Public bug reported: I'm getting no input signal at all with these devices.
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-36.63-lowlatency 3.13.11.6 Uname: Linux 3.13.0-36-lowlatency x86_64 ApportVersion: 2.14.1-0ubuntu3.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: zequence 1679 F.... pulseaudio /dev/snd/controlC0: zequence 1679 F.... pulseaudio CurrentDesktop: XFCE Date: Thu Oct 2 19:02:28 2014 InstallationDate: Installed on 2014-10-02 (0 days ago) InstallationMedia: Ubuntu-Studio 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.1) PackageArchitecture: all SourcePackage: alsa-driver UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/08/2008 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: R2111Q0 dmi.board.asset.tag: N/A dmi.board.name: VAIO dmi.board.vendor: Sony Corporation dmi.board.version: N/A dmi.chassis.asset.tag: N/A dmi.chassis.type: 10 dmi.chassis.vendor: Sony Corporation dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR2111Q0:bd09/08/2008:svnSonyCorporation:pnVGN-CR31Z_R:pvr01:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A: dmi.product.name: VGN-CR31Z_R dmi.product.version: 01 dmi.sys.vendor: Sony Corporation ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1376849 Title: em28xx audio device no sound (Pinnacle Dazzle DVC100, Terratec Grabby) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1376849/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs