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[Bug 1213719] Re: [Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio codecs

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sat, 26 Oct 2013 14:41:18 -0000
Reply-to: Bug 1213719 <1213719@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Description changed:

- powertop reports that two audio codecs are both up 100% of the time,
- even when no sound is playing.
+ On my Samsung Series 9 NP900X3D-A03IT despite setting the PowerTOP -> Tunables setting for:
+ Bad Enable Audio codec power management
  
+ to:
+ Good Enable Audio codec power management
  
-         100,0%        Audio codec hwC0D0: Realtek
-         100,0%        Audio codec hwC0D3: Intel
- 
- This happens on a Samsung Series 9 NP900X3D-A03IT.
+ PowerTOP reports that the 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
  
  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
+  **** 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
+  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
+  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
+  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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https://bugs.launchpad.net/bugs/1213719

Title:
  [Samsung NP900X3D-A03IT] Powertop shows 100% Device Usage for audio
  codecs

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  On my Samsung Series 9 NP900X3D-A03IT despite setting the PowerTOP -> Tunables setting for:
  Bad Enable Audio codec power management

  to:
  Good Enable Audio codec power management

  PowerTOP reports that the 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

  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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References

[Bug 1213719] [NEW] 100% Device Usage
From: Gioele Barabucci, 2013-08-18