internal mic is extreamly quiet

[dzinkss]

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.

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1393576

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[dzinkss (dzinkss)]

apport information

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[penalvch (penalvch)]

Cut from Bug Description

[penalvch (penalvch)]

dzinkss, thank you for reporting this and helping make Ubuntu better. Could you please test the latest upstream kernel available from the very top line at the top of the page (the release names are irrelevant for testing, and please do not test the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue.

If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested exactly shown as:
kernel-fixed-upstream-3.18-rc5

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description.

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding.

[dzinkss (dzinkss)]

I've tested this against v3.18-rc5-vivid and see no difference.

[penalvch (penalvch)]

dzinkss, did this problem not occur in a release prior to Utopic?

[dzinkss (dzinkss)]

I haven't been using (xu)ubuntu before, but I've just tried 14.04 live cd and the problem exists there too. I've also tried 12.04 live cd too, but pavucontrol crashes there, so I'm unable to check.

I've been using SLC6.X (RHEL) so far and I had it working there. I'm 98% sure that I had to install something like 'backport' alsa modules to get it working.

[Raymond (superquad-vortex2)]

!Sysfs Files
!!-----------

/sys/class/sound/hwC0D0/init_pin_configs:
0x0a 0x0321101f
0x0b 0x03811020
0x0c 0x40f000f0
0x0d 0x90170110
0x0e 0x40f000f1
0x0f 0x40f000f2
0x14 0x40f000f3
0x16 0x40f000f4
0x17 0x90a60030
0x18 0x40f000f5
0x21 0x40f000f6
0x22 0x40f000f7

/sys/class/sound/hwC0D0/driver_pin_configs:
0x0a 0x0321101f
0x0b 0x03a11020
0x0c 0x400003fa
0x0d 0x90170310
0x0e 0x400003fb
0x0f 0x400003fc
0x14 0x400003fd
0x16 0x40f000f9
0x17 0x90a60330
0x18 0x400003ff
0x21 0x0144131f
0x22 0x40c003fe

this meam that some pins are fixed by the driver

you have to find out which patch fix the pins

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda/patch_sigmatel.c?qt=grep&q=stac9205

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]