I'm having same issue with same machine. Is there any news?
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https://bugs.launchpad.net/bugs/1807138
Title:
[ALC256 - Razer Blade 15 2018] Headphones not automatically detected
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
Running the command alsamixer allows me to manually increase the sound levels
for the headset, and sound plays properly through them. This requires me to
disable the auto-mute feature.
I haven't rebooted my system yet to see if this is permanent.
But the UI doesn't show the heaphones at all and only sends sound through the
main speakers of the laptop.
➜ ~ lspci -nnk | grep -i -A7 audio
00:1f.3 Audio device [0403]: Intel Corporation Device [8086:a348] (rev 10)
Subsystem: Razer USA Ltd. Device [1a58:2001]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation Device [8086:a323] (rev 10)
Subsystem: Razer USA Ltd. Device [1a58:2001]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
➜ ~ cat /proc/asound/card0/codec* | grep Codec
Codec: Realtek ALC256
Codec: Intel Kabylake HDMI
Using for example pavucontrol allows me to select the headphone, which are
marked as unplugged, and I can play audio through them as long as I keep the
application open.
If I reboot or close pavucontrol, everything is back to the original state
and only the speakers work.
Additional Information:
➜ ~ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
What I expect to happen:
When I plug in my headphones, Ubuntu and the UI should see them and
automatically redirect all sound through them.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
Uname: Linux 4.15.0-42-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: olivar 8320 F...m pulseaudio
/dev/snd/controlC0: olivar 8320 F.... pulseaudio
CurrentDesktop: X-Cinnamon
Date: Thu Dec 6 13:02:14 2018
InstallationDate: Installed on 2018-11-21 (15 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
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_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [HDA-Intel - HDA Intel PCH, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/31/2018
dmi.bios.vendor: Razer
dmi.bios.version: 01.01
dmi.board.name: DANA_MB
dmi.board.vendor: Razer
dmi.chassis.type: 10
dmi.chassis.vendor: Razer
dmi.modalias:
dmi:bvnRazer:bvr01.01:bd08/31/2018:svnRazer:pnBlade:pvr1.04:rvnRazer:rnDANA_MB:rvr:cvnRazer:ct10:cvr:
dmi.product.family: 1A582001 Razer Blade
dmi.product.name: Blade
dmi.product.version: 1.04
dmi.sys.vendor: Razer
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