[alsa-devel] Audo capture not working with HP 9000 laptop and 2.6.32 kernel

Takashi Iwai tiwai at suse.de
Mon Oct 12 08:30:23 CEST 2009

At Sun, 11 Oct 2009 20:53:15 +0900,
Corey Boyle wrote:
> Hi
> I have an HP 9000 series laptop with an Intel HD sound card and Realtek
> ALC298 codec.  I am having a problem with audio capture ever since upgrading
> to the 2.6.32 kernel series from 2.6.31.  I have git bisected to this
> commit: 33d78674586aeb6a623b1e612e6f92dd83015ed3 "ALSA: hda - Use auto model
> for HP laptops with ALC268 codec".  After this commit I am not able to
> capture audio and using alsamixer I am not able to choose the input source.
> I was using "Front Mic" as the input source when this was working in
> 2.6.31.  I have uploaded my configuration using alsa-info before and after
> the commit.
> Before change
> http://www.alsa-project.org/db/?f=4f5d3eb02d4d62fa044a4eb0a3aae2614064b208
> After change
> http://www.alsa-project.org/db/?f=a9583da102419a9233cc469259c85ab81645d555
> Could someone please provide some help in getting this working, presumably
> without rolling back the previously mentioned commit?  I am not familiar
> with how the alsa code works but am willing to help out if given some
> guidance.

This should have been fixed on 2.6.32-rc4.  Give it a try.
The input source element is gone now for your devices, and the driver
chooses the capture source automatically per mic-jack plug.


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