Same issue (sound on both speakers and headphones) on an HP G60-530US
Notebook.
$ uname -a
2.6.31-20-generic #57-Ubuntu SMP Mon Feb 8 09:02:26 UTC 2010 x86_64 GNU/Linux
$ sudo head -n 1 /proc/asound/card0/codec*
[sudo] password for gg:
==> /proc/asound/card0/codec#0 <==
Codec: Conexant CX20583 (Pebble HSF)
==> /proc/asound/card0/codec#2 <==
Codec: Intel G45 DEVCTG
$ modinfo snd_hda_codec_conexant
filename:
/lib/modules/2.6.31-20-generic/updates/alsa/snd-hda-codec-conexant.ko
description: Conexant HD-audio codec
license: GPL
alias: snd-hda-codec-id:14f15067
alias: snd-hda-codec-id:14f15066
alias: snd-hda-codec-id:14f15051
alias: snd-hda-codec-id:14f15047
alias: snd-hda-codec-id:14f15045
srcversion: A5AC94ADF38C7D4C2A7B824
depends: snd-hda-codec,snd
vermagic: 2.6.31-20-generic SMP mod_unload modversions
$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.22.1.
Compiled on Feb 8 2010 for kernel 2.6.31-20-generic (SMP).
$ apt-cache policy linux-backports-modules-karmic-generic
linux-backports-modules-karmic-generic:
Installed: 2.6.31.20.33
Candidate: 2.6.31.20.33
Version table:
*** 2.6.31.20.33 0
500 http://archive.ubuntu.com karmic-updates/main Packages
500 http://archive.ubuntu.com karmic-proposed/main Packages
100 /var/lib/dpkg/status
2.6.31.19.32 0
500 http://archive.ubuntu.com karmic-security/main Packages
2.6.31.14.27 0
500 http://archive.ubuntu.com karmic/main Packages
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: Conexant Digital [Conexant Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 3: INTEL HDMI 0 [INTEL HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
*-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:22 memory:d4700000-d4703fff
--
When headphones are plugged in, the speaker does not get muted automatically.
https://bugs.launchpad.net/bugs/477154
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