Dell XPS420 - STAC9227 Line-In Jack

Gregory Boehnlein damin at
Wed Oct 29 14:22:26 GMT 2008

Done that. It doesn't allow me to change the record source. In fact, the
list of options is pretty slim. I've also tried a few other mixers as well..


From: ubuntu-studio-users-bounces at
[mailto:ubuntu-studio-users-bounces at] On Behalf Of
Christopher Stamper
Sent: Wednesday, October 29, 2008 8:28 AM
To: Ubuntu Studio Users Help and Discussion
Subject: Re: Dell XPS420 - STAC9227 Line-In Jack



On Wed, Oct 29, 2008 at 4:06 AM, Gregory Boehnlein <damin at> wrote:

       I'm running Ubuntu Studio 8.0.4 on a Dell XPS420. The sound-card
identifies itself as an STAC9227 (Sigmatel) audio card. I'm using the
"hda-intel" Alsa driver. I am using the "position_fix=1" option in my alsa
config to get rid of Xruns w/ Jack and things seem to be working alright for
the moment. I am running w/ the 2.6.24-21-rt kernel. Audio Out works fine,
and I can record using the front microphone input, but for the life of me, I
cannot get the rear line-in jack to pick up audio. If I boot into Windows,
it works fine, so the port is working properly. Does anyone have any
suggestions on how to get the Line-In port on the STAF9227 working?

Try running QAmix and using it set recording source. 

Christopher Stamper

Email: christopherstamper at
Skype: cdstamper

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