volume+ volume- key repeat don't work

Description: Ubuntu Eoan Ermine (development branch)
Release: 19.10

What expected:
Hold down the volume up or down button on a keyboard. The sound level gradually increases to a maximum or decreases to a minimum.

What happened instead:
The sound level decreases or increases by one step and does not change anymore. Repeat keystroke works in terminal or browser.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: eugene 2396 F.... pulseaudio
 /dev/snd/controlC1: eugene 2396 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 30 22:13:24 2019
InstallationDate: Installed on 2019-09-29 (1 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190923)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Family 17h (Models 10h-1fh) HD Audio Controller - HD-Audio Generic
Symptom_Jack: Green Line Out, Rear
Symptom_PulseAudioLog:

Symptom_Type: Volume slider, or mixer problems
Title: [AB350M-DS3H V2, Realtek ALC887-VD, Green Line Out, Rear] volume slider problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/31/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F42a
dmi.board.asset.tag: Default string
dmi.board.name: AB350M-DS3H V2-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF42a:bd07/31/2019:svnGigabyteTechnologyCo.,Ltd.:pnAB350M-DS3HV2:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnAB350M-DS3HV2-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: AB350M-DS3H V2
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2019-09-29T14:32:22.851648