[x86-64] HP Thin Client Audio Issue

mrtee123 · November 20, 2024 at 9:23 PM

Have installed LibreELEC-Generic.x86_64-12.0.1.img onto HP Thin Client 740

It has 4x DisplayPorts, using a DP-1 with an DP to HDMI converter have hooked it up to my Samsung TV.

Have managed to get decent resolution of 1920x1080 @ 60 but having throuble with the sound over the ALSA hdmi:Generic,DEV=1

Managed to get it to work once by resetting the audio in Kodi back to defaults but then on next reboot it wasn't working again

Here is the logs, hoping someone might be able to help.
https://paste.libreelec.tv/endless-gopher.log

mrtee123 · November 20, 2024 at 10:27 PM

OK, so messing around plugging and unplugging the HDMI cable from the DisplayPort convertor and bang.

It picks up the sound and can see SAMSUNG for HDMI 0

LibreELEC:~ # aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [SAMSUNG]
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 0: Generic [HD-Audio Generic], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC256 Analog [ALC256 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0

But after a reboot back to no Sound
LibreELEC:~ # aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
Subdevices: 0/1
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 0: Generic [HD-Audio Generic], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Generic_1 [HD-Audio Generic], device 0: ALC256 Analog [ALC256 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0

**Da Flex** · November 21, 2024 at 4:31 AM

Could be an initialization problem with the HDMI adapter, or with the HP Thin Client firmware:

Code

Nov 20 20:29:45.546214 LibreELEC kernel: amdgpu 0000:03:00.0: Direct firmware load for edid/edid.bin failed with error -2
Nov 20 20:29:45.546721 LibreELEC kernel: amdgpu 0000:03:00.0: [drm] *ERROR* [CONNECTOR:87:DP-1] Requesting EDID firmware "edid/edid.bin" failed (err=-2)
Nov 20 20:29:59.653931 LibreELEC iwd[531]: event: roam-scan,
Nov 20 20:31:27.519509 LibreELEC kernel: [drm:emulated_link_detect] *ERROR* Failed to read EDID
Nov 20 20:31:27.519612 LibreELEC kernel: amdgpu 0000:03:00.0: Direct firmware load for edid/edid.bin failed with error -2
Nov 20 20:31:27.520005 LibreELEC kernel: amdgpu 0000:03:00.0: [drm] *ERROR* [CONNECTOR:87:DP-1] Requesting EDID firmware "edid/edid.bin" failed (err=-2)
Nov 20 20:31:27.520322 LibreELEC kernel: [drm:detect_link_and_local_sink] *ERROR* No EDID read.

make sure your HP Thin Client firmware is up-to-date (especially the graphics driver, this might require Windows)
after your current workaround (post #2), run getedid create on SSH, and reboot

[x86-64] HP Thin Client Audio Issue

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