[alsa-devel] Intel HDA volume low

Takashi Iwai tiwai at suse.de
Fri Mar 13 00:56:56 CET 2009

At Sun, 08 Mar 2009 04:23:26 -0700,
Daniel Stodden wrote:
> Hi.
> I've got a Lenovo Thinkpad T400 with snd_hda_intel:
> 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
> Controller (rev 03)
> Subsystem: Lenovo Device 20f2
> I think this is the same chip which recently quirks entries to work
> around docking issues on the Thinkpad x200.
> The codec is identified as a conexant CX20561 (Hermosa).
> Running Ubuntu 8.10 with 2.6.27, the Volume is extremely low. Quality
> seems okay, but setting Master and PCM outputs to 100% is barely
> audible. There's a bunch of similar reports on the Internet. I could not
> find any workaround but Window users usually report the volume should be
> fine.
> I tried 2.6.28 but to no avail. Will verify against latest git.
> Could someone help me fix this? I don't actually know much about the
> hardware in question, but would also willing to poke a little around in
> patch_conexant.c, if that could help identifying the issue. Provided
> someone someone around here has advice on what to try out.

Try the very latest alsa-driver in sound git tree

or the snapshot tarball

There are some fixes recently regarding Conexant codecs.

If this still doesn't work, please run alsa-info.sh with --no-upload
option and attach the generated file.  The script is found at



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