On Wed, Nov 11, 2009 at 11:37 AM, Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Nov 11, 2009 at 11:38:06AM -0500, Jon Smirl wrote: >> > Providing a final valid data point to the driver would possibly even >> > make things worse since if it were used then you'd have the equivalent >> > race where the application has initialized some data but not yet managed >> > to update the driver to tell it it's being handed over; if the driver > >> That's an under run condition. > > Yes, of course - the issue is that this approach encourages them, making > the system less robust if things are on the edge. The mpc5200 seems to > be not just on the edge but comfortably beyond it for some reason. I can't reproduce the issue at all as long at the dev_dbg() statement in the trigger stop path is disabled. With it enabled, I hear the problem every time. The 5200 may not be a speedy beast, but it is plenty fast enough to shut down the audio stream before stale data starts getting played out. g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
