** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1513169
Title:
[USB-Audio - MDR-1ADAC, playback] volume muting problem.
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
My device is getting muted every time I plug it in. It's muted in ALSA - the
ALSA mixer is the only place I can unmute it.
In alsamixer Card: MDR-1ADAC, Chip: USB Mixer, there I see 2 items - iAP
interface and iAP interface 1. I need to unmute both, to be able to hear the
audio.
This is real inconvenience now, however it was a big problem until I
discovered that the device is just muted, and still working.
This behaviour is sins my last update on 2015-11-2 before that the device was
working properly every time, no unmuting was ever required.
Here is what I found about that:
In /var/lib/alsa/asound.state I have this about the device
state.MDR1ADAC {
control.1 {
iface PCM
name 'Playback Channel Map'
value.0 0
value.1 0
comment {
access read
type INTEGER
count 2
range '0 - 36'
}
}
control.2 {
iface MIXER
name 'iAP Interface Playback Switch'
value.0 false
value.1 false
comment {
access 'read write'
type BOOLEAN
count 2
}
}
control.3 {
iface MIXER
name 'iAP Interface Playback Switch'
index 1
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.4 {
iface MIXER
name 'iAP Interface Playback Volume'
value.0 127
value.1 127
comment {
access 'read write'
type INTEGER
count 2
range '0 - 127'
dbmin -12700
dbmax 0
dbvalue.0 0
dbvalue.1 0
}
}
control.5 {
iface MIXER
name 'iAP Interface Playback Volume'
index 1
value 127
comment {
access 'read write'
type INTEGER
count 1
range '0 - 127'
dbmin -12700
dbmax 0
dbvalue.0 0
}
}
}
for control.2 I change the values to true
value.0 true
value.1 true
and then for control.3 I change the value to true.
After this changes the USB device is no longer muted when I pluged it
in. And this solves my issue for now.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-66.108-generic 3.13.11-ckt27
Uname: Linux 3.13.0-66-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.18
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Nov 4 19:26:20 2015
InstallationDate: Installed on 2012-09-24 (1136 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: MDR-1ADAC - MDR-1ADAC
Symptom_Type: Volume slider, or mixer problems
Title: [USB-Audio - MDR-1ADAC, playback] volume slider problem
UpgradeStatus: Upgraded to trusty on 2014-06-23 (499 days ago)
dmi.bios.date: 08/21/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F7
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H77-DS3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF7:bd08/21/2012:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH77-DS3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
modified.conffile..etc.modprobe.d.alsa.base.conf: [modified]
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2015-11-04T19:04:31.832056
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