Note this is happening after few days/weeks of usage the audio over hdmi stops
working.

Linux htpc 4.12.14-lp150.12.4-default #1 SMP Tue May 22 05:17:22 UTC 2018
(66b2eda) x86_64 x86_64 x86_64 GNU/Linux


I dmesg I see:
[2124547.875895] snd_hda_intel 0000:00:0e.0: azx_get_response timeout,
switching to polling mode: last cmd=0x20bf8100
[2124548.887888] snd_hda_intel 0000:00:0e.0: No response from codec, disabling
MSI: last cmd=0x20bf8100
[2124549.895862] snd_hda_intel 0000:00:0e.0: azx_get_response timeout,
switching to single_cmd mode: last cmd=0x20bf8100
[2124549.915540] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[2124550.368178] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register
0x1f0e00. -5
[2124550.368327] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register
0x1f0e00. -5
[2124557.420043] azx_single_send_cmd: 1003 callbacks suppressed
[2124581.540214] azx_single_send_cmd: 72 callbacks suppressed
[2124648.182974] azx_single_wait_for_response: 277 callbacks suppressed
[2124648.203464] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[2124654.412583] azx_single_send_cmd: 433 callbacks suppressed


Is there any way I could debug or trigger this more reliably or anything I
could try to tweak to avoid this?