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[Ercan MUTLU <fercanm@xxxxxxxxx>]

@Anton (lancaster217)

TRUST ME GUYS PROBLEM GOES FROM CONNEXANT SOUND CHIP. 
I WILL PROVE YOU: 
-------------------------------
During usage of nearly 2 years of my Laptop(Toshiba L750) CONNEXANT SOUND CHIP  IS NEVER OVER HEATED  (NOT CPU, CPU STAYS ON DIFFERENT LOCATION,CPU Temp is about 40 degree,BUT MY SOUND CHIP IS MORE THEN 60 degree)
 Where do I know ?  
    1.Place Your hand near your SOUND CHIP. MAKE SOUND LOUDER ( ? goes off faster)
     2.Wait for a MAX 2-3 min may be 5min (IF YOU LIVE IN COLD COUNTRY MAY BE 7 MIN OR MORE.) . When You feel on your palm heating increase You will see for i while that SOUND GOES OFF POWER STATE  TO 1.
 (laptops react to save your motherboard ) 
    3.DO THIS COMMAND FROM PROMPT :

hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0

      YOU SEE SOUND GOES BACK. BUT after 15-30 second may be 1 min TURNS OFF AGAIN.
    4.PLEASE WAIT ABOUT 4 MINUTES TILL COOLS DOWN THE SOUND CHIP, THEN DO THIS COMMAND AGAIN.
    YOU WILL SE THAT SOUNDS GOES BACK BUT  IT WORK  MORE THEN 3-4 MIN BECAUSE WE COOLED IT MORE.
   
MY TOSHIBA SUP. THEC. CENTER SAID ME : "WE KNOW THIS PROBLEM , SOLUTION IS CHANGE MOTHERBOARD.THERE IS NO ANOTHER WAY.",

BUT I FOUND THE SOLUTION LIKE OTHER GUYS SUFFERS FROM THIS CRAPPY  
  
SOLUTION IS : TO COOL THIS UGLY CHIP.  BUT HOW ? 
 I placed on to the sound chip 0.6 mm X 3cm x 10cm  to cool this guy. 
NOW, I AM HAPPY THAT MY SOUND CARD WORKS MORE THEN 3 HOURS IN A LOUDER MODE(8-10 volume), BUT IN NORMAL I mean normal my sound volume in a state of 2-3  is work ALWAYS. 
 TRY IT YOU WILL SEE.

-- 
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/1038479

Title:
  [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a
  while

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Restart will fix the issue, but sound always quits from internal
  speaker. Headphones work always.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
  Uname: Linux 3.2.0-29-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bernie     1838 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xc0600000 irq 44'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:14f15069,1179fc50,00100302 HDA:80862805,1179fc50,00100000'
     Controls      : 24
     Simple ctrls  : 11
  Date: Sat Aug 18 11:18:34 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Speaker, Internal
  Symptom_Type: Sound works for a while, then breaks
  Title: [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a while
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/13/2011
  dmi.bios.vendor: INSYDE
  dmi.bios.version: 2.20
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Base Board Product Name
  dmi.board.vendor: Intel Corp.
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvr2.20:bd07/13/2011:svnTOSHIBA:pnSatelliteL755:pvrPSK1WU-05N004:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: Satellite L755
  dmi.product.version: PSK1WU-05N004
  dmi.sys.vendor: TOSHIBA

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