*** This bug is a duplicate of bug 1186879 *** https://bugs.launchpad.net/bugs/1186879
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: linux-lts-vivid (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-vivid in Ubuntu. https://bugs.launchpad.net/bugs/1229662 Title: [AMD Radeon HD 6450][1002:6779] No DisplayPort audio output with radeon driver Status in linux-lts-vivid package in Ubuntu: Confirmed Status in xserver-xorg-video-ati-lts-raring package in Ubuntu: Confirmed Bug description: CID: 201201-10383 Dell Optiplex 7010 DT No DisplayPort audio output with the open source radeon driver. The output source does not appear in the Sound settings when the DisplayPort was connected. This problem could be solved by installing the AMD proprietary driver. And according to comment #5 in bug 1186879, it seems that this audio feature was disabled intentionally. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xserver-xorg-video-radeon-lts-raring 1:7.1.0-0ubuntu2~precise1 ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5 Uname: Linux 3.8.0-29-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.4 Architecture: amd64 Date: Tue Sep 24 06:32:44 2013 InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: xserver-xorg-video-ati-lts-raring UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1229662/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp