Re: [PATCH 1/4] ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8

[Alexander Sergeyev]

On Wed, Jan 12, 2022 at 11:13:44AM +0100, Takashi Iwai wrote:
> Sounds like some timing issue, then. It's pretty hard to debug, unfortunately.

I can imagine. Is it possible that initcall_debug logs could help? Or is it 
timing issues within the same module?

> You may try to get the codec proc dump with COEF by passing 
> snd_hda_codec.dump_coef=1 module option for both working and non-working 
> cases.
> You can unbind and re-bind the PCI (HD-audio controller) device via sysfs.

I'll try both options later today when able, thank you!