the virtual master playback volume 's dBmin should be as same as its slaves
you have to send email to alsa devel mailing list
control.12 {
iface MIXER
name 'Master Playback Volume'
value 64
comment {
access 'read write'
type INTEGER
count 1
range '0 - 64'
dbmin -9999999
dbmax 0
dbvalue.0 0
}
}
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https://bugs.launchpad.net/bugs/888703
Title:
[320-1020m, IDT 92HD91BXX, Speaker, Front] Playback problem
Status in “alsa-driver” package in Ubuntu:
Confirmed
Bug description:
This is an HP TouchSmart 320, model number 320-1200m.
Sound to headphone jack works properly, but sound to built-in speakers
does not work. I have installed Windows, and with Windows 7 installed,
all audio hardware works properly, so this isn't a hardware fault.
I've looked at https://help.ubuntu.com/community/HdaIntelSoundHowto
and have been unable to find my card in
http://www.kernel.org/doc/Documentation/sound/alsa/HD-Audio-Models.txt
.
I have tried adding almost every conceivable model in the line
"options snd-hda-intel model=MODEL" line I added to /etc/modprobe.d
/alsa-base.conf.
I've gone to Control Center -> Sound Preferences to attempt settings
that make sound work. The "Hardware" tab shows one device: "Internal
Audio 1 Output / 1 Input Analog Stereo Duplex." There are two output
profiles listed in the selection box at the bottom of the tag: Analog
Stereo Duplex and Analog Stereo Output. Neither cause sound to emit
from the speakers.
I've also run alsamixer on the command-line and ensured that
everything is set to maximum and nothing is muted.
I have the same symptoms in 11.04 and 11.10.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 0: STAC92xx Analog [STAC92xx
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 0: STAC92xx Analog [STAC92xx
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mpower 1668 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xfeb40000 irq 16'
Mixer name : 'IDT 92HD91BXX'
Components : 'HDA:111d76e0,103c2acb,00100102'
Controls : 14
Simple ctrls : 9
Date: Thu Nov 10 11:10:12 2011
InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release i386
(20111011)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed
Symptom_Card: Internal Audio - HD-Audio Generic
Symptom_Jack: Speaker, Front
Symptom_Type: Only some of outputs are working
Title: [320-1020m, IDT 92HD91BXX, Speaker, Front] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/23/2011
dmi.bios.vendor: AMI
dmi.bios.version: 7.07
dmi.board.asset.tag: 2MD1400942
dmi.board.name: 2ACB
dmi.board.vendor: PEGATRON CORPORATION
dmi.board.version: 1.03
dmi.chassis.asset.tag: 2MD1400942
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnAMI:bvr7.07:bd08/23/2011:svnHewlett-Packard:pn320-1020m:pvr:rvnPEGATRONCORPORATION:rn2ACB:rvr1.03:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: 320-1020m
dmi.sys.vendor: Hewlett-Packard
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