Comment 524 for bug 1958019

(In reply to Cameron Berkenpas from comment #510)
> Created attachment 299749 [details]
> attachment-3712-0.html
>
> Without the patches, I'm missing:
> /sys/devices/pci0000:00/0000:00:15.2/i2c_designware.2/i2c-3/i2c-CLSA0101:00
>
> With the patches, I'm missing:
> /sys/kernel/btf/snd_hda_codec_cs35l41_i2c
> /sys/kernel/btf/snd_soc_cs35l41_i2c
> /sys/kernel/btf/snd_soc_cs35l41_spi
> /sys/module/snd_pcm/holders/snd_soc_cs35l41_i2c
> /sys/module/snd_pcm/holders/snd_soc_cs35l41_spi
>
> snd_pcm is compiled directly in though, and the btf stuff appears
> related to debugging options I don't have enabled. Seems that for where
> it matters, our related kernel options are identical.
>
> I don't have any NULL pointer dereferences.

You have all modules built-in, it seems.

> Also, it seems there's been a new BIOS release since early September. I
> doubt it, but I wonder if would make any difference. I'm hesitant to try
> it in case if makes a permanent upgrade related to the amp chips that
> would completely break my sound. Here's the BIOS info I have (from lshw):
> version: H1CN33WW
>          date: 07/18/2021
>
I'm on the latest 39 BIOS and nothing has really changed. Speaker still partially works.