[alsa-devel] [PATCH] ALSA: pcm - introduce soc_delay

[Jassi Brar]

On 23 July 2012 16:09, Vinod Koul <vinod.koul at linux.intel.com> wrote:

> Take the case of a DSP which employs DMA on input and output (of the
> DSP)
> At start, DSP would buffer some data, assuming a period. And assume app
> has filed one period only. So at start as we buffered a period, ALSA
> threw up wrong xrun, as it wasn't aware that this buffer is not yet
> rendered.
>
I thought the data was supposed to leave the ring-buffer only _after_
the TRIGGER_START call ?