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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html