[alsa-devel] Intel HDA - AD1883 Codec - Jack Sense / Detect

[Takashi Iwai]

At Tue, 3 Nov 2009 08:32:55 -0700,
Alan Bennett wrote:
> 
> Hello;
>   We have a custom motherboard Intel HDA / AD1883.  For output, we connect
> the headphone jack and the mono / front speaker.
> 
>   We are unable to get audio in Linux (Windows is fine) that activates the
> front/mono speaker.   The headphones work without a problem.  However, none
> of the 4 "model=" strings improve the situation.  The headphones always
> work, but no configuration will activate the onboard front/mono speaker.
> 
>   Is there a way to query the live status of the AD1883 / jack-detect/sense?

You can use hda-verb program.
See Documentation/sound/alsa/HD-Audio.txt.


Takashi