No HDMI audio output device v29, v30, v31, v35 + beta v36

delorean__

Problem: No audio via HDMI. Internal Speaker works.
Device: HP ProDesk 400 G5 Mini
GPU: Intel Corporation CoffeeLake-S GT2 [UHD Graphics 630]
Sound card: Intel Corporation Cannon Lake PCH cAVS (rev 10)
This is a Display port to HDMI setup. (Samsung AU8000 TV)
Not a hardware problem as I can get it to work in Windows and Debian (with a fix below)

Tested on Batocera 29 to beta 36.

I reinstalled the PC with Windows 11 to test: Audio via HDMI works out of the box.

I then tested with Debian 11 and it didn’t work out of the box. I had to do the following to get it working:

1. Install alsa-tools.
2. Run hdajackretask (this should be under your sound & video apps as well)
3. At the top under “select a codec”, I selected “Intel Kabylake HDMI”. This name may vary depending on your CPU, but I’d suspect HDMI or DP will always show up in the title.
4. Select “show unconnected pins”
5. Tick the boxes to override them all and select “HDMI / Displayport” for each.
6. Select “Install Boot Override”. Give your password when prompted & reboot. NOTE: The “apply now” button does not work, so don’t bother with it.

How can I reproduce this Debian fix on Batocera as I can’t install alsa-tools?

List of other things I have tried:

Followed each step in this guide https://wiki.batocera.org/audio_issues
Audio passthrough in Kodi: Doesn’t work
nvidia-driver=false: Doesn’t work
Editing the /userdata/system/.asoundrc file with the info from aplay -l: Doesn’t work

**** List of PLAYBACK Hardware Devices ****

card 0: PCH [HDA Intel PCH], device 0: CX20632 Analog [CX20632 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0

card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0

card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]

Subdevices: 1/1
Subdevice #0: subdevice #0

Other info:

/userdata/system]# batocera-audio list
auto auto
alsa_output.pci-0000_00_1f.3.analog-stereo Built-in Audio Analog Stereo

Logs: https://filetransfer.io/data-package/s0KmZTDl#link

Thanks for your help!

joinski

delorean__

Which options do you see under System Settings, Video Output?

Atari

delorean__ 6. Select “Install Boot Override”. Give your password when prompted & reboot. NOTE: The “apply now” button does not work, so don’t bother with it.

How can I reproduce this Debian fix on Batocera as I can’t install alsa-tools?

You could copy + paste the modifications that program has made to the “boot override” (whatever that is) to syslinux.cfg.

Though assuming you’re just an end-user trying to get their equipment to work, the best suggestion would be to create a relevant Batocera support file and then create an issue report about this on the Github.

delorean__

HDMI-1, Auto.

joinski

If after a fresh new install you select only the different Audio Profiles (without changing anything else) one after the other, you do not get any sound after you select an option and then go back to the main menu?

delorean__

Thank you for trying to help!
Unfortunately, not. I hear the confirmation sound through the onboard speaker that it’s changing audio profiles, but it doesn’t connect to HDMI. The sound still comes out of the onboard speaker. I have tried all 4 profiles.
Here is what it looks like on screen: https://filetransfer.io/data-package/wr8nG62Z#link

I have also tried disabling the onboard speaker in the BIOS but that doesn’t help either.

bubblebobble

Hi all, i have same problem, in PC HP Elitedesk G4 - I5 gen8 with gpu Intel UHD Graphics 630

i have disable internal audio speaker in BIOS, in windows HDMI audio work correctly, but in batocera V35 not work

any ideas? @delorean__ have you fix it?

thanks

bubblebobble

Hi, now i fix the problem, audio now work

need downgrade the BIOS version for HP G4 at 02.11.01 Rev.A

here for download:

https://ftp.hp.com/pub/softpaq/sp103501-104000/sp103725.exe