Re: [PATCH/RFC 0/2] Support controls at the subdev file handler level

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Hi,

On Thursday 10 March 2011 10:56:40 Jeongtae Park wrote:
> Hi, all.
> 
> Some hardware need to handle per-filehandle level controls.
> Hans suggests add a v4l2_ctrl_handler struct v4l2_fh. It will be work fine.
> Although below patch series are for subdev, but it's great start point.
> I will try to make a patch.
> 
> If v4l2 control framework can be handle per-filehandle controls,
> a driver could be handle per-buffer level controls also. (with VB2 callback
> operation)

Per-buffer controls would likely be implemented as a meta-data plane. This 
definitely needs to be brainstormed.

-- 
Regards,

Laurent Pinchart
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