Sherwin Soltani wrote:

> 
> Another question: if I am using two different nodes which both refer
> to the same device for input and output, for example:
> 
> reading from /dev/oss/oss_envy240/pcmin0
> writing to /dev/oss/oss_envy240/pcm1
> 
> Do I need to set the device into duplex mode with SNDCTL_DSP_SETDUPLEX
> because they are on the same physical card?

SNDCTL_DSP_SETDUPLEX is not applicaple in this case.

Best regards,

Hannu
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