As per https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1190890/comments/12 .
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1190890 Title: AMD Radeon HD 7640G [1002:9903] [Dell Inspiron 5425] No HDMI audio output with radeon driver Status in “linux” package in Ubuntu: Fix Released Bug description: CID: 201206-11418 Dell Inspiron N5425 HDMI video output works fine on this system, but no HDMI audio output. Tried with adding "radeon.audio=1" to GRUB_CMDLINE_LINUX_DEFAULT into /etc/default/grub as indicated in #864735, but this problem still exist after finishing those steps. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.5.0-34-generic 3.5.0-34.55~precise1 ProcVersionSignature: Ubuntu 3.5.0-34.55~precise1-generic 3.5.7.13 Uname: Linux 3.5.0-34-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25. ApportVersion: 2.0.1-0ubuntu17.3 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 1: Generic [HD-Audio Generic], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ubuntu 1678 F.... pulseaudio /dev/snd/controlC0: ubuntu 1678 F.... pulseaudio CRDA: country TW: (2402 - 2472 @ 40), (3, 27) (5270 - 5330 @ 40), (3, 17), DFS (5735 - 5815 @ 40), (3, 30) Card0.Amixer.info: Card hw:0 'HDMI'/'HDA ATI HDMI at 0xfeb44000 irq 52' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100300' Controls : 6 Simple ctrls : 1 Card0.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Card1.Amixer.info: Card hw:1 'Generic'/'HD-Audio Generic at 0xfeb40000 irq 16' Mixer name : 'Conexant CX20590' Components : 'HDA:14f1506e,10280561,00100003' Controls : 20 Simple ctrls : 10 Date: Fri Jun 14 15:23:37 2013 HibernationDevice: RESUME=UUID=770418a5-35a9-4a8e-b5e7-1773a925f90e InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213) MachineType: Dell Inc. Inspiron 5425 MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-34-generic root=UUID=9514e072-517d-4e5f-8d45-fd769b1a95c6 ro quiet splash radeon.audio=1 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.5.0-34-generic N/A linux-backports-modules-3.5.0-34-generic N/A linux-firmware 1.79.4 SourcePackage: linux StagingDrivers: rts5139 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/30/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: X31 dmi.board.name: Inspiron 5425 dmi.board.vendor: Dell Inc. dmi.board.version: A02 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrX31:bd01/30/2013:svnDellInc.:pnInspiron5425:pvrNotSpecified:rvnDellInc.:rnInspiron5425:rvrA02:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: Inspiron 5425 dmi.product.version: Not Specified dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1190890/+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