Hi, I'm testing with the Lucid RC and the problems still persist.  The
PCM is turned all the way up and the sound is distorted; this has been
the case going back to Gutsy since I've had this machine.  I tried to
record something with Sound Recorder and I expected to hear my own voice
when playing it back.  There was nothing heard.

As requested, I'm sending the attachment.

** Tags added: apport-collected

** Description changed:

  Feel free to mark this as a dupe of 278648, but as of Karmic, ThinkPad
  R61s with Conexant CX20549 (Venice) sound devices have non-functioning
  microphones and less-than-stellar sound output.  This submission is in
  hopes that ALSA can be patched by the Lucid LTS to include a working mic
  and fully functional sound.
  
  Currently the workaround requires the following:
  
  1.  Grabbing the ALSA upgrade script from
  http://ubuntuforums.org/showthread.php?p=6589810
  
  2.  Downloading the Conexant patch from
  
https://bugtrack.alsa-project.org/alsa-bug/login.php?username=guest&password=guest&return=/alsa-bug/view.php%3Fid%3D4163
  
  3.  Applying the patch:
  $ cd /to/your/directory/where/the/script/is/saved
  $ sudo sh ./AlsaUpgrade-1.0.x-rev-1.17.sh -d
  $ sudo patch 
/usr/src/Alsa-1.0.20/alsa-driver-1.0.20/alsa-kernel/pci/hda/patch_conexant.c 
~/path/to/patch_conexant.c.patch
  $ sudo ./AlsaUpgrade-1.0.x-rev-1.17.sh -i
  
  4.  Saving the patch and script in case of future kernel upgrades (at
  minimum performing the last command in step 3 after a kernel upgrade).
  
  5.  Upon rebooting, readjusting sound levels and performing the general
  PA fixes as suggested by other Ubuntu forum threads.
  
- According to the comments in 278648, this has NOT been submitted
- upstream and there doesn't seem to be a consensus on how to best notify
- upstream of the patch.  This is a potential showstopper for those with
- R61i machines who need to be able to use the microphone and the sooner
- this patch can be applied before Lucid, the better.
+ According to the comments in 278648, this has NOT been submitted upstream and 
there doesn't seem to be a consensus on how to best notify upstream of the 
patch.  This is a potential showstopper for those with R61i machines who need 
to be able to use the microphone and the sooner this patch can be applied 
before Lucid, the better.
+ --- 
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
+ 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:  ubuntu     2714 F.... pulseaudio
+ CRDA: Error: [Errno 2] No such file or directory
+ Card0.Amixer.info:
+  Card hw:0 'Intel'/'HDA Intel at 0xf8300000 irq 17'
+    Mixer name : 'Conexant CX20549 (Venice)'
+    Components : 'HDA:14f15045,17aa20db,00100100'
+    Controls      : 18
+    Simple ctrls  : 8
+ 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 10.04
+ LiveMediaBuild: Ubuntu 10.04 "Lucid Lynx" - Release Candidate i386 
(20100419.1)
+ MachineType: LENOVO 8932CTO
+ Package: linux (not installed)
+ PccardctlIdent:
+  Socket 0:
+    no product info available
+ PccardctlStatus:
+  Socket 0:
+    no card
+ ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/hostname.seed 
boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
+ ProcEnviron:
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
+ Regression: No
+ RelatedPackageVersions: linux-firmware 1.34
+ Reproducible: Yes
+ RfKill:
+  0: phy0: Wireless LAN
+       Soft blocked: no
+       Hard blocked: no
+ Tags: lucid audio needs-upstream-testing
+ Uname: Linux 2.6.32-21-generic i686
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
+ dmi.bios.date: 02/20/2008
+ dmi.bios.vendor: LENOVO
+ dmi.bios.version: 7OETB2WW (2.12 )
+ dmi.board.name: 8932CTO
+ 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:bvr7OETB2WW(2.12):bd02/20/2008:svnLENOVO:pn8932CTO:pvrThinkPadR61:rvnLENOVO:rn8932CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
+ dmi.product.name: 8932CTO
+ dmi.product.version: ThinkPad R61
+ dmi.sys.vendor: LENOVO

-- 
Conexant CX20549 Patch for ThinkPad R61i?
https://bugs.launchpad.net/bugs/476174
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