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Re: if I were a newbie how would I get sound?



Douglas Tutty wrote:
On Sun, Dec 17, 2006 at 09:22:47PM -0800, Andrew Sackville-West wrote:
On Sun, Dec 17, 2006 at 11:56:28PM -0500, Douglas Tutty wrote:

[...]

Yesterday I downloaded xorg.  Today I downloaded some apps (I'm on very
slow dialup at 1.5-2.5 KB/s) and alsa.  Tomorrow I'll get something that
will make a sound.  I ran alsaconf which is supposed to get things set
up and raise default (0) mixer levels.  I then played speaker-test and
got nothing out of the headphone jack on the front of the computer.  I
don't have speakers.  Once I get everything I need downloaded then I'll
poke around a bit.  Right now I'd just like to listen to a CD.  Later,
I'd like to listen to radio shows I missed on cbc.ca.
well, first thing... do you know the front jacks are connected? they
sometimes aren't. also check to see if the sound modules are inserted
(lsmod | grep snd). I usually do sound early on and it generally seems
to just work. I do a find / -name \*wav which finds some of the built
in system sounds and then do an alsaplayer <results from find>. look
in your mixer, maybe you have a seperate volume control for
headphones?

I know they're connected since I assembled the computer.  The sound is
integral to the Asus M2N-SLI Deluxe MB: (from the MB manual)

	SoundMAX ADI AD1988B 8-channel CODEC
	Supports Jack Sensing, Enumeration, Multi-Streaming, and
		Jack-Retasking Technology.
	Optical and Coaxial S/PDIF Out interfaces.


<snip>

Looks like a nice board. But the sound...
This:
http://www.alsa-project.org/alsa-doc/index.php?vendor=All#matrix
does not list the AD1988B as supported: it lists AD1881
AD1881A AD1885 AD1886 AD1887 AD1980 AD1981A AD1981B AD1985.

A recent kernel (2.6.17-ck1) lists only AD1889 as a module.

This:
http://www.linuxquestions.org/questions/showthread.php?t=476927
mentions a patch:
http://uwsg.iu.edu/hypermail/linux/kernel/0610.3/1989.html
for the northbridge chipset you have.
This:
/usr/src/linux-2.6.17/Documentation/sound/alsa/hda_codec.txt
describes the chipset.

Worthwhile trying to adapt the patch to your kernel.

In short, if you are a newbie and have this board, you would *not* get sound.

Hugo

























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