You have been subscribed to a public bug:
Looking at the outside of the system, the external audio jacks are in
this order:
Mic ___ Headphone ___
However, on testing, it appears that they are either mislabled, or the
outputs are reversed internally. I had to plug the headphones into the
Mic jack to hear sound, and plug the mic into the headphone jack to
record sound.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-25-generic 3.5.0-25.39~precise1
ProcVersionSignature: Ubuntu 3.5.0-25.39~precise1-generic 3.5.7.4
Uname: Linux 3.5.0-25-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1545 F.... pulseaudio
/dev/snd/pcmC0D0c: ubuntu 1545 F...m pulseaudio
CRDA:
country TW:
(2402 - 2472 @ 40), (3, 27)
(5270 - 5330 @ 40), (3, 17), DFS
(5735 - 5815 @ 40), (3, 30)
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0x50710000 irq 48'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:111d76e0,103c1894,00100102
HDA:80862806,80860101,00100000'
Controls : 24
Simple ctrls : 11
Date: Wed Feb 27 03:05:29 2013
HibernationDevice: RESUME=UUID=286b25cc-7928-4406-854e-6c1cae69a6e6
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MachineType: Hewlett-Packard HP Pavilion dm4 Notebook PC
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic
root=UUID=0c6af5a9-e287-43f5-8ce6-647a4ae228f2 ro quiet splash initcall_debug
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-25-generic N/A
linux-backports-modules-3.5.0-25-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/31/2012
dmi.bios.vendor: Insyde
dmi.bios.version: B.38
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 1894
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 72.66
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrB.38:bd10/31/2012:svnHewlett-Packard:pnHPPaviliondm4NotebookPC:pvr0888100000250E10000020000:rvnHewlett-Packard:rn1894:rvr72.66:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dm4 Notebook PC
dmi.product.version: 0888100000250E10000020000
dmi.sys.vendor: Hewlett-Packard
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Assignee: Canonical Hardware Enablement Team (canonical-hwe-team)
Status: Confirmed
** Tags: 201209-11790 amd64 apport-bug precise qa-kernel-lts-testing
running-unity taipei-lab
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[HP Pavilion dm4, IDT 92HD91BXX] external audio jacks are reversed
https://bugs.launchpad.net/bugs/1134069
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Packages, which is subscribed to alsa-driver in Ubuntu.
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