runtime->boundary

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Hi,

Can anyone help explain what is runtime->boundary and what is the value that is set for this? It seems to be a pretty huge value when I try and print it.

Also in snd_pcm_indiret_capture_transfer, I see this code snippet;


If (diff < runtime->boundary /2)
	diff += runtime->boundary

what is the reason for the same? If its for handling ring buffer wrapping, should I be setting my runtime->boundary to rumtime->buffer_size in the driver code?

Thanks,
Harsha

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