the alsa driver does not set up the power widget and vendor defined
power down as the windows driver

Node 0x19 [Power Widget] 
wcaps 0x500500: Mono 
Power states: D0 D3 Power: setting=D0, actual=D0 
Connection: 2 0x20 0x21

Node 0x23 [Vendor Defined Widget]
 wcaps 0xf00100: Mono 
Connection: 18 0x11* 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x24 0x25 0x38 0x39 
0x3a 0x3b 0x3c 0x3d 0x20 0x21


19 Mixer Power-Down Power widget Powers down the analog mixer and associated 
amps 
1A Analog PCBEEP Pin complex External analog PCBEEP signal input  
1B S/PDIF Out Pin complex S/PDIF output pin 
1C S/PDIF In Pin complex S/PDIF input pin 
1D S/PDIF Mixer Audio mixer Mixes the selected ADC with the digital stream to 
drive S/PDIF out 
1E MONO_OUT Mixer Audio mixer Selects the source that drives the MONO_OUT 
signal 
23 VREF Power-Down Vendor defined Powers down the internal and external VREF 
circuitry

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/993717

Title:
  sound is constantly lost, requiring a reboot or suspend

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  When watching movies, the sound is eventually and randomly lost between sound 
clips or movies, and the only way to get sound back is to suspend and wakeup or 
reboot the machine. No error messages show up. This is on 12.04 ubuntu.
  ---
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ill       1703 F.... xfce4-volumed
                        ill       1729 F.... pulseaudio
   /dev/snd/controlC1:  ill       1703 F.... xfce4-volumed
                        ill       1729 F.... pulseaudio
  DistroRelease: Ubuntu 12.10
  InstallationDate: Installed on 2012-07-28 (93 days ago)
  InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: alsa-driver (not installed)
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Tags:  quantal
  Uname: Linux 3.5.0-17-generic x86_64
  UpgradeStatus: Upgraded to quantal on 2012-10-12 (18 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 02/04/2010
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M2N-SLI DELUXE ACPI BIOS Revision 5001
  dmi.board.name: M2N-SLI DELUXE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2N-SLIDELUXEACPIBIOSRevision5001:bd02/04/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N-SLIDELUXE:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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