On Mon, 30 Nov 2020 00:53:54 +0100, Soham Sen wrote: > > Hello, > > I've been trying to debug the issue related to the microphone LED not > working under Linux. I've confirmed that the LED works in windows. > Seems like most HP laptops have this problem, and they are fixed by > adding a model= parameter, however I've tried all HP mute LED related > models on https://www.kernel.org/doc/html/latest/sound/hd-audio/models.html > to no success. A very similar model to my laptop, running Intel HD > Audio can be fixed by using model=hp-mute-led-mic3 but this didn't > work on my laptop either. > > Can I get any help on how to further debug this issue? I tried > searching for the documentation for this audio card, but wasn't able > to find anything useful. > > Output of alsa-info.sh: > http://alsa-project.org/db/?f=4173cebd458b6badbc21668461e9ba2e890333c2 I guess you've already tried to pass the model option, but judging from the alsa-info.sh output, you passed it wrongly. As the onboard analog output is from the AMD HD-audio controller that is the secondary card (while the primary card is Nvidia HDMI), you'd need to pass "model=,XXX" (see the comma before "XXX"), i.e. set in the second entry of the array. Takashi