[kde] [Bug 433047] New: KDE Neon, Kubuntu, and Linux Mint not finding all audio devices

[Steven Friedrich]

https://bugs.kde.org/show_bug.cgi?id=433047

            Bug ID: 433047
           Summary: KDE Neon, Kubuntu, and Linux Mint not finding all
                    audio devices
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: DisposableOne at twc.com
  Target Milestone: ---

SUMMARY
dmesg reports:
[    7.899532] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC671:
line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line
[    7.899533] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0
(0x0/0x0/0x0/0x0/0x0)
[    7.899534] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1
(0x21/0x0/0x0/0x0/0x0)
[    7.899535] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[    7.899535] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[    7.899536] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x19
[    7.899537] snd_hda_codec_realtek hdaudioC0D0:      Headset Mic=0x18
[    7.899537] snd_hda_codec_realtek hdaudioC0D0:      Line=0x1b
[    7.994357] input: HDA Intel PCH Front Mic as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input9
[    7.994406] input: HDA Intel PCH Headset Mic as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input10
[    7.994440] input: HDA Intel PCH Line as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input11
[    7.994487] input: HDA Intel PCH Line Out as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input12
[    7.994531] input: HDA Intel PCH Front Headphone as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input13
[    7.994566] input: HDA Intel PCH HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input14
[    7.994607] input: HDA Intel PCH HDMI/DP,pcm=7 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input15
[    7.994643] input: HDA Intel PCH HDMI/DP,pcm=8 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input16
[    7.994678] input: HDA Intel PCH HDMI/DP,pcm=9 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input17
[    7.994716] input: HDA Intel PCH HDMI/DP,pcm=10 as
/devices/pci0000:00/0000:00:1f.3/sound/card0/input18


STEPS TO REPRODUCE
1. 
2. 
3. 

OBSERVED RESULT
Only the HDMI audio is found by KDE.

EXPECTED RESULT
KDE should find all three audio devices.  Realtek(which sends audio to rear and
front panels) and Intel (which sends audio to HDMI).

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 5.21
(available in About System)
KDE Plasma Version: 5.21
KDE Frameworks Version: 5.79
Qt Version: 5.15.2

ADDITIONAL INFORMATION
System is an HP Slimline 290-p0014 Desktop PC.
I am multi-booting Linux Mint 20.1 Cinnamon, KDE Neon 5.21 User Edition, and
Kubutu 20.10, and FreeBSD 12.2p3.
FreeBSD only recognizes the Realtek device, not the Intel HDMI device.
All these Linux distros only configure the Intel device, even though the
Realtek device is recognized in dmesg.

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