[alsa-devel] snd_pcm_ops

Mark Brown broonie at sirena.org.uk
Fri Nov 14 11:07:11 CET 2008

On Fri, Nov 14, 2008 at 10:08:01AM +0100, John Kacur wrote:

> How is this supposed to work if somewhere down the line
> substream->ops->copy is called?

copy() is an optional operation - if it is not provided then the ALSA core
provides$ a default implementation (see snd_pcm_lib_write_transfer() for

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