Public bug reported:
No sound in USB headphones - mic does not work either. lsusb indicated
that the system does see the headphones. External speakers work fine and
continue to work even when USB headphones are plugged in.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: chris 1954 F.... pulseaudio
/dev/snd/controlC0: chris 1939 F.... xfce4-volumed
chris 1954 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xfe028000 irq 22'
Mixer name : 'Realtek ALC1200'
Components : 'HDA:10ec0888,103c2a66,00100101'
Controls : 31
Simple ctrls : 19
Card1.Amixer.info:
Card hw:1 'U0xd8c0x0c'/'USB Device 0xd8c:0x0c at usb-0000:00:02.0-6, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB0d8c:000c'
Controls : 7
Simple ctrls : 3
Date: Thu May 3 19:11:12 2012
InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: USB sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/17/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 5.19
dmi.board.name: Acacia
dmi.board.vendor: PEGATRON CORPORATION
dmi.board.version: 1.02
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr5.19:bd10/17/2008:svnHP-Pavilion:pnNC689AA-ABAs3700y:pvr:rvnPEGATRONCORPORATION:rnAcacia:rvr1.02:cvnHewlett-Packard:ct3:cvrChassisVersion:
dmi.product.name: NC689AA-ABA s3700y
dmi.sys.vendor: HP-Pavilion
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/994301
Title:
usb headphones not working
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