Re: No HDMI audio with Linux Kernel 7 rc1 or rc2...

[Takashi Iwai <tiwai@suse.de>]

On Mon, 02 Mar 2026 19:28:48 +0100,
Gilberto Ferreira wrote:
> 
> I don't know this can help in some way, but I got this ops
> 
> dmesg | grep hda
> [seg mar  2 15:26:10 2026] snd_hda_intel 0000:04:00.1: enabling device
> (0000 -> 0002)
> [seg mar  2 15:26:10 2026] snd_hda_intel 0000:04:00.1: Handle
> vga_switcheroo audio client
> [seg mar  2 15:26:10 2026] snd_hda_intel 0000:04:00.6: enabling device
> (0000 -> 0002)
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> CX11970: BIOS auto-probing.
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> autoconfig for CX11970: line_outs=1 (0x17/0x0/0x0/0x0/0x0)
> type:speaker
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> hp_outs=1 (0x16/0x0/0x0/0x0/0x0)
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> mono: mono_out=0x0
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:    inputs:
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:      Mic=0x19
> [seg mar  2 15:26:10 2026] snd_hda_codec_conexant hdaudioC1D0:
> Internal Mic=0x1a
> [seg mar  2 15:26:12 2026] snd_hda_intel 0000:04:00.1: bound
> 0000:04:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])
> 
> 
> I really don't know what that means...

You need to *compare* between two kernel logs.  You can strip the time
prefix, and check which lines appear and which disappear in the new
kernel log.

FWIW, the above is the normal information from HD-audio at parsing the
BIOS info and at binding the interface.

And, have you tested the revert?


Takashi