[alsa-devel] Conexant CX20561 - Microphone problems

[Takashi Iwai]

At Thu, 5 Nov 2009 06:34:36 -0500,
Shawn Starr wrote:
> 
> > > The interference is coming from: ALSA Capture on default (seems to be the
> > > digital device), yet HDA Intel [CONEXANT Analog] has no such
> > > interference.
> > 
> > I don't understand what you mean here at all....
> > 
> I'm not understanding what 'default' is in this case.  How many capture 
> (microphone) inputs does this device have?   It really seems strange to me 
> that one capture input has so much interference.  I just don't know what it is 
> using.
> 
> **** List of CAPTURE Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0

So, you have only this PCM stream for capture.


> **** List of PLAYBACK Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0
> card 0: Intel [HDA Intel], device 1: Conexant Digital [Conexant Digital]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0

These are for playback, not capture.


Takashi