** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1212639
Title:
MacBookAir6,2, No sound though speakers
Status in “alsa-driver” package in Ubuntu:
Fix Released
Bug description:
Hi there,
There is no sound from the Mac's internal speakers. Audio interface is
detected in pulseaudio and sound works through the headphones jack.
Adjusting the volume displays the volume control bar correctly, but it
has no effect.
MacBook Air 6,2
Intel® Core i7-4650U CPU @ 1.70GHz
8GB RAM
128GB SSD
Ubuntu 13.04
lspci | grep Audio
00:03.0 Audio device: Intel Corporation Device 0a0c (rev 09)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller
(rev 04)
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
Uname: Linux 3.11.0-rc4-custom x86_64
NonfreeKernelModules: wl
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: orm 1821 F.... pulseaudio
Date: Thu Aug 15 11:36:21 2013
InstallationDate: Installed on 2013-08-09 (6 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: orm 1821 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [MacBookAir6,2, Cirrus Logic ID 4208, Speaker, Internal] No sound at
all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/24/2013
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA61.88Z.0099.B00.1305241529
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-7DF21CB3ED6977E5
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir6,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-7DF21CB3ED6977E5
dmi.modalias:
dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B00.1305241529:bd05/24/2013:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
dmi.product.name: MacBookAir6,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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