AMD HDMI Audio [1002:aa68] no HDMI audio output with snd_hda_intel driver

[Po-Hsu Lin]

CID: 201108-8338

There is no HDMI audio

Steps:
1. Install 12.04.4, boot to desktop.
2. Try to play a sound through the HDMI port

Expected result:
* HDMI audio works fine.

Actual result:
* No HDMI output source available in Sound Settings

http://www.alsa-project.org/db/?f=603c957920d655ff924a950ea3fc5064f63270f2

01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Cedar HDMI Audio [Radeon HD 5400/6300 Series] [1002:aa68]
 Subsystem: Bitland(ShenZhen) Information Technology Co., Ltd. Device [1642:aa68]
 Flags: bus master, fast devsel, latency 0, IRQ 48
 Memory at fe640000 (64-bit, non-prefetchable) [size=16K]
 Capabilities: <access denied>
 Kernel driver in use: snd_hda_intel
 Kernel modules: snd-hda-intel

WORKAROUND:
1. Adding "radeon.audio=1" into the grub parameter as indicated in bug 864735
2. Or you can install the proprietary driver.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.11.0-15-generic 3.11.0-15.25~precise1 [modified: boot/vmlinuz-3.11.0-15-generic]
ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.11.0-15-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: ubuntu 1716 F.... pulseaudio
 /dev/snd/controlC0: ubuntu 1716 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xfe700000 irq 47'
   Mixer name : 'Realtek ALC662 rev1'
   Components : 'HDA:10ec0662,17aa307c,00100101'
   Controls : 36
   Simple ctrls : 18
Card1.Amixer.info:
 Card hw:1 'Generic'/'HD-Audio Generic at 0xfe640000 irq 48'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100200'
   Controls : 7
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Mon Mar 31 21:57:56 2014
HibernationDevice: RESUME=UUID=ab871f11-e346-4694-b52f-879962d2a394
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
IwConfig:
 eth0 no wireless extensions.

 lo no wireless extensions.
MachineType: LENOVO FFFFFFFFFF
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic root=UUID=24ed35d5-757c-40e7-a1fd-b3e820f89035 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.11.0-15-generic N/A
 linux-backports-modules-3.11.0-15-generic N/A
 linux-firmware 1.79.9
RfKill:

SourcePackage: linux-lts-saucy
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/11/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 9QKT14AUS
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: LENOVO
dmi.board.version: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnLENOVO:bvr9QKT14AUS:bd03/11/2011:svnLENOVO:pnFFFFFFFFFF:pvrLenovoProduct:rvnLENOVO:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: FFFFFFFFFF
dmi.product.version: Lenovo Product
dmi.sys.vendor: LENOVO

[Daniel Letzeisen (dtl131)]

Did you enable the HDMI audio manually? If not, then this is a duplicate of bug 864735.

[Po-Hsu Lin (cypressyew)]

Hello Daniel,
I think the HDMI audio was intentionally disabled, adding "radeon.audiio=1" into the grub parameter could solve this.
Or you can install the proprietary driver.