[alsa-devel] Intel HD SigmaTel STAC9221 - Wrong input after output change

[Takashi Iwai]

At Sun, 27 May 2007 23:33:27 +0100,
Ivan N. Zlatev wrote:
> 
> Hello,
> 
> I am on an iMac ("*imac-20" model/pinconfig) with a Intel HD card with
> the SigmaTel STAC9221 codec. I have attached the inital codec info
> after modprobe. When I plug in and then unplug my speakers the
> microphone stops working. Reproduction steps with codec dump diffs as
> follows

I guess you can restore the status via toggling "Line In as Output
Switch" and "Mic as Output Switch" mixer elements.  The problem looks
like the unsolicited event handling.  It doesn't cope with the shared
input jacks well.


Takashi


> 
> 
> 1) Initial codec info - attached - Microphone working
> 
> 2) Plug in speakers - Microphone working
> 
>  Node 0x0c [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x9017e110: [Fixed] Speaker at Int N/A
>      Conn = Analog, Color = White
> -  Pin-ctls: 0x00:
> +  Pin-ctls: 0x40: OUT
>    Connection: 1
>       0x03
> 
> 
> 3) Unplug speakers - Microphone not working
> 
> Node 0x0b [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x90a7012e: [Fixed] Mic at Int N/A
>      Conn = Analog, Color = Unknown
> -  Pin-ctls: 0x44: OUT
> +  Pin-ctls: 0x04:
>    Connection: 1
>       0x04
>  Node 0x0c [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x9017e110: [Fixed] Speaker at Int N/A
>      Conn = Analog, Color = White
> -  Pin-ctls: 0x40: OUT
> +  Pin-ctls: 0x00:
>    Connection: 1
>       0x03
>  Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x0837: IN OUT Detect
>    Pin Default 0x0181e020: [Jack] Line In at Ext Rear
>      Conn = 1/8, Color = White
> -  Pin-ctls: 0x40: OUT
> +  Pin-ctls: 0x00:
>    Connection: 1
>       0x05
> 
> 
> 4) Plug in speakers again - Microphone not working
> 
>  Node 0x0b [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x90a7012e: [Fixed] Mic at Int N/A
>      Conn = Analog, Color = Unknown
> -  Pin-ctls: 0x04:
> +  Pin-ctls: 0x44: OUT
>    Connection: 1
>       0x04
>  Node 0x0c [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x9017e110: [Fixed] Speaker at Int N/A
>      Conn = Analog, Color = White
> -  Pin-ctls: 0x00:
> +  Pin-ctls: 0x40: OUT
>    Connection: 1
>       0x03
>  Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x0837: IN OUT Detect
>    Pin Default 0x0181e020: [Jack] Line In at Ext Rear
>      Conn = 1/8, Color = White
> -  Pin-ctls: 0x00:
> +  Pin-ctls: 0x40: OUT
>    Connection: 1
>       0x05
> 
> -- 
> Ivan N. Zlatev
> 
> Web: http://www.i-nZ.net
> "It's all some kind of whacked out conspiracy."