Hello,
so you mean that the HDMI audio output works fine before, but it does not work
anymore?
The kernel 3.5.0-22 you are using is pretty old, Haswell platform might not be
supported yet.
Have you tried to upgrade your system?
(search "update manager" in Ubuntu dash)
Thanks
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1250994
Title:
[Inspiron 3537, Intel Haswell HDMI, Digital Out, HDMI] No sound at all
Status in “alsa-driver” package in Ubuntu:
Incomplete
Bug description:
there is no sound all of the sudden.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-22.34~precise1-generic 3.5.7.2
Uname: Linux 3.5.0-22-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 3: HDMI 0 [HDMI 0]
Subdevices: 0/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
ArecordDevices: **** List of CAPTURE Hardware Devices ****
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: manjunath 2537 F.... pulseaudio
/dev/snd/pcmC0D3p: manjunath 2537 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xc0810000 irq 63'
Mixer name : 'Intel Haswell HDMI'
Components : 'HDA:80862807,80860101,00100000'
Controls : 6
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Thu Nov 14 00:47:08 2013
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-precise-amd64-20130203-1
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary
20130203-13:50
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:MID failed
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_DevicesInUse:
2537 2537 manjunath F.... pulseaudio
/dev/snd/pcmC0D3p: manjunath F...m pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [Inspiron 3537, Intel Haswell HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/11/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: Inspiron 3537
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A01
dmi.modalias:
dmi:bvnDellInc.:bvrA01:bd06/11/2013:svnDellInc.:pnInspiron3537:pvr1747:rvnDellInc.:rnInspiron3537:rvrA01:cvnDellInc.:ct8:cvrA01:
dmi.product.name: Inspiron 3537
dmi.product.version: 1747
dmi.sys.vendor: Dell Inc.
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