Hi Sylwester, On Friday 02 March 2012 00:26:27 Sylwester Nawrocki wrote: > Hi Laurent, > > On 03/01/2012 11:30 PM, Laurent Pinchart wrote: > > One option would be to disable the focus area control when the focus > > distance is set to a value different than normal (or the other way > > around). Control change events could be used to report that to userspace. > > Would that work with your hardware ? > > What would work, would be disabling the focus distance control when the > focus area is set to a value different than "all". > > I have also been considering adding an extra menu entry for the focus > distance control, indicating some "neutral" state, but disabling the other > control sounds like a better idea. I couldn't find anything reasonable, as > there was already the focus distance "normal" menu entry. > > Then, after the focus are is set to, for instance, "spot", transition to > the focus distance "macro" would be only possible through focus area "all" > (where the focus distance is enabled again). I guess it's acceptable. > > It's only getting a bit harder for applications to present a single list > of the focus modes to the user, since they would, for instance, grey out > the entries corresponding to disabled control. It shouldn't be a big deal > though. It could indeed be a little bit confusing for users/applications, but having a separate private focus control wouldn't be much better :-) In both cases an application will need to know how to use the focus controls anyway. -- 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