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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    No sound retroflag gpi case with pi zero w 2 (Solved)

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    retroflag gpipi zero w 2 pla
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    • T
      tonyrh
      last edited by tonyrh

      I'm no expert but I think support is needed for the new firmware released by the Raspberry Pi Foundation for the Zero 2 W (https://github.com/raspberrypi/firmware/blob/master/boot/bcm2710-rpi-zero-2.dtb).

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      • mituM
        mitu Global Moderator @retropieuser555
        last edited by

        @retropieuser555 said in No sound retroflag gpi case with pi zero w 2:

        I changed the config using the retroflag patch and added in the audio and dpi24 dts overlays. But am now getting the above errors and no audio. However video works perfectly.

        Is the sound working without the patches from RetroFlag ? Post your config.txt.

        retropieuser555R 1 Reply Last reply Reply Quote 0
        • retropieuser555R
          retropieuser555 @mitu
          last edited by

          @mitu here's the config for the patch:-

          # For more options and information see
          # http://www.raspberrypi.org/documentation/configuration/config-txt.md
          # Some settings may impact device functionality. See link above for details
          
          # uncomment if you get no picture on HDMI for a default "safe" mode
          #hdmi_safe=1
          
          # uncomment this if your display has a black border of unused pixels visible
          # and your display can output without overscan
          #disable_overscan=1
          
          # uncomment the following to adjust overscan. Use positive numbers if console
          # goes off screen, and negative if there is too much border
          #overscan_left=16
          #overscan_right=16
          #overscan_top=16
          #overscan_bottom=16
          
          # uncomment to force a console size. By default it will be display's size minus
          # overscan.
          #framebuffer_width=1280
          #framebuffer_height=720
          
          # uncomment if hdmi display is not detected and composite is being output
          #hdmi_force_hotplug=1
          
          # uncomment to force a specific HDMI mode (this will force VGA)
          #hdmi_group=1
          #hdmi_mode=1
          
          # uncomment to force a HDMI mode rather than DVI. This can make audio work in
          # DMT (computer monitor) modes
          #hdmi_drive=2
          
          # uncomment to increase signal to HDMI, if you have interference, blanking, or
          # no display
          #config_hdmi_boost=4
          
          # uncomment for composite PAL
          #sdtv_mode=2
          
          #uncomment to overclock the arm. 700 MHz is the default.
          #arm_freq=800
          
          # Uncomment some or all of these to enable the optional hardware interfaces
          #dtparam=i2c_arm=on
          #dtparam=i2s=on
          #dtparam=spi=on
          
          # Uncomment this to enable the lirc-rpi module
          #dtoverlay=lirc-rpi
          
          # Additional overlays and parameters are documented /boot/overlays/README
          
          # Enable audio (loads snd_bcm2835)
          dtparam=audio=on
          
          #config_hdmi_boost=0
          
          # force hdmi while the tv can take time before sending the signal on the hdmi output
          #hdmi_force_hotplug=1
          
          # uncomment for composite PAL
          #sdtv_mode=2
          
          # uncomment for lirc-rpi
          #dtoverlay=lirc-rpi
          
          # if you plug your tv at the same time as your rpi and that the rpi switches from the hdmi or give a low resolution because tv had no enough time to initialize it
          boot_delay=3
          
          # uncomment if you don't want the rainbow at startup
          disable_splash=1
          
          # default CEC name
          cec_osd_name=recalbox
          
          # Overclock
          gpu_mem_256=128
          gpu_mem_512=256
          gpu_mem_1024=512
          
          avoid_safe_mode=1
          
          kernel=zImage
          
          #dtparam=audio=on
          display_rotate=1
          dtoverlay=dpi24
          overscan_left=0
          overscan_right=0
          overscan_top=0
          overscan_bottom=0
          framebuffer_width=320
          framebuffer_height=240
          enable_dpi_lcd=1
          display_default_lcd=1
          dpi_group=2
          dpi_mode=87
          dpi_output_format=0x6016
          #hdmi_timings=320 0 28 18 28 480 0 2 2 4 0 0 0 60 0 32000000 6
          hdmi_timings=240 1 38 10 20 320 1 20 4 4 0 0 0 60 0 6400000 1
          dtoverlay=pwm-2chan,pin=18,func=2,pin2=19,func2=2
          disable_pvt=1
          disable_audio_dither=1
          dtoverlay=pwm-audio-pi-zero
          
          

          I've just tested with the regular stock config file that comes with the weekly retropie 2-3 image. Obviously doesn't give any video or audio as the pi isn't connected by hdmi but through the gpio pins. But ssh into the pi is giving me the same audio error as above.

