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Hello,

The internal mic of my Dell Vostro 1500 is extreamly quiet. It does work but one need to shout to get anything recorded. I've been trying to use all the STAC9025 models
STAC9205/9254
=============
  ref		Reference board
  dell-m42	Dell (unknown)
  dell-m43	Dell Precision
  dell-m44	Dell Inspiron
  eapd		Keep EAPD on (e.g. Gateway T1616)
  auto		BIOS setup (default)

in /etc/modprobe.d/alsa-base.conf, but non of these changed the signal
level.

I was also playing with alsamixer and various settings including muting
left/right channel as suggested in some other page without any effect.

The mic works good in vista.

Debug information:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1393576/+attachment/4263142/+files/debuginfo.txt

---
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D1', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: XFCE
DistroRelease: Ubuntu 14.10
HibernationDevice: RESUME=UUID=4ad31b6d-9421-44c6-8fa9-1c51f8e868c3
MachineType: Dell Inc. Vostro 1500
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic root=UUID=4fb34b1f-a7fe-4664-a794-eece38edeb6c ro splash quiet
ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-24-generic N/A
 linux-backports-modules-3.16.0-24-generic  N/A
 linux-firmware                             1.138
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
Tags:  utopic
Uname: Linux 3.16.0-24-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

_MarkForUpload: True
dmi.bios.date: 04/21/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0WY040
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd04/21/2008:svnDellInc.:pnVostro1500:pvr:rvnDellInc.:rn0WY040:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Vostro 1500
dmi.sys.vendor: Dell Inc.

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


** Tags: apport-collected kernel-bug-exists-upstream kernel-bug-exists-upstream-3.18-rc5 kernel-sound latest-bios-a06 utopic
-- 
internal mic is extreamly quiet
https://bugs.launchpad.net/bugs/1393576
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