I've got a combined headphone/headset socket on my Laptop. Every time I plug in my headphones, an "unknown audio device" dialog pops up asking whether I've plugged in headphones or a headset. This is isn't a great user experience as my phone can auto-detect the device.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-19.39-generic 3.13.6
Uname: Linux 3.13.0-19-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: mark 1949 F.... pulseaudio
/dev/snd/controlC0: mark 1949 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Mar 26 11:03:29 2014
InstallationDate: Installed on 2014-03-24 (2 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140323)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [Latitude E7440, Realtek ALC292, Green Headphone Out, Front] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.asset.tag: DE004505
dmi.board.name: 07F3F4
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.asset.tag: DE004505
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd02/18/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn07F3F4:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
!!Advanced information - PCI Vendor/ Device/ Subsystem ID's ------- ------- ------- ------- ------- ------- ------- --
!!-----
00:03.0 0403: 8086:0a0c (rev 0b)
Subsystem: 1028:05cb
--
00:1b.0 0403: 8086:9c20 (rev 04)
Subsystem: 1028:05cb
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ commit/ sound/pci/ hda/patch_ realtek. c?id=73bdd59782 3e2231dc882577d bbaf8df92fe1775
you may need to use a debug version of alsa driver to provide info in system log
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