          Pi 5 4GB

          Retroflag GPI with raspberry pi zero 2 w/ wifi

          Retroachievements:- lovelessrapture

          mituM 1 Reply Last reply Reply Quote 0
          • mituM
            mitu Global Moderator @retropieuser555
            last edited by

            @retropieuser555 said in No sound retroflag gpi case with pi zero w 2:

            But ssh into the pi is giving me the same audio error as above

            What's the output of:

            aplay -l
            amixer
            

            I see in the config that the on-board audio is not disabled, but the audio is also configured over the GPIO pins with the pwm-2chan and pwm-audio-pi-zero overlays, which might not work 100% on the new model.

            retropieuser555R 1 Reply Last reply Reply Quote 0
            • retropieuser555R
              retropieuser555 @mitu
              last edited by

              @mitu We get:-

              aplay: device_list:272: no soundcards found...
              

              Pi 5 4GB

              Retroflag GPI with raspberry pi zero 2 w/ wifi

              Retroachievements:- lovelessrapture

              mituM 1 Reply Last reply Reply Quote 0
              • PhilcommP
                Philcomm
                last edited by

                I spent a good amount of time now on trying to figure out what is the problem. I don't think it's the overlays, since when you use a video splash screen, it gives out sound. It's probable that the splashscreen package uses pulseaudio while everything RetroArch related doesn't.

                mituM retropieuser555R 2 Replies Last reply Reply Quote 1
                • mituM
                  mitu Global Moderator @Philcomm
                  last edited by mitu

                  @philcomm said in No sound retroflag gpi case with pi zero w 2:

                  It's probable that the splashscreen package uses pulseaudio while everything RetroArch related doesn't.

                  No, it's not the splashscreen. The errors come from ES, which is not related to the splashscreen at all.

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                  • mituM
                    mitu Global Moderator @retropieuser555
                    last edited by

                    @retropieuser555 said in No sound retroflag gpi case with pi zero w 2:

                    aplay: device_list:272: no soundcards found...

                    Do you have an $HOME/.asoundrc or /etc/asound.confg file ?

                    retropieuser555R 1 Reply Last reply Reply Quote 0
                    • retropieuser555R
                      retropieuser555 @Philcomm
                      last edited by

                      @philcomm okay that's interesting, I didn't notice that. I just tested a splashscreen with audio and it did play the sound for me too, no errors.

                      I tested out the beta of the recalbox image they have and it played audio as well, so it does seem workable somehow, there config file is quite different though, I always thought the config.txt is universal to the raspberry pi itself, rather than the OS etc?

                      Pi 5 4GB

                      Retroflag GPI with raspberry pi zero 2 w/ wifi

                      Retroachievements:- lovelessrapture

                      PhilcommP 1 Reply Last reply Reply Quote 0
                      • retropieuser555R
                        retropieuser555 @mitu
                        last edited by

                        @mitu the files aren't there. I guess need to install something?

                        pi@retropie:~ $ cd ..
                        pi@retropie:/home $ ls
                        pi
                        pi@retropie:/home $ cd /etc
                        pi@retropie:/etc $ ls
                        adduser.conf            group            modprobe.d        rpc
                        alternatives            group-           modules           rpi-issue
                        apparmor.d              gshadow          modules.bak       rsyslog.conf
                        apt                     gshadow-         modules-load.d    rsyslog.d
                        avahi                   gss              motd              samba
                        bash.bashrc             host.conf        mtab              securetty
                        bash_completion         hostname         nanorc            security
                        bash_completion.d       hosts            netconfig         selinux
                        bindresvport.blacklist  hosts.allow      network           sensors3.conf
                        binfmt.d                hosts.deny       networks          sensors.d
                        bluetooth               idmapd.conf      nsswitch.conf     services
                        ca-certificates         ifplugd          openal            shadow
                        ca-certificates.conf    init             opt               shadow-
                        calendar                init.d           os-release        shells
                        cifs-utils              initramfs-tools  pam.conf          skel
                        console-setup           inputrc          pam.d             splashscreen.list
                        cowpoke.conf            insserv          passwd            ssh
                        cron.d                  insserv.conf     passwd-           ssl
                        cron.daily              insserv.conf.d   paxctld.conf      subgid
                        cron.hourly             iproute2         perl              subuid
                        cron.monthly            issue            pmount.allow      subversion
                        crontab                 issue.net        polkit-1          sudoers
                        cron.weekly             kernel           ppp               sudoers.d
                        dbus-1                  ldap             profile           sysctl.conf
                        debconf.conf            ld.so.cache      profile.d         sysctl.d
                        debian_version          ld.so.conf       protocols         systemd
                        default                 ld.so.conf.d     pulse             terminfo
                        deluser.conf            ld.so.preload    python            timezone
                        devscripts.conf         libaudit.conf    python2.7         tmpfiles.d
                        dhcp                    libnl-3          python3           triggerhappy
                        dhcpcd.conf             locale.alias     python3.7         ucf.conf
                        dkms                    locale.gen       rc0.d             udev
                        dphys-swapfile          localtime        rc1.d             ufw
                        dpkg                    logcheck         rc2.d             update-motd.d
                        emacs                   login.defs       rc3.d             usb_modeswitch.conf
                        emulationstation        logrotate.conf   rc4.d             usb_modeswitch.d
                        environment             logrotate.d      rc5.d             usbmount
                        fake-hwclock.data       machine-id       rc6.d             vdpau_wrapper.cfg
                        fb.modes                magic            rc.local          vim
                        fonts                   magic.mime       rcS.d             vulkan
                        fstab                   mailcap          request-key.conf  wgetrc
                        fuse.conf               mailcap.order    request-key.d     wpa_supplicant
                        gai.conf                manpath.config   resolv.conf       X11
                        gdb                     mc               resolv.conf.bak   xattr.conf
                        glvnd                   mime.types       resolvconf.conf   xdg
                        groff                   mke2fs.conf      rmt
                        
                        

                        Pi 5 4GB

                        Retroflag GPI with raspberry pi zero 2 w/ wifi

                        Retroachievements:- lovelessrapture

                        mituM 1 Reply Last reply Reply Quote 0
                        • mituM
                          mitu Global Moderator @retropieuser555
                          last edited by mitu

                          @retropieuser555 Is this before adding the RetroFlag's drivers/scripts or after ?
                          Normally, on a clean install, none of the files are present. Since aplay doesn't list any sound cards, the error you get in ES is normal, but I'm wondering if the GPIO connection on the RetroFlag case don't need additional configuration.

                          The splashscreen uses omxplayer to play sound, which bypasses any ALSA configuration, but EmulationStation (and most of the emulators) need a working ALSA config.

                          I always thought the config.txt is universal to the raspberry pi itself, rather than the OS etc?

                          No, it's specific to the RPI bootloader, but there are other boot methods (U-Boot perhaps) that don't use the file.

                          retropieuser555R 1 Reply Last reply Reply Quote 0
                          • retropieuser555R
                            retropieuser555 @mitu
                            last edited by

                            @mitu This is after adding the config.txt and overlays that the retroflag gpi. I can test it with the stock config.txt and original dpi24 overlay if that helps?

                            Pi 5 4GB

                            Retroflag GPI with raspberry pi zero 2 w/ wifi

                            Retroachievements:- lovelessrapture

                            mituM 1 Reply Last reply Reply Quote 0
                            • PhilcommP
                              Philcomm
                              last edited by

                              After further testing, I can't get either alsa nor pulse to work as sound drivers.
                              alsa doesn't find any sound card, thus is not able to play.
                              pulse can find the virtual sound card, but cannot output sound for some reason.

                              @mitu you are right, sound plays just fine with omxplayer.

                              I don't think it's the GPi cases' fault, but rather the drivers not able to play over GPIOs?

                              1 Reply Last reply Reply Quote 0
                              • mituM
                                mitu Global Moderator @retropieuser555
                                last edited by

                                @retropieuser555 said in No sound retroflag gpi case with pi zero w 2:

                                I can test it with the stock config.txt and original dpi24 overlay if that helps?

                                You can do that, but - at best - you'll get sound only on the HDMI port, which is not what you want. But this configuration should get rid of the ALSA error and you'd have at least one card listed by aplay.

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                                • PhilcommP
                                  Philcomm
                                  last edited by

                                  @mitu you think it's worth a shot trying to manually create the asound.conf file?

                                  1 Reply Last reply Reply Quote 0
                                  • PhilcommP
                                    Philcomm @retropieuser555
                                    last edited by

                                    @retropieuser555 said in No sound retroflag gpi case with pi zero w 2:

                                    @philcomm okay that's interesting, I didn't notice that. I just tested a splashscreen with audio and it did play the sound for me too, no errors.

                                    I tested out the beta of the recalbox image they have and it played audio as well, so it does seem workable somehow, there config file is quite different though, I always thought the config.txt is universal to the raspberry pi itself, rather than the OS etc?

                                    Do you still have that image? My download is super slow, it takes another two hours to finish (around 60kb/s)

                                    retropieuser555R 1 Reply Last reply Reply Quote 0
                                    • retropieuser555R
                                      retropieuser555 @Philcomm
                                      last edited by

                                      @philcomm the recalbox beta? Yeah I've got it here, should I post their config or something from it?

                                      Pi 5 4GB

                                      Retroflag GPI with raspberry pi zero 2 w/ wifi

                                      Retroachievements:- lovelessrapture

                                      PhilcommP 1 Reply Last reply Reply Quote 0
                                      • PhilcommP
                                        Philcomm @retropieuser555
                                        last edited by

                                        @retropieuser555 I wonder if there is any difference in the /boot/config.txt file compared to RetroPie. Also, is the md5 hash of /boot/overlays/pwm-audio-pi-zero.dtbo the same?

                                        retropieuser555R 1 Reply Last reply Reply Quote 0
                                        • retropieuser555R
                                          retropieuser555 @Philcomm
                                          last edited by

                                          @philcomm Here's there config file:-

                                          ############################################################################
                                          # Boot loader configuration                                                #
                                          # Warning: do not edit this file as it will be overwritten when upgrading! #
                                          ############################################################################
                                          
                                          # Using /etc/modules is deprecated and no longer supported on 4.4 kernel
                                          # So manually enable audio
                                          dtparam=audio=on
                                          
                                          # if you plug your tv at the same time as your rpi and that the rpi switches from the hdmi or
                                          # give a low resolution because tv had no enough time to initialize it
                                          boot_delay=3
                                          
                                          # disable boot rainbow
                                          disable_splash=1
                                          
                                          # default CEC name
                                          cec_osd_name=recalbox
                                          
                                          avoid_safe_mode=1
                                          
                                          kernel=boot/linux
                                          initramfs boot/initrd.gz
                                          
                                          # force hdmi while the tv can take time before sending the signal on the hdmi output
                                          hdmi_force_hotplug=1
                                          
                                          # total amount of GPU memory
                                          gpu_mem_256=128
                                          gpu_mem_512=128
                                          gpu_mem_1024=448
                                          
                                          # your settings can be set in /boot/recalbox-user-config.txt
                                          include recalbox-user-config.txt
                                          
                                          # overclocking settings are automatically managed in this file
                                          # do not remove this line, nor edit the file
                                          include recalbox-oc-config.txt
                                          
                                          # Raise the first security limit up to 70° instead of 60° for pi3 and pi4
                                          [pi3]
                                          temp_soft_limit=70
                                          dtoverlay=vc4-kms-v3d
                                          include recalbox-crt-config.txt
                                          
                                          [pi4]
                                          temp_soft_limit=70
                                          dtoverlay=vc4-kms-v3d
                                          include recalbox-crt-config.txt
                                          
                                          # disable 4k resolution
                                          hdmi_pixel_freq_limit:0=200000000
                                          hdmi_pixel_freq_limit:1=200000000
                                          
                                          [board-type=0x12]
                                          dtoverlay=vc4-kms-v3d
                                          
                                          # custom config
                                          [all]
                                          
                                          

                                          They don't seem to be using the pwm-audio-pi-zero.dtbo overlay in the config and it isn't in the overlay folders at all. Any ideas how they got this working? Guess can go onto their forum and ask them

                                          Pi 5 4GB

                                          Retroflag GPI with raspberry pi zero 2 w/ wifi

                                          Retroachievements:- lovelessrapture

                                          PhilcommP 1 Reply Last reply Reply Quote 0
                                          • PhilcommP
                                            Philcomm @retropieuser555
                                            last edited by Philcomm

                                            @retropieuser555 Does the /etc/asound.conf file exists? If yes, what's the content?

                                            retropieuser555R 1 Reply Last reply Reply Quote 0
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