Public bug reported:

small toshiba notebook
portege  r500-12p
Model PPR50E-06W09QGR

alsamixer app shows a sound card, all chanels enabled.
notebook got a rotary encoder volume wheel that seems to be supported by linux, 
since the volume popup/overlay pops up if used. but there is no sound at all. 
never. 

same on ubuntu 15.05 and 14.04lts

didnt found any help or solution on the net yet.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-66.108-generic 3.13.11-ckt27
Uname: Linux 3.13.0-66-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.18
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  user       1419 F.... lxpanel
Date: Thu Oct 29 00:14:37 2015
InstallationDate: Installed on 2015-10-28 (0 days ago)
InstallationMedia: Ubuntu  "Trusty" - Build amd64 LIVE Binary 20141224-10:35
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/04/2008
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 1.60
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias: 
dmi:bvnTOSHIBA:bvrVersion1.60:bd03/04/2008:svnTOSHIBA:pnPORTEGER500:pvrPPR50E-06W09QGR:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: PORTEGE R500
dmi.product.version: PPR50E-06W09QGR
dmi.sys.vendor: TOSHIBA

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1511148

Title:
  no sound at all on toshiba portege r500-12p

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