Retropie / RetrOSMC ALSA Sound Issues

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This topic contains 1 reply, has 1 voice, and was last updated by  somedude 2 years, 1 month ago.

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  • #111253


    Hello guys,
    I’ve been at this problem for a few nights now, so any help would be worthy of a bronze statue in your likeness.

    I’m running RetrOSMC, which is a RetroPie installation built into OSMC. I’m using a Raspi 2, everything is up to date. Sound works fine in OSMC, but I get no sound in RetroOSMC. I’ve re-flashed / re-installed a couple of times, same results.
    I’ve tried setting options in /boot/config.txt such as hdmi_drive=2, but I’m confident that this isn’t the problem. When I run any emulators, it runs without sound and I get stuff like this in the log:

    PPU.RenderSub = 0
    PPU.FullClipping = 1
    Settings.Transparency = 1
    Settings.SpeedhackGameID = 7
    PPU.SFXSpeedupHack = 0
    coldata_update_screen = 0
    ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
    ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
    ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
    ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
    ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
    ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:4720:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default

    I’ve tried using sdl instead of alsa, same result.
    When I run cat /proc/asound/cards , I get
    cat /proc/asound/cards .
    It looks like alsa isn’t recognizing my sound hardware?
    I generated a log of my alsa settings:
    ALSA Log

    That’s all the information that I know how to collect, but I’ll share any logs or configs that might be relevant. I’d greatly appreciate any help that you guys can offer.



    Somebody elsewhere helped me resolve this.
    If sound driver issues (ALSA / SDL won’t run) try adding dtparam=audio=on to /boot/config.txt (config.txt for RetroPie, not the base OSMC installation).

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