I was on Ubuntu 15.10 for a long time and I did not have any issues. A
week ago I updated to Ubuntu 16.04 and the dialog started appearing
every time I plug in the same earphones I was using for more than 2
years now. Very annoying.
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"Unknown audio device" dialog pops up every time I plug in headphones
Status in unity-settings-daemon package in Ubuntu:
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.
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
USER PID ACCESS COMMAND
/dev/snd/controlC1: mark 1949 F.... pulseaudio
/dev/snd/controlC0: mark 1949 F.... pulseaudio
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)
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
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.vendor: Dell Inc.
dmi.board.vendor: Dell Inc.
dmi.chassis.vendor: Dell Inc.
dmi.product.name: Latitude E7440
dmi.sys.vendor: Dell Inc.
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