> Actually, it couldn't be much simpler. I think what you're looking for is
> the "Exposure, Auto" control, which looks something like this:
>
> Auto-exposure mode
> ID : 15,
> Type : Choice,
> Flags : { CAN_READ, CAN_WRITE },
> Values : { 'Manual'[1], 'Aperture priority'[8] },
> Default : 8
>
> Setting the control to 1 disables auto-gain and setting it back to 8
> reenables it. If you look at the UVC specification you'll see the meaning
> of the different bits, but 1 and 8 are the only values supported by the
> Logitech cameras.
Actually, the bit you are interested in are D0 and D3. 1 and 8 are the control
values.
Laurent Pinchart
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