[Bug 275998] Re: internal mic capture very low volume when routed through pulseaudio

Rocko rockorequin at hotmail.com
Sat Dec 20 07:53:03 UTC 2008

The notes from https://bugs.launchpad.net/dell/+bug/309508 say it's for
a different subsystem id from the XPS M1530 (which is 022e instead of
0271) so I wouldn't have thought it would help.

However, haven't said that, I did briefly manage to get working with
this combination:

* kernel 2.6.27-11
* alsa-base 1.0.18.dfsg-1ubuntu2
* alsa-utils 1.0.18-1ubuntu3
* linux-sound-base 1.0.17.dfsg-2ubuntu1
* pulseaudio 0.9.13-2ubuntu3 [although pulseaudio  fromis not currently running - it segment faults if I try to run it]
* Audio conferencing sound capture set to ALSA (not the HDA intel card)

With this setup, the digital capture control changed the volume
recording level in gnome-sound-recorder as I adjusted it. I then
(foolishly) tried to run pulseaudio (which segment faulted) and
subsequently the ALSA capture device stopped working - only the HDA
Intel source works now, and the digital capture volume control doesn't
adjust the level for this capture source. (The digital capture volume
control doesn't even always appear when I restart alsa.)

The alsa 1.0.18 packages are from the jaunty repository. I tried
removing everything to do with sound to revert to alsa 1.0.17 but
couldn't because when I tried to revert libasound2, synaptic wanted to
remove just about every other package including unrelated ones like
compiz, and I ran into a problem installing libasound2-plugins (to get
pulseaudio back) without uninstalling libasound2 first.

internal mic capture very low volume when routed through pulseaudio
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