Audio barely heard from headphone, amplified. no sound from laptop speakers either [ALI5451 - ALI 5451] ALSA test tone not correctly played back
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
alsa-driver (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
1
Description: Ubuntu 10.04.4 LTS
Release: 10.04
2
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.04.4 LTS
Release: 10.04
Codename: lucid
3
I expect the sound to work.
4
no sound from speakers, headphones play very faint sound when amplified.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.
ProcVersionSign
Uname: Linux 2.6.32-21-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: A5451 [ALI 5451], device 0: ALI 5451 [ALI 5451]
Subdevices: 0/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/pcmC0D0c: toshiba 8379 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'A5451'/'ALI 5451 at 0x1000, irq 11'
Mixer name : 'Analog Devices AD1981B'
Components : 'AC97a:41445374'
Controls : 28
Simple ctrls : 20
Date: Sat Mar 31 03:20:48 2012
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PackageArchitec
ProcEnviron:
LANG=en_CA.utf8
SHELL=/bin/bash
SelectedCard: 0 A5451 ALI5451 - ALI 5451
SourcePackage: alsa-driver
Symptom: audio
Title: [ALI5451 - ALI 5451] ALSA test tone not correctly played back
dmi.bios.date: 05/19/2003
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 1.10
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.
dmi.modalias: dmi:bvnTOSHIBA:
dmi.product.name: Satellite A20
dmi.product.
dmi.sys.vendor: TOSHIBA
It could be an inverted amp. Add the following line to /etc/modprobe. d/alsa- base.conf:
options snd-intel8x0 ac97_quirk=inv_eapd
Reboot (or reload alsa) and see if that helps. If not, delete the line you added.