Public bug reported:
CID: 201304-13407 Dell E7240
Although the HDMI/DP audio output of this device is supported in 3.8
kernel, but it seems that it's not supported in 3.11 kernel yet.
Steps:
1. Install 12.04.4, boot to desktop
2. Connect a HDMI/DP cable to it, try to play sound with the speaker of the
monitor.
Expected result:
* Sound could be played through the speaker of the monitor.
Actual result:
* No HDMI/DP output device available
00:03.0 Audio device [0403]: Intel Corporation Device [8086:0a0c] (rev 09)
Subsystem: Dell Device [1028:05ca]
Flags: bus master, fast devsel, latency 0, IRQ 65
Memory at f7e34000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:1b.0 Audio device [0403]: Intel Corporation Lynx Point-LP HD Audio
Controller [8086:9c20] (rev 03)
Subsystem: Dell Device [1028:05ca]
Flags: bus master, fast devsel, latency 0, IRQ 64
Memory at f7e30000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
Alsa-info
http://www.alsa-project.org/db/?f=02c67086f18c07eb3d727d75bebc5476e388bcfa
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
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC292 Analog [ALC292 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1497 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1497 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xf7e34000 irq 65'
Mixer name : 'Intel Haswell HDMI'
Components : 'HDA:80862807,80860101,00100000'
Controls : 21
Simple ctrls : 3
Card1.Amixer.info:
Card hw:1 'PCH'/'HDA Intel PCH at 0xf7e30000 irq 64'
Mixer name : 'Realtek ALC292'
Components : 'HDA:10ec0292,102805ca,00100001'
Controls : 28
Simple ctrls : 13
Date: Sun Feb 9 21:49:18 2014
HibernationDevice: RESUME=UUID=88b6917b-05a2-4e50-9884-bc52522c47a4
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64
(20140204)
MachineType: Dell Inc. Latitude E7240
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic
root=UUID=c942dec6-e8d5-41b7-baf8-f3f81bd493d8 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
SourcePackage: linux-lts-saucy
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/05/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0G05MN
dmi.board.vendor: Dell Inc.
dmi.board.version: X01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd10/05/2013:svnDellInc.:pnLatitudeE7240:pvr01:rvnDellInc.:rn0G05MN:rvrX01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7240
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
** Affects: linux-lts-saucy (Ubuntu)
Importance: Undecided
Assignee: Anthony Wong (anthonywong)
Status: New
** Tags: 201304-13407 amd64 apport-bug certification-grey dp-audio hdmi-audio
precise qa-kernel-lts-testing running-unity taipei-lab
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https://bugs.launchpad.net/bugs/1278265
Title:
No HDMI/DP audio for Intel Lynx Point-LP HD Audio Controller
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