Another observation: when on Analog Headphones port extremely soft sound
can be heard through headphones. Using Ubuntu's default sound
configuration, setting the volume to the maximum (over 100%), the only
alert sound I can even notice from the Sound Effects tab is the Glass
sound, the others are too faint.
** Tags added: apport-collected running-unity
** Description changed:
Output from: `lsb_release -rd`
Description: Ubuntu 11.10
Release: 11.10
Output from: `apt-cache policy alsa-base`
alsa-base:
Installed: 1.0.24+dfsg-0ubuntu2
Candidate: 1.0.24+dfsg-0ubuntu2
Version table:
*** 1.0.24+dfsg-0ubuntu2 0
500 http://nl.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages
100 /var/lib/dpkg/status
Expected:
1) Plug-in headphones
2) Output switches automatically to 'Internal Audio Analog Stereo' port
'Analog Headphones'
3) Speakers are muted
4) Sound resumes on headphones
What happens:
1) Plug-in headphones
2) Output switches automatically to 'Internal Audio Analog Stereo' port
'Analog Headphones'
3) Speakers are muted
4) Headphones are muted as well!
Further notes:
* When switching back to the 'Analog Speakers' port sound works on the
headphones and speakers are muted.
* I have a second headphone socket which is marked as an S/PDIF output and
works on the PCM channel at `alsamixer`
* Setting Auto-Mute Mode in `alsamixer` to 'Disabled' prevents the automatic
switching (step 2) and lets sound play on both the speakers and headphones.
* When setting Auto-Mute Mode in `alsamixer` to 'Disabled' to have both
speakers and headphones output audio, the 'Headphone' and 'Speaker' channels
control both speaker and headphone volume and assumes the volume level of
whichever channel was changed last.
+ ---
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
+ ApportVersion: 1.23-0ubuntu4
+ Architecture: amd64
+ ArecordDevices:
+ **** List of CAPTURE Hardware Devices ****
+ card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog]
+ Subdevices: 0/1
+ Subdevice #0: subdevice #0
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: beanow 1848 F.... pulseaudio
+ /dev/snd/pcmC0D0c: beanow 1848 F...m pulseaudio
+ /dev/snd/pcmC0D0p: beanow 1848 F...m pulseaudio
+ Card0.Amixer.info:
+ Card hw:0 'PCH'/'HDA Intel PCH at 0xf1c00000 irq 50'
+ Mixer name : 'Intel CougarPoint HDMI'
+ Components : 'HDA:10ec0665,102804b6,00100003
HDA:80862805,80860101,00100000'
+ Controls : 27
+ Simple ctrls : 13
+ DistroRelease: Ubuntu 11.10
+ EcryptfsInUse: Yes
+ InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
+ NonfreeKernelModules: nvidia
+ Package: alsa-driver (not installed)
+ ProcEnviron:
+ PATH=(custom, no user)
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
+ Tags: oneiric running-unity
+ Uname: Linux 3.0.0-14-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
+ dmi.bios.date: 10/20/2011
+ dmi.bios.vendor: Dell Inc.
+ dmi.bios.version: A07
+ dmi.board.name: 0YR8NN
+ dmi.board.vendor: Dell Inc.
+ dmi.board.version: A00
+ dmi.chassis.type: 8
+ dmi.chassis.vendor: Dell Inc.
+ dmi.chassis.version: 0.1
+ dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd10/20/2011:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0YR8NN:rvrA00:cvnDellInc.:ct8:cvr0.1:
+ dmi.product.name: Dell System XPS L502X
+ dmi.sys.vendor: Dell Inc.
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https://bugs.launchpad.net/bugs/913451
Title:
Headphone output on wrong port Dell XPS 15
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