At 20 Aug 2002 05:17:30 -0000,
danu wrote:
> 
> Hello people,
> 
> I am new to this group.
> 
> 1) Does ALSA provide driver support for CS4205 codec ?

yes.
 
> 2) I am doing diagnostics for CS4205 codec. I set the codec in 
> Loopback mode(ADC o/p is fed to DAC i/p without involving 
> AC-Link), Feed data to LINE_IN Pin using external Function 
> generator and try to analyse the output at LINE_OUT.
> But i don't get any o/p at the LINE_OUT pin. I set the codec in 
> Digital Centeric mode and all other register setting seems to be 
> fine.
> 
> Anyone encountered such problems with Loop Back mode with cirrus 
> codecs ?

did you set the module option "enable_loopback" for snd-ac97-codec?
without it, no ADC/DAC loopback control will appear.


Takashi


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