How to enable GP108 High Definition Audio Controller?
The only setting is Off.

system information:
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic [HD-Audio Generic], device 0: ALC887-VD Analog [ALC887-VD Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic [HD-Audio Generic], device 1: ALC887-VD Digital [ALC887-VD Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0

[root@Win10 bill]# lsmod | grep "snd"
snd_hda_codec_hdmi 57344 1
snd_hda_codec_realtek 110592 1
snd_hda_codec_generic 86016 1 snd_hda_codec_realtek
snd_hda_intel 45056 9
snd_hda_codec 151552 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_i ntel,snd_hda_codec_realtek
snd_hda_core 94208 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_i ntel,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep 16384 1 snd_hda_codec
snd_seq 81920 0
snd_seq_device 16384 1 snd_seq
snd_pcm 114688 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd _hda_core
snd_timer 36864 2 snd_seq,snd_pcm
snd 94208 28 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_h da_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_code c,snd_hda_codec_realtek,snd_timer,snd_pcm
soundcore 16384 1 snd

[root@Win10 bill]# rpm -qa | grep "pulse"
pulseaudio-module-bluetooth-12.2-1.fc28.x86_64
pulseaudio-libs-12.2-1.fc28.x86_64
pulseaudio-libs-glib2-12.2-1.fc28.x86_64
pulseaudio-module-x11-12.2-1.fc28.x86_64
pulseaudio-12.2-1.fc28.x86_64
pulseaudio-utils-12.2-1.fc28.x86_64
alsa-plugins-pulseaudio-1.1.6-3.fc28.x86_64

cat: /etc/modprobe.conf: No such file or directory

lspci -v
06:00.0 VGA compatible controller: NVIDIA Corporation GP108 [GeForce GT 1030] (rev a1) (prog-if 00 [VGA controller])
Subsystem: eVga.com. Corp. Device 6338
Flags: bus master, fast devsel, latency 0, IRQ 80
Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f0000000 (64-bit, prefetchable) [size=32M]
I/O ports at e000 [size=128]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Legacy Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [250] Latency Tolerance Reporting
Capabilities: [128] Power Budgeting <?>
Capabilities: [420] Advanced Error Reporting
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
Capabilities: [900] #19
Kernel driver in use: nvidia
Kernel modules: nouveau, nvidia_drm, nvidia

06:00.0 VGA compatible controller: NVIDIA Corporation GP108 [GeForce GT 1030] (rev a1) (prog-if 00 [VGA controller])
Subsystem: eVga.com. Corp. Device 6338
Flags: bus master, fast devsel, latency 0, IRQ 80
Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f0000000 (64-bit, prefetchable) [size=32M]
I/O ports at e000 [size=128]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Legacy Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [250] Latency Tolerance Reporting
Capabilities: [128] Power Budgeting <?>
Capabilities: [420] Advanced Error Reporting
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
Capabilities: [900] #19
Kernel driver in use: nvidia
Kernel modules: nouveau, nvidia_drm, nvidia

08:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
Subsystem: ASUSTeK Computer Inc. Device 86c7
Flags: bus master, fast devsel, latency 0, IRQ 78
Memory at f7700000 (32-bit, non-prefetchable) [size=32K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [64] Express Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [2a0] Access Control Services
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel