Comment 36 for bug 188972

We figured this out and got it working on a Dell Vostro 1520 by pulling the
latest alsa code from svn.

We got it going for a Dell Inspiron 15 with a slightly different technique.

When we get a sec, we'll update the ticket with more information.

2009/10/8 Andrew Hawkins <email address hidden>

> This is still a problem in Karmic. I get very a very weak signal from
> the internal mic on my Dell 1420 with a SigmaTel STAC9228 sound card and
> no signal at all from a line-in microphone. Changing the setting in
> sound preferences or alsamixer does nothing at all.
>
> --
> mic not working on dell vostro 1310 1400 with hda intel (gutsy and hardy)
> https://bugs.launchpad.net/bugs/188972
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “linux” package in Ubuntu: Incomplete
>
> Bug description:
> Binary package hint: linux-backports-modules-hardy-generic
>
> I've got a Dell Vostro 1400 with a hda intel sound card. I've had a cupple
> of problems with the sound, but they got (more or less) sorted out. But the
> mic has never been working, neither the built-in nor an external one.
>
> I had gutsy installed and now I changed it to the alpha-release of hardy,
> but nothing has changed regarding the function of the mic. On my machine I
> had running 2.6.22-14, 2.6.24-3, 2.6.24-4 and 2.6.24-5, but it seemed to
> make no difference.
>
> I could not find any report how to fix it neither in the ubuntu forums nor
> in the Dell forums, so I'm trying it here.
>

--
Andrew