This bug is still present in the kernel released with Ubuntu 13.10:
linux 3.11.0-12-generic
from package
linux-image-3.11.0-12-generic
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https://bugs.launchpad.net/bugs/1213719
Title:
[Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio
codecs
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
powertop reports that two audio codecs are both up 100% of the time,
even when no sound is playing.
100,0% Audio codec hwC0D0: Realtek
100,0% Audio codec hwC0D3: Intel
This happens on a Samsung Series 9 NP900X3D-A03IT.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-37-generic 3.5.0-37.58~precise1
ProcVersionSignature: Ubuntu 3.5.0-37.58~precise1-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gioele 1759 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:10ec0269,144dc0d3,00100202
HDA:80862806,80860101,00100000'
Controls : 25
Simple ctrls : 11
Date: Sun Aug 18 22:42:34 2013
HibernationDevice: RESUME=UUID=7e63a512-9a2c-4503-9bd9-ec2f74a7f029
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130504)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 900X3C/900X3D/900X3E/900X4C/900X4D
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-37-generic
root=UUID=9d6c757c-fda7-49cb-9e7c-e382ebdc4d53 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-37-generic N/A
linux-backports-modules-3.5.0-37-generic N/A
linux-firmware 1.79.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2013
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: P07ABK
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: NP900X3D-A03IT
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvrP07ABK:bd04/09/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3C/900X3D/900X3E/900X4C/900X4D:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP900X3D-A03IT:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 900X3C/900X3D/900X3E/900X4C/900X4D
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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