USB Mixer: usb_id=0x046d082d, ctrlif=2, ctlerr=0
Card: HD Pro Webcam C920 at usb-0000:00:1d.0-1.6, high speed
Unit: 5
Control: name="Mic Capture Volume", index=0
Info: id=5, control=2, cmask=0x0, channels=1, type="S16"
Volume: min=5120, max=12800, dBmin=2000, dBmax=5000
0dB is not within dBmin 20dB and dBmax 50dB
post the pulseaudio verbose log
https://wiki.ubuntu.com/PulseAudio/Log
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https://bugs.launchpad.net/bugs/1264654
Title:
No sound from Logitech HD Pro Webcam C920
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I'm trying to use Logitech HD Pro Webcam C920 on Ubuntu 13.10, but not
getting any sound from it. The camera is detected properly and
displayed in Pulseaudio volume control, it's not muted but the audio
level bar always stays at 0. I can see video from it in Skype or
WebRTC apps in Chrome, but no audio. I can see no errors in dmesg or
other logs.
Kernel version: Ubuntu 3.11.0-14.21-generic 3.11.7
pulseaudio version: 1:4.0-0ubuntu6
---
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lastique 2393 F.... pulseaudio
/dev/snd/controlC1: lastique 2393 F.... pulseaudio
/dev/snd/pcmC1D0p: lastique 2393 F...m pulseaudio
/dev/snd/controlC2: lastique 2393 F.... pulseaudio
DistroRelease: Ubuntu 13.10
InstallationDate: Installed on 2012-12-29 (363 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
(20121017.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
virbr0 no wireless extensions.
MachineType: System manufacturer System Product Name
MarkForUpload: True
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic
root=UUID=9e81b2ba-5525-4d9d-b45c-48093a115d64 ro quiet splash nomodeset
ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
RelatedPackageVersions:
linux-restricted-modules-3.11.0-14-generic N/A
linux-backports-modules-3.11.0-14-generic N/A
linux-firmware 1.116
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Tags: saucy
Uname: Linux 3.11.0-14-generic x86_64
UpgradeStatus: Upgraded to saucy on 2013-10-17 (71 days ago)
UserGroups: adm cdrom dip fuse libvirtd lpadmin plugdev sambashare sudo
dmi.bios.date: 11/09/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3603
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z68-V PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3603:bd11/09/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
---
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lastique 2393 F.... pulseaudio
/dev/snd/controlC1: lastique 2393 F.... pulseaudio
/dev/snd/pcmC1D0p: lastique 2393 F...m pulseaudio
/dev/snd/controlC2: lastique 2393 F.... pulseaudio
DistroRelease: Ubuntu 13.10
InstallationDate: Installed on 2012-12-29 (363 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
(20121017.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
virbr0 no wireless extensions.
MachineType: System manufacturer System Product Name
MarkForUpload: True
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic
root=UUID=9e81b2ba-5525-4d9d-b45c-48093a115d64 ro quiet splash nomodeset
ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
RelatedPackageVersions:
linux-restricted-modules-3.11.0-14-generic N/A
linux-backports-modules-3.11.0-14-generic N/A
linux-firmware 1.116
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Tags: saucy
Uname: Linux 3.11.0-14-generic x86_64
UpgradeStatus: Upgraded to saucy on 2013-10-17 (71 days ago)
UserGroups: adm cdrom dip fuse libvirtd lpadmin plugdev sambashare sudo
dmi.bios.date: 11/09/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3603
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z68-V PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3603:bd11/09/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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