Please can someone shed a little light on this?

Greatly appreciated,
Karl

On Tue 120424, Karl Kiniger wrote:
> Dear all,
> 
> guvcview does not display the extra controls (focus, led etc)
> any more since kernel 3.2 an higher (Fedora 16, x86_64).
> 
> after the various video modes it says:
> 
> vid:046d
> pid:0990
> driver:uvcvideo
> Adding control for Pan (relative)
> UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
> checking format: 1196444237
> VIDIOC_G_COMP:: Inappropriate ioctl for device
> fps is set to 1/25
> drawing controls
> 
> Checking video mode 640x480@32bpp : OK
> 
> ----------
> 
> /usr/bin/uvcdynctrl -i /usr/share/uvcdynctrl/data/046d/logitech.xml
> [libwebcam] Unsupported V4L2_CID_EXPOSURE_AUTO control with a non-contiguous 
> range of choice IDs found
> [libwebcam] Invalid or unsupported V4L2 control encountered: ctrl_id = 
> 0x009A0901, name = 'Exposure, Auto'
> Importing dynamic controls from file 
> /usr/share/uvcdynctrl/data/046d/logitech.xml.
> ERROR: Unable to import dynamic controls: Invalid device or device cannot be 
> opened. (Code: 5)
> /usr/share/uvcdynctrl/data/046d/logitech.xml: error: device 'video0' \
>     skipped because the driver 'uvcvideo' behind it does not seem to support \
>         dynamic controls.
> 
> ----------
> 
> Is there work in progess to get the missing functionality back?
> 
> Can I help somehow?
> 
> Greetings,
> Karl
> 
> 
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