Comment 3 for bug 1950900

I did a bit more research and the problem seems to be related to the recent cirrus audio codec changes. At least dmesg between the non-working and working kernel shows the following diff

<pre>
 Bluetooth: hci0: Found device firmware: intel/ibt-19-0-0.sfi
 snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
 snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
-snd_hda_codec_cs8409 hdaudioC0D0: autoconfig for CS8409: line_outs=1 (0x2c/0x0/0x0/0x0/0x0) type:speaker
-snd_hda_codec_cs8409 hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
-snd_hda_codec_cs8409 hdaudioC0D0: hp_outs=1 (0x24/0x0/0x0/0x0/0x0)
-snd_hda_codec_cs8409 hdaudioC0D0: mono: mono_out=0x0
-snd_hda_codec_cs8409 hdaudioC0D0: inputs:
-snd_hda_codec_cs8409 hdaudioC0D0: Internal Mic=0x44
-snd_hda_codec_cs8409 hdaudioC0D0: Mic=0x34
+snd_hda_codec_cirrus hdaudioC0D0: autoconfig for CS8409: line_outs=1 (0x2c/0x0/0x0/0x0/0x0) type:speaker
+snd_hda_codec_cirrus hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
+snd_hda_codec_cirrus hdaudioC0D0: hp_outs=1 (0x24/0x0/0x0/0x0/0x0)
+snd_hda_codec_cirrus hdaudioC0D0: mono: mono_out=0x0
+snd_hda_codec_cirrus hdaudioC0D0: inputs:
+snd_hda_codec_cirrus hdaudioC0D0: Internal Mic=0x44
+snd_hda_codec_cirrus hdaudioC0D0: Mic=0x34
 iwlwifi 0000:00:14.3: base HW address: f0:77:c3:1d:ee:c1
 iwlwifi 0000:00:14.3 wlp0s20f3: renamed from wlan0
</pre>