On Tue, Dec 07, 2010 at 11:29:15AM +0200, Peter Ujfalusi wrote: > Fair enough. > I did taken a look at the possibility to do the register update between DAPM > power down and up, but I thought it is a bit big change (the place, where the > DAPM power down and up happens is quite deep, and I was not sure how to inject > things between those). Stash the callback in the DAPM context - we have to lock the context to do the path walks anyway so no issue with reentrancy. > If we do the update at the same time (or around), when the power for the > switch would have been enabled, than we are filtering the switching for the > DAPM widgets before the switch. On the other hand it's possible that this will result in a sharp switch in of a DC offset rather than a slow ramp, and anything doing DC offset correction is going to want its input to be up before correcting. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
