Re: Copy call back for capture substream

[Clemens Ladisch <clemens@ladisch.de>]

kshemanth.vasireddi@wipro.com wrote:
> I had registered a copy call back.
> 
> all call backs are invoked, but copy call back is not
> getting invoked. Can you please let me know when will copy call  back
> shall be invoked, is there any condition for it.

It's right there in the source code.

The copy callback is called exactly when in the same circumstances when
the data of a 'normal' driver would be copied out of the device's
buffer, i.e., when some data is available.

I'd guess that your pointer callback does not return the correct values.

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Regards,
Clemens