[Aspire ES1-511, Intel Valleyview2 HDMI, Digital Out, HDMI] No sound at all

[Erik Marichal Arbona]

I can't hear with headphones, but the speaker does work

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.3.0-62.56~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-62-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.15
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: maydelin 8728 F.... pulseaudio
 /dev/snd/pcmC0D0c: maydelin 8728 F...m pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 15 16:46:59 2020
InstallationDate: Installed on 2020-07-12 (2 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Audio Interno - HDA Intel PCH
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: maydelin 8728 F.... pulseaudio
 /dev/snd/pcmC0D0c: maydelin 8728 F...m pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [Aspire ES1-511, Intel Valleyview2 HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/24/2014
dmi.bios.vendor: Acer
dmi.bios.version: V1.05
dmi.board.name: Aspire ES1-511
dmi.board.vendor: Acer
dmi.board.version: V1.05
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAcer:bvrV1.05:bd06/24/2014:svnAcer:pnAspireES1-511:pvrV1.05:rvnAcer:rnAspireES1-511:rvrV1.05:cvnAcer:ct10:cvrChassisVersion:
dmi.product.family: Bay Trail-M System
dmi.product.name: Aspire ES1-511
dmi.product.sku: Aspire ES1-511_089D_V1.05
dmi.product.version: V1.05
dmi.sys.vendor: Acer
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-07-15T16:42:10.527718