[Bug 541802] [NEW] PCM 100% is much higher than 0 dB for codec ssid 0x1631c20e

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This bugfix has been part of the upstream stable update for Lucid to
2.6.32.13 (see Bug #583414).

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For my laptop specific sound card (see apport report), the sound is too high at first startup live cd and first boot, and the maximum limit is too high too.
I guess i could damage speakers and ears if i put maximum volume, and i won't try for my safety....
Normal use of sound is actually around 15% and maximum volume usable without damages 25%
As i have no control on the pcm stuff i can't adjust the amplifier stuff.

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
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:  valombre   1252 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf4600000 irq 22'
   Mixer name	: 'Conexant CX20549 (Venice)'
   Components	: 'HDA:14f15045,1631c20e,00100100'
   Controls      : 18
   Simple ctrls  : 8
Date: Fri Mar 19 11:43:07 2010
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: alsa-driver
Uname: Linux 2.6.32-16-generic x86_64

** Affects: linux (Ubuntu)
     Importance: Low
     Assignee: Daniel T Chen (crimsun)
         Status: Fix Committed


** Tags: amd64 apport-bug iso-testing lucid
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PCM 100% is much higher than 0 dB for codec ssid 0x1631c20e
https://bugs.edge.launchpad.net/bugs/541802
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