards,
>
> Laurent Pinchart
>
--
Best Regards,
tomsun
_______________________________________________
Linux-uvc-devel mailing list
Linux-uvc-devel@lists.berlios.de
https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
