Re: [LAU] Question on multichannel audio on Inspiron 1525 [Ubuntu 8.10]

Peter O'Doherty wrote:
> Hi,
> I know this is quite a longshot as it is so specific to Ubuntu 8.10 on a
> Dell Inspiron 1525 and the (few?) people using it..! Anyway, here goes...
>
> I would like to use the two headphone jacks + the mic jack as outputs to
> create a 6 channel output (3 x stereo).
>
> So in qjackctl or patchage I guess I will need to patch it like this:
> audio out_1 & out_2 to system playback_1 & playback_2 (going to 1st
> headphone jack);
> audio out_3 & out_4 to system playback_3 & playback_4 (going to 2nd
> headphone jack);
> audio out_5 & out_6 to system playback_5 & playback_6 (going to mic jack).
>
> My problem is that I am already a few too many steps ahead of myself! To
> start off with I can't even get the 2nd headphone jack working, let
> alone set the mic up to send a signal.
>
> I've looked at the help "Second Headphone Jack Does Not Work" but it
> concerns 7.10 and is not relevant to me:
>
> http://linux.dell.com/wiki/index.php..._Does_Not_Work
> <http://linux.dell.com/wiki/index.php/Ubuntu_7.10/Issues/Second_Headphone_Jack_Does_Not_Work>
>
>
> Can anyone help me at least get started with setting the 2nd headphone
> jack up and getting independent audio to it? At least then I'll have 4
> outs to start with...
>
>

Can you send us the output of

    cat /proc/asound/cards

That will help us identify the driver for the card. It's probably an
intel hda but may be different.

Also can you run

    alsamixer

and check that your outputs are enabled?

Cheers.

-- 
Patrick Shirkey
Boost Hardware Ltd.
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