Test kernel works.
```
[ 0.151581] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 47.894445] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])
[ 47.944538] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC298:
line_outs=1 (0x21/0x0/0x0/0x0/0x0) type:line
[ 47.944540] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=1
(0x14/0x0/0x0/0x0/0x0)
[ 47.944541] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1
(0x17/0x0/0x0/0x0/0x0)
[ 47.944542] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
[ 47.944543] snd_hda_codec_realtek hdaudioC0D0: inputs:
[ 47.944544] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18
[ 47.997572] input: HDA Intel PCH Mic as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input19
[ 47.997604] input: HDA Intel PCH Headphone as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input20
[ 47.997632] input: HDA Intel PCH Dock Headphone as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input21
[ 47.997660] input: HDA Intel PCH HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input22
[ 47.997685] input: HDA Intel PCH HDMI/DP,pcm=7 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input23
[ 47.997712] input: HDA Intel PCH HDMI/DP,pcm=8 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input24
[ 47.997737] input: HDA Intel PCH HDMI/DP,pcm=9 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input25
[ 47.997762] input: HDA Intel PCH HDMI/DP,pcm=10 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input26
```
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1902457
Title:
regression: no sound cards detected on lenovo yoga c930 after
focal->groovy upgrade
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