!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Mon Oct 13 12:05:00 UTC 2025 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.1 ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP PREEMPT Debian 1:6.12.47-1 rpt1~bookworm (2025-09-16) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.47 rpt-rpi-2712 Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- vc4 (card 0) vc4 (card 1) virt_audio (card 2) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 1 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 2 [Virtual ]: virt_audio - Virtual Virtual Audio Device !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: virt_audio * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card2 Driver: /sys/devices/platform/virt_audio/driver Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Oct 13 07:00 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Oct 13 07:00 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Oct 13 14:01 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Oct 13 07:00 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Oct 13 07:00 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 7 Oct 13 14:01 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 6 Oct 13 14:01 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Oct 13 07:05 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 13 07:05 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Oct 13 14:01 . drwxr-xr-x 3 root root 240 Oct 13 14:01 .. lrwxrwxrwx 1 root root 12 Oct 13 07:00 platform-107c701400.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Oct 13 07:00 platform-107c706400.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Oct 13 14:01 platform-virt_audio -> ../controlC2 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.virtual { type hw card 2 } ctl.virtual { type hw card 2 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Virtual [Virtual], device 0: Virtual PCM [Virtual PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Virtual [Virtual], device 0: Virtual PCM [Virtual PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card vc4hdmi0 Card sysdefault:0 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card sysdefault:1 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card Virtual Card sysdefault:2 'Virtual'/'Virtual Audio Device' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.vc4hdmi0 { control.1 { iface CARD name 'HDMI Jack' value false comment { access read type BOOLEAN count 1 } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access 'read volatile' type INTEGER count 8 range '0 - 36' } } control.3 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } state.vc4hdmi1 { control.1 { iface CARD name 'HDMI Jack' value false comment { access read type BOOLEAN count 1 } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access 'read volatile' type INTEGER count 8 range '0 - 36' } } control.3 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } state.Virtual { control { } } --endcollapse-- !!All Loaded Modules !!------------------ aes_ce_blk aes_ce_cipher af_alg algif_hash algif_skcipher backlight binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_shmem_helper ecc ecdh_generic fuse gf128mul ghash_ce gpio_keys gpu_sched hci_uart i2c_brcmstb ip_tables ipv6 libaes mc nfnetlink nvmem_rmem pisp_be raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill rp1_adc rp1_fw rp1_mailbox rp1_pio rpi_hevc_dec sch_fq_codel sha1_ce sha1_generic sha256_arm64 sha2_ce snd snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_timer spi_bcm2835 spidev uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev virt_audio x_tables !!ALSA/HDA dmesg !!-------------- [ 1446.971652] virt_audio: D\xc3\xa9charg\xc3\xa9 [ 1447.039961] virt_audio: Initialisation [ 1447.041522] virt_audio: Charg\xc3\xa9 (carte 2) [ 1490.131669] virt_audio: D\xc3\xa9charg\xc3\xa9 [ 1490.188025] virt_audio: Initialisation du driver audio virtuel [ 1490.188557] virt_audio: Driver charg\xc3\xa9 avec succ\xc3\xa8s (carte 2) [ 1490.188563] virt_audio: P\xc3\xa9riph\xc3\xa9rique disponible dans /proc/asound/card2 [ 1490.199060] virt_audio: Stream playback ouvert [ 1490.201425] virt_audio: hw_params - rate=48000, channels=1, buffer=48000 bytes [ 1490.201432] virt_audio: Erreur allocation buffer: -22 [ 1490.201434] virt_audio: hw_free [ 1490.201669] virt_audio: Stream playback ferm\xc3\xa9 [20476.081134] virt_audio: D\xc3\xa9chargement du driver [20476.081537] virt_audio: Driver d\xc3\xa9charg\xc3\xa9 [20476.145252] TEST_ALSA: ========== DEBUT ========== [20476.145259] TEST_ALSA: [1] Cr\xc3\xa9ation platform device... [20476.145336] TEST_ALSA: [1] Platform device OK [20476.145338] TEST_ALSA: [2] Cr\xc3\xa9ation snd_card... [20476.145350] TEST_ALSA: [2] Carte cr\xc3\xa9\xc3\xa9e OK (card=2) [20476.145351] TEST_ALSA: [2] Infos carte d\xc3\xa9finies [20476.145352] TEST_ALSA: [3] Cr\xc3\xa9ation snd_pcm... [20476.145365] TEST_ALSA: [3] PCM cr\xc3\xa9\xc3\xa9 OK [20476.145367] TEST_ALSA: [3] PCM ops d\xc3\xa9finies [20476.145368] TEST_ALSA: [4] AVANT snd_card_register (\xc3\xa9tape critique)... [20476.145591] TEST_ALSA: [4] APRES snd_card_register (err=0) [20476.145595] TEST_ALSA: [4] Carte enregistr\xc3\xa9e avec SUCCES ! [20476.145596] TEST_ALSA: ========== FIN OK ========== [20476.145597] TEST_ALSA: Carte disponible: /proc/asound/card2 [20727.073698] TEST_ALSA: Nettoyage... [20727.074113] TEST_ALSA: Carte lib\xc3\xa9r\xc3\xa9e [20727.074131] TEST_ALSA: Platform device supprim\xc3\xa9 [20727.074132] TEST_ALSA: Module d\xc3\xa9charg\xc3\xa9 [20727.139874] virt_audio: Initialisation [20727.140878] virt_audio: Charg\xc3\xa9 (carte 2) !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.14-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.14-1 arm64 Utilities for configuring and using ALSA