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** Changed in: alsa-driver (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/886975

Title:
  [Thinkpad R61i/T61] Lenovo sound chip Conexant CX20549 Venice doesn't
  work correctly.

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Computer: IBM Lenovo Thinkpad R61i
  Card: HDA Intel
  Sound chip: Conexant CX20549 (Venice)
  Device: 00:1b.0 Audio device [0403]: Intel Corporation 82801H (ICH8 Family) HD Audio Controller [8086:284b] (rev 03)
   Subsystem: Lenovo ThinkPad T61 [17aa:20ac]
  System: Ubuntu Oneiric 11.10 (desktop-i386)
  Kernel: 3.0.0-12-generic-pae#20-Ubuntu SMP Fri Oct 7 16:37:17 UTC 2011

  Problems:
  1) Integrated microphone doesn't work at all because the driver uses node 0x14 instead of 0x15 for integrated mic and node 0x12 instead of 0x14 for external mic.
  2) Sound output is muted in the "0% <-> unamplified" part of the volume slider and is working in the "unamplified <-> 100% ->" part only; the driver doesn't allow amplified part because sound is distorted over 0dB of the PCM level so there is no need amplified part of the volume slider.

  Solution: Attached patch is fixing nodes of integrated and external microphone and is removing the amplified part of the volume slider.
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  c4pp4      1698 F.... pulseaudio
   /dev/snd/pcmC0D0p:   c4pp4      1698 F...m pulseaudio
  CRDA: Error: [Errno 2] Adresář nebo soubor neexistuje
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfe100000 irq 48'
     Mixer name	: 'Conexant CX20549 (Venice)'
     Components	: 'HDA:14f15045,17aa20db,00100100'
     Controls      : 19
     Simple ctrls  : 10
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7KHT24WW-1.08'
     Mixer name	: 'ThinkPad EC 7KHT24WW-1.08'
     Components	: ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  DistroRelease: Ubuntu 11.10
  HibernationDevice: RESUME=UUID=6e091b39-d59a-4d75-a7c5-dec246d020e5
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MachineType: LENOVO 89329ZG
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic-pae root=UUID=666241df-0a9e-4711-a44e-92d2e6f5eccc ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic-pae N/A
   linux-backports-modules-3.0.0-12-generic-pae  N/A
   linux-firmware                                1.60
  Tags:  oneiric
  Uname: Linux 3.0.0-12-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
  dmi.bios.date: 04/09/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7OETC4WW (2.24 )
  dmi.board.name: 89329ZG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7OETC4WW(2.24):bd04/09/2010:svnLENOVO:pn89329ZG:pvrThinkPadR61/R61i:rvnLENOVO:rn89329ZG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 89329ZG
  dmi.product.version: ThinkPad R61/R61i
  dmi.sys.vendor: LENOVO

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