[alsa-devel] ALSA Debugging

Tobin Davis tdavis at dsl-only.net
Fri Mar 21 17:15:41 CET 2008

First, verify that you are working with the correct driver.  lsmod will
tell you which sound drivers are loaded.  If this is a newer system,
you're probably using the snd-hda-intel driver, which is a whole lot

On Fri, 2008-03-21 at 20:45 +0530, Vinod Koul wrote:

> Hello,
> I am new to ALSA and Linux. I was trying to understand the ALSA
> architecture.
> I have Linux Box with Intel sound card. with Suse 10.1 on it.
> I launched the audio player (Real player) and audio plays fine.
> Then, I built the kernel and installed it. I put some printk's in intel8x0.cand
> control.c. (could see the my code was complied)
> Even though I changed volume muted etc couldn't see any of my printk in
> dmesg. One default printk in intel8x0.c was there, so I have put my print
> before that line as well, but couldn't see anything.
> Apologies If my problem is very basic. I read on forums that best way to
> learn is to put printk's.
> Can anyone help me with where I am doing incorrectly, Am I supposed to do it
> this way or some other way?
> Thanks in advance
> -Vinod
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Tobin Davis 

The man on tops walks a lonely street; the "chain" of command is often a noose.

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