[alsa-devel] No sound for HP Pavilion DV4z

[Takashi Iwai]

At Wed, 4 Feb 2009 17:42:32 -0500,
Andrew Eleneski wrote:
> 
> Hi,
> 
> I am running Kubuntu 8.10 64-bit and have no sound. Using the distribution
> supplied Alsa version, I was at one point able to have sound through just
> the headphone jacks, but after using this script (
> http://ubuntuforums.org/showthread.php?t=1046137&highlight=alsa+upgrade) and
> trying to upgrade to the latest version 1.0.19, I have no sound at all.
> Attached is my alsa-info.txt file to help in debugging what is wrong.
> 
> 1. Name your Ubuntu revision: Kubuntu 8.10 64-bit
> 2. Kernel revision: 2.6.27-11-generic
> 3. Alsa revision: 1.0.19
> 4. A bit of background what you've done resp. done before:
> I have tried multitudes of values in /etc/modprobe.d/alsa-base, nothing
> seems to work. Saw in changelog for Alsa 1.0.19 there were many changes
> geared toward HP dvX series laptops, seems to have no effect with mine.

Try model=hp-dv5 with the very latest alsa-driver snapshot below
    ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz

If you have a luck, it may work.  Some HP dv4 model seems to have a
broken BIOS while some has a correct one.


Takashi