No HDMI audio after system resume

From	John Kerr Anderson <riokerr@gmail.com>
Newsgroups	linux.debian.user
Subject	No HDMI audio after system resume
Date	2020-09-06 06:00 +0200
Message-ID	<ALU0p-41O-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi Everyone, I've got a mini PC that after the system resumes from suspend
it seems to have some problems with the audio working through HDMI.  The
audio through the headphone jack continues to work.

If I reboot, the audio begins working through HDMI again.

Here's some information:
uname -v
#1 SMP Debian 4.19.132-1 (2020-07-24)

lspci -v | grep -i audio
00:0e.0 Audio device: Intel Corporation Device 3198 (rev 03)

sudo dmesg:
[10179.980426] azx_single_send_cmd: 72 callbacks suppressed
[10180.264169] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[10200.307622] azx_single_send_cmd: 341 callbacks suppressed
[10200.855109] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register
0x2b8000. -5
[10200.855748] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register
0x2b8000. -5
[10267.357734] azx_single_send_cmd: 282 callbacks suppressed
[10267.640702] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5

Any suggestions you could help me with in order to get the audio working
more reliably?

I added the line in /etc/grub.d/40_custom

snd_hda_intel.probe_mask=0x01

and updated grub but it hasn't resolved the issue.

Any suggestions would be appreciated!  Thanks in advance

John

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No HDMI audio after system resume John Kerr Anderson <riokerr@gmail.com> - 2020-09-06 06:00 +0200

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