I have changed in config.txt dtoverlay to dtoverlay=hifiberry-digi-pro. If this is correct for Digi+ Pro, it should be the right one for Digi2.
Here is the whole set of results for every command that you have suggested until now, based on the changes in config.txt: Code: -------------------- pi@raspberrypi:~ $ squeezelite -l Output devices: null - Discard all samples (playback) or generate zero samples (capture) hw:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Direct hardware device without any conversions plughw:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Hardware device with all software conversions default:CARD=Headphones - bcm2835 Headphones, bcm2835 Headphones - Default Audio Device sysdefault:CARD=Headphones - bcm2835 Headphones, bcm2835 Headphones - Default Audio Device dmix:CARD=Headphones,DEV=0 - bcm2835 Headphones, bcm2835 Headphones - Direct sample mixing device hw:CARD=vc4hdmi0,DEV=0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - Direct hardware device without any conversions plughw:CARD=vc4hdmi0,DEV=0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - Hardware device with all software conversions default:CARD=vc4hdmi0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - Default Audio Device sysdefault:CARD=vc4hdmi0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - Default Audio Device hdmi:CARD=vc4hdmi0,DEV=0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - HDMI Audio Output dmix:CARD=vc4hdmi0,DEV=0 - vc4-hdmi-0, MAI PCM i2s-hifi-0 - Direct sample mixing device hw:CARD=vc4hdmi1,DEV=0 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - Direct hardware device without any conversions plughw:CARD=vc4hdmi1,DEV=0 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - Hardware device with all software conversions default:CARD=vc4hdmi1 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - Default Audio Device sysdefault:CARD=vc4hdmi1 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - Default Audio Device hdmi:CARD=vc4hdmi1,DEV=0 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - HDMI Audio Output dmix:CARD=vc4hdmi1,DEV=0 - vc4-hdmi-1, MAI PCM i2s-hifi-0 - Direct sample mixing device -------------------- Code: -------------------- pi@raspberrypi:~ $ sudo vcdbg log msg |& grep -v HDMI 003517.718: arasan: arasan_emmc_open 003964.838: brfs: File read: /mfs/sd/config.txt 003965.813: brfs: File read: 2105 bytes 004148.908: brfs: File read: /mfs/sd/config.txt 005266.696: gpioman: gpioman_get_pin_num: pin DISPLAY_DSI_PORT not defined 005269.216: *** Restart logging 005269.237: brfs: File read: 2105 bytes 005627.661: dtb_file 'bcm2711-rpi-4-b.dtb' 005633.871: brfs: File read: /mfs/sd/bcm2711-rpi-4-b.dtb 005633.888: Loading 'bcm2711-rpi-4-b.dtb' to 0x100 size 0xc957 005646.856: brfs: File read: 51543 bytes 005660.174: brfs: File read: /mfs/sd/overlays/overlay_map.dtb 005727.084: brfs: File read: 1703 bytes 005729.553: brfs: File read: /mfs/sd/config.txt 005745.288: Loaded HAT overlay 005745.298: dtparam: audio=on 005781.939: brfs: File read: 2105 bytes 005788.329: brfs: File read: /mfs/sd/overlays/hifiberry-digi-pro.dtbo 005803.904: Loaded overlay 'hifiberry-digi-pro' 005828.930: brfs: File read: 1125 bytes 005844.763: brfs: File read: /mfs/sd/overlays/vc4-kms-v3d-pi4.dtbo 005909.153: Loaded overlay 'vc4-kms-v3d' 006081.725: brfs: File read: 3823 bytes 006083.612: brfs: File read: /mfs/sd/cmdline.txt 006083.648: Read command line from file 'cmdline.txt': 006083.659: 'console=serial0,115200 console=tty1 root=PARTUUID=937c1094-02 rootfstype=ext4 fsck.repair=yes rootwait' 006202.664: brfs: File read: 103 bytes 006813.100: brfs: File read: /mfs/sd/kernel7l.img 006813.119: Loading 'kernel7l.img' to 0x8000 size 0x679a48 006813.147: Device tree loaded to 0x2eff2f00 (size 0xd040) 006844.546: gpioman: gpioman_get_pin_num: pin SDCARD_CONTROL_POWER not defined 009474.632: vchiq_core: vchiq_init_state: slot_zero = 0xdad80000, is_master = 1 -------------------- Code: -------------------- pi@raspberrypi:~ $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 7/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 1: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 -------------------- Code: -------------------- pi@raspberrypi:~ $ cd /sys/module pi@raspberrypi:/sys/module $ ls 8021q bcm2835_codec brcmutil cryptomgr fb hid llc nfsv4 rcutree snd_bcm2835 snd_timer tcp_cubic vc_sm_cma xhci_hcd 8250 bcm2835_isp brd crypto_simd fb_sys_fops i2c_bcm2835 lockd nmi_backtrace regmap_i2c snd_compress soundcore uio videobuf2_common x_tables aes_arm_bs bcm2835_mmal_vchiq btbcm debug_core firmware_class i2c_brcmstb loop nvme rfkill snd_pcm spurious uio_pdrv_genirq videobuf2_dma_contig xz_dec af_alg bcm2835_mmc cachefiles dns_resolver fscache ip_tables mc nvme_core rng_core snd_pcm_dmaengine srcutree usbcore videobuf2_memops zswap algif_hash bcm2835_v4l2 cec drm fscrypto ipv6 mmcblk nvmem_rmem rpivid_mem snd_soc_bcm2835_i2s stp usbhid videobuf2_v4l2 algif_skcipher blk_cgroup cfg80211 drm_kms_helper fuse kdb mousedev printk scsi_mod snd_soc_core sunrpc usb_storage videobuf2_vmalloc apparmor block cmac drm_panel_orientation_quirks garp kernel netpoll r8152 scsi_transport_iscsi snd_soc_hdmi_codec syscopyarea v3d videodev auth_rpcgss bluetooth configfs dwc_otg genet keyboard nfs random sdhci snd_soc_rpi_wm8804_soundcard sysfillrect v4l2_mem2mem vt backlight bnep cpufreq ecc gpu_sched kgdboc nfs_layout_flexfiles raspberrypi_hwmon smsc95xx snd_soc_wm8804 sysimgblt vc4 watchdog bcm2708_fb brcmfmac cryptd ecdh_generic hci_uart lan78xx nfs_layout_nfsv41_files rcupdate snd snd_soc_wm8804_i2c sysrq vc_mem workqueue -------------------- Code: -------------------- pi@raspberrypi:/sys/module $ lsmod Module Size Used by snd_soc_wm8804_i2c 16384 0 snd_soc_wm8804 16384 1 snd_soc_wm8804_i2c -------------------- 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