At Sat, 01 Dec 2001 17:42:21 +0100,
Thomas wrote:
> 
> I recently purchased a CM8738 card.
> 
> Alsa 0.9 beta 9 and beta 10 work fine for analog output, but the digital 
> I/O does not seem to work in Linux. A small test in Windows showed the 
> digital output fully functional.
> 
> The only way I have been able to get some audio on the digital output is 
> to use the 'IEC958 DAC to Out' option in alsamixer. However the output 
> is alway at full level, and sounds extremely distorted.
 
For output of PCM over SPDIF, you need to turn on only "IEC958 Output
Switch".  Please check alsa-driver/docs/CMIPCI.txt for more details.


Takashi

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