I'm having the same problem on a Thinkpad T400s under Ubuntu 9.10. In
particular, the T400s has a single 1/8" jack for left and right speaker
output and external microphone input. I'm using the Bose mobile in-ear
headset. The sound output works fine. However, as in the original
post, the external microphone doesn't appear in
System->Preferences->Sound->Input; only the internal microphone appears.
I tried installing linux-alsa-driver-modules-2.6.31-19-generic from the
ubuntu-audio-dev PPA and upgrading other packages from the same PPA
(libpulse-browse0 libpulse-mainloop-glib0 libpulse0 pulseaudio
pulseaudio-esound-compat pulseaudio-module-bluetooth pulseaudio-module-
gconf pulseaudio-module-x11 pulseaudio-utils), but none of this had any
discernible effect. According to lshw, my audio hardware is:
*-multimedia
description: Audio device
product: 82801I (ICH9 Family) HD Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: p...@0000:00:1b.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=HDA Intel latency=0
resources: irq:17 memory:f2620000-f2623fff
Any movement on this bug?
Thanks,
TM
--
External microphone jack not working on Dell Studio 1735 notebook.
https://bugs.launchpad.net/bugs/479410
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