On Tue, Nov 26, 2013 at 10:55:17AM +0530, Padma Venkat wrote: > I tested this patch set on smdk5420 i2s. During playback audio playing > fast and there is underrun error like below. > underrun!!! (at least 0.061 ms long) > underrun!!! (at least 0.043 ms long)
This sounds like it's setting the transfer width incorrectly, though I can't immediately see how that's changed unless the DMA driver is not working correctly. What exactly did you do to test?
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