Symptoms: No sound, despite configuring maximum volume in every place a volume
control can be found. ALSA Info contains problematic-looking log lines.

/proc/asound/version: Advanced Linux Sound Architecture Driver Version
k4.4.92-31-default.

/proc/asound/modules: 0 snd_hda_intel

/proc/asound/cards:  0 [PCH            ]: HDA-Intel - HDA Intel PCH
                                          HDA Intel PCH at 0x2ff1018000 irq 290

alsa-info.sh:
http://www.alsa-project.org/db/?f=6b545d373d6e894693c134a50b5ee8c055c47920

Bug ID	1071902
Summary	No audio on Lenovo 720-13IKB 8th Gen Intel Audio
Classification	openSUSE
Product	openSUSE Distribution
Version	Leap 42.3
Hardware	x86-64
OS	openSUSE 42.3
Status	NEW
Severity	Major
Priority	P5 - None
Component	Sound
Assignee	tiwai@suse.com
Reporter	opensuse@m-pixel.com
QA Contact	qa-bugs@suse.de
Found By	---
Blocker	---