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6 Posts

05-25-2021

Netherlands

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T14s AMD no HDMI audio on Linux

2021-05-25, 9:15 AM

Hi guys. I just installed Arch Linux kernel 5.12.6. However, I run into the issue of having no HDMI audio. In pavucontrol, HD-Audio Generic HDMI2 Output appears as plugged in and I can adjust the volume bar but no actual sound passes through. The laptop speaker and bluetooth earbuds work fine.

 

I'm currently using pipewire-1:0.3.28-1 and mesa-21.1.1-1, the HDMI is switched to 1.4. I tried xf86-video-ati but it did not work. Can someone please advise me what to do?

 

aplay -l

**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC257 Analog [ALC257 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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389 Posts

03-06-2021

Germany

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 13:47 PM

@ equaliser wrote:

.....

I' using kernel 5.12.6 arch-1 with bios version 1.32. I can now confirm that HDMI audio works on Windows. When I first reinstalled Windows, no HDMI audio, tried with another cable and it still didn' work either. I even tried with MacOS laptop and Windows PC, HDMI audio still didn' work. I then unplugged the power cord of the monitor, waited 2 mins, and then plugged everything back, then HDMI audio was back for Windows. Now I' back to Linux and HDMI audio is dead again.

 

I think I know what is going on.

 

Do you have something like this in dmesg?:

 

```

acp_pdm_mach acp_pdm_mach.0: snd_soc_register_card(acp) failed: -517 

 

```

 

( or similar )

 

If so, append the following to kernel cdm:

 

```

snd_rn_pci_acp3x.dmic_acpi_check=0

 

```

 

If that alone doesn't fix it, goto BIOS and change the GPU mem size to 2G too.

 

@MarkRHPearson, if you have some contact @AMD could you ask what is going

on with this audio driver?.. They either have to fix it to work automatically or use black/white list.

 

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5657 Posts

08-02-2018

Philippines

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Re:T14s AMD no HDMI audio on Linux

2021-05-25, 12:23 PM


Hello equaliser!


Welcome to community forums

 

 

Have you tried using a different HDMI cable? Is it working fine on Windows? 

 

According to the list of certified Lenovo devices to run Linux, the laptop is compatible to run Ubuntu 20.04 and you can refer to this link: https://support.lenovo.com/ph/en/solutions/pd031426-linux-for-personal-systems

 


Let us know.

 

 

 

Jwes_Lenovo



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94 Posts

12-26-2020

Austria

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Re:T14s AMD no HDMI audio on Linux

2021-05-25, 21:52 PM

FWIW, I was getting audio via HDMI without any tweaks using LTS 5.10.X kernel. P14s connected to Lenovo USB-C dock which is in turn connected to a monitor via HDMI.

 

"Was" as the laptop was returned due to https://forums.lenovo.com/t5/Other-Linux-Discussions/T14-AMD-battery-drain-in-standby-Linux/m-p/5037674?page=1

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94 Posts

12-26-2020

Austria

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Re:T14s AMD no HDMI audio on Linux

2021-05-25, 21:54 PM

 

@ equaliser wrote:

I' currently using pipewire-1:0.3.28-1 and mesa-21.1.1-1, the HDMI is switched to 1.4. I tried xf86-video-ati but it did not work. Can someone please advise me what to do?

 

aplay -l

**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Generic [HD-Audio Generic], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC257 Analog [ALC257 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

 

  1. Drop pipewire unless you have a good reason for it
  2. Just point ALSA to 1:0
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6 Posts

05-25-2021

Netherlands

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 7:31 AM

I booted into Ubuntu 20.04 LTS but the HDMI audio is still not working. I don't think it's the HDMI cable problem since it's still working with my PC and my previous laptop T460s. When I received my laptop, I installed Windows first and used Vantage to update the firmware. Later, when I switched to Linux and used fwupdmgr to update the firmware, it showed the fingerprint firmware is newer than what fwupdmgr has. But it should not have any issue with the audio, shouldn't it. Maybe the hdmi port is faulty.

 

// I just installed windows 10 again but the hdmi audio does not work. I will try another hdmi cable and update asap.

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6 Posts

05-25-2021

Netherlands

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 7:40 AM
I indeed tried removing pipewire and used only alsa and pulseaudio. Booting into Ubuntu 20.04LTS did not work either.
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94 Posts

12-26-2020

Austria

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 10:05 AM

@ equaliser wrote:

// I just installed windows 10 again but the hdmi audio does not work. I will try another hdmi cable and update asap.

 

Sounds like Linux isn't the problem here.

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389 Posts

03-06-2021

Germany

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 10:23 AM

@ equaliser wrote:

I indeed tried removing pipewire and used only alsa and pulseaudio. Booting into Ubuntu 20.04LTS did not work either.

 

I can confirm it is not working on my P14s. Not sure what broke that, 

I'll try to investigate. Can only be the BIOS or a kernel bug.

 

What kernel version are you using?

 

@MarkRHPearson ^^,  this looks like another item for your bug list ;)

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389 Posts

03-06-2021

Germany

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 10:26 AM

@ jd_user wrote:

@ equaliser wrote:

// I just installed windows 10 again but the hdmi audio does not work. I will try another hdmi cable and update asap.

 

Sounds like Linux isn' the problem here.

 

I don't have Windows to test but on Linux, it doesn't work.

 

I've tested with 4 cables on 3 TVs and 2 Monitors, 1.4 & 2.0 HDMI mode.

I don't believe all my cables & HW are broken, and it works fine with other Laptops

I have around.  

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51 Posts

08-19-2020

Germany

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Re:T14s AMD no HDMI audio on Linux

2021-05-26, 10:51 AM

Works here:

 

T14s AMD G1

Fedora 34

Kernel 5.12.6

pipewire  0.3.28

 

 

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