Hi Hans, On Sat, May 28, 2011 at 04:58:20PM +0200, Hans Verkuil wrote: > On Saturday, May 28, 2011 12:34:21 Sakari Ailus wrote: > > Hi Hans, > > > > On Wed, May 25, 2011 at 03:33:51PM +0200, Hans Verkuil wrote: > > > From: Hans Verkuil <hans.verkuil@xxxxxxxxx> > > > > > > Whenever a control changes value or state an event is sent to anyone > > > that subscribed to it. > > > > > > This functionality is useful for control panels but also for applications > > > that need to wait for (usually status) controls to change value. > > > > Thanks for the patch! > > > > I agree that it's good to pass more information of the control (min, max > > etc.) to the user space with the event. However, to support events arriving > > from interrupt context which we've discussed in the past, such information > > must be also accessible in those situations. > > > > What do you think about more fine-grained locking of controls, say, spinlock > > for each control (cluster) as an idea? > > It's on my TODO list, but I need to think carefully on how to do it. > One thing at a time :-) I agree. I just wanted to hear your thoughts about this. :) -- Sakari Ailus sakari dot ailus at iki dot fi -- 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