On Thu, Aug 12, 2010 at 10:59:19PM +0800, Randolph Chung wrote: > I will double check tomorrow, but I have another version of the code > that checks all the return values and I am quite sure the set_channels > didn't fail.... Actually, if the interval between the time periods doubles in the failure case that suggests that the hardware may have decided to start running in mono mode... _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel