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[Bug 535476] Re: CM106 usb sound card incorrectly detected as stereo only

To: ubuntustudio-bugs@xxxxxxxxxxxxxxxxxxx
From: Raymond <535476@xxxxxxxxxxxxxxxxxx>
Date: Tue, 24 Jun 2014 23:28:07 -0000
Reply-to: Bug 535476 <535476@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa?id=527078523815587bfd021bc1d10782403e9b3e84

it was expilicitly disabled by the above patch

you need to ask the author if you think it is regression

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https://bugs.launchpad.net/bugs/535476

Title:
  CM106 usb sound card incorrectly detected as stereo only

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

Bug description:
  My usb CM106 card is 5.1 capable but pavucontrol and gnome-volume-
  control will only let me set it as if it was a stereo device.

  - On another computer running ubuntu 9.10 (a desktop with an onboard ICH9 surround card), this is correctly recognized as 5.1 capable, no matter what system account I am using (so it's not a configuration issue)
  - On a third computer, a laptop with onboard stereo, this usb sound card exhibits the same problem: it is recognized only as stereo.

  ProblemType: Bug
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jeff       1115 F.... pulseaudio
   /dev/snd/controlC0:  jeff       1115 F.... pulseaudio
   /dev/snd/pcmC0D0c:   jeff       1115 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'ICH6'/'Intel ICH6 with AD1981B at irq 22'
     Mixer name	: 'Analog Devices AD1981B'
     Components	: 'AC97a:41445374'
     Controls      : 26
     Simple ctrls  : 18
  Card1.Amixer.info:
   Card hw:1 'default'/'USB Sound Device         at usb-0000:00:1d.1-2, full speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB0d8c:0102'
     Controls      : 14
     Simple ctrls  : 6
  Date: Tue Mar  9 21:39:12 2010
  DistroRelease: Ubuntu 10.04
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100113)
  Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_CA.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
  SourcePackage: alsa-driver
  Symptom: audio
  Title: Soundcard not detected
  Uname: Linux 2.6.32-16-generic i686

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