No hdmi audio selection on acer AIO pc

    Greetings,

    Have been searching for a solution but can't find it. The problem is that my acer Z1-621 AIO doesn't display an hdmi output under system settings>audio (expert). I have tried both versions of libreelec, hoping it was a kernel issue. The cpu is a Intel Pentium N3530 with Intel HD graphics. Different hdmi high speed cables and ports on the receiver did resolve the problem either.

    Thank you in advance!

    Please provide a full debug log.

    How to post a log (wiki)

    1. Enable debugging in Settings>System Settings>Logging
    2. Restart Kodi
    3. Replicate the problem
    4. Generate a log URL (do not post/upload logs to the forum)

    use "Settings > LibreELEC > System > Paste system logs" or run "pastekodi" over SSH, then post the URL link
    Code
    2023-09-24 06:20:36.613 T:1937285696  NOTICE: Using Release Kodi x32 build (version for Raspberry Pi)

    Changing that URL to HTTP (as ix.io does not use HTTPS) shows ^ which definitely didn't come from an Acer PC :)

    Code
    2023-09-24 13:25:44.786 T:701      info <general>: Enumerated ALSA devices:
2023-09-24 13:25:44.786 T:701      info <general>:     Device 1
2023-09-24 13:25:44.786 T:701      info <general>:         m_deviceName      : @
2023-09-24 13:25:44.786 T:701      info <general>:         m_displayName     : Default (HDA Intel PCH ALC290 Analog)
2023-09-24 13:25:44.786 T:701      info <general>:         m_displayNameExtra: 
2023-09-24 13:25:44.786 T:701      info <general>:         m_deviceType      : AE_DEVTYPE_PCM
2023-09-24 13:25:44.786 T:701      info <general>:         m_channels        : FL, FR
2023-09-24 13:25:44.786 T:701      info <general>:         m_sampleRates     : 48000
2023-09-24 13:25:44.786 T:701      info <general>:         m_dataFormats     : AE_FMT_S32NE
2023-09-24 13:25:44.786 T:701      info <general>:         m_streamTypes     : No passthrough capabilities

    So the Intel chip doesn't support passthrough or is it a software problem?

    Quote from chewitt

    Passthrough of a digital signal requires a digital output (HDMI or S/PDIF). That's an an Analogue output.

    Overlooked the analog part. Pasted the wrong part of the log file. Found this however:

    Quote
    Code
    ========== kmsprint ==========
Connector 0 (73) VGA-1 (disconnected)  Encoder 0 (74) DAC
Connector 1 (76) DP-1 (disconnected)  Encoder 1 (75) TMDS
Connector 2 (83) HDMI-A-1 (connected)  Encoder 2 (82) TMDS    Crtc 0 (51) [email protected] 148.500 1920/88/44/148/+ 1080/4/5/36/+ 60 (60.00) P|D       Plane 0 (31) fb-id: 89 (crtcs: 0) 0,0 1920x1080 -> 0,0 1920x1080 (C8   RG16 XR24 XB24 AR24 AB24 XR30 XB30 AR30 AB30 XB4H)        FB 89 1920x1080 XR30

    And this:

    Code
    2023-09-24 13:25:44.783 T:701   warning <general>: Pulseaudio module module-allow-passthrough not loaded - opening PT devices might fail

    Indeed no passthrough devices show up in audio system settings kodi gui. Why won't the module load?

    That warning is harmless and irrelevant because LE only uses pulseaudio for BT connections and everything else is native alsa. HDMI cardsnormaly have several card presentations to the OS including an analogue one; which will never support pass-through. Put Kodi in debug mode, restart, than "pastekodi" the entire logfile and share the URL; little snippets are rarely useful.