Could you check the entire control list with:
 "luvcview -L" or "guvcview --verbose"

Regards,
Paulo


2010/1/15 Alex Makarov <[email protected]>:
> Hi,
>
> It looks like it does not export any focus:
>
>  VideoControl Interface Descriptor:
>      bLength                18
>      bDescriptorType        36
>      bDescriptorSubtype      2 (INPUT_TERMINAL)
>      bTerminalID             1
>      wTerminalType      0x0201 Camera Sensor
>      bAssocTerminal          0
>      iTerminal               0
>      wObjectiveFocalLengthMin      0
>      wObjectiveFocalLengthMax      0
>      wOcularFocalLength            0
>      bControlSize                  3
>>>       bmControls           0x0000000a
>>>         Auto-Exposure Mode
>>>         Exposure Time (Absolute)
> VideoControl Interface Descriptor:
>
> Does that mean the camera has no focus control at all?
>
> Regards,
> Alex
>
>
> On Fri, Jan 15, 2010 at 13:37, Paulo Assis <[email protected]> wrote:
>> Hi,,
>> Autofocus is probably software driven in windows.
>> Does the camera export a manual focus at least ?
>> If it does it may be possible to patch guvcview so that it's internal
>> software AF engine can be used with that particular model, like it is
>> now for some logitech models.
>>
>> Regards,
>> Paulo
>>
>> 2010/1/15 Alex Makarov <[email protected]>:
>>> Hello
>>>
>>> Can't make AF to work on Syntek camera 174f:5271. It doesn't work out
>>> of the box, and setting appropriate ioctl doesn't help (setting
>>> brightness etc via the same ioctl works). Ioctl says the feature is
>>> not supported, meanwhile, AFAIK, this camera has auto-focus.
>>>
>>> Any information on that?
>>>
>>> Regards,
>>> Alex
>>> _______________________________________________
>>> Linux-uvc-devel mailing list
>>> [email protected]
>>> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
>>>
>>
>
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