!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Wed Jan 7 16:23:33 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.2 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 (2025-09-16) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.47 rpt-rpi-v8 Library version: 1.2.14 Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- vc4 (card 0) snd_soc_rpi_simple_soundcard (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi 1 [sndrpigooglevoi]: RPi-simple - snd_rpi_googlevoicehat_soundcar snd_rpi_googlevoicehat_soundcard !!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 snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: snd_soc_rpi_simple_soundcard * : !!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/snd-rpi-simple Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Jan 6 17:25 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Jan 6 17:25 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Jan 6 17:25 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 5 Jan 6 17:25 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 4 Jan 6 17:25 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 6 17:25 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 6 17:25 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jan 6 13:42 . drwxr-xr-x 3 root root 200 Jan 6 13:42 .. lrwxrwxrwx 1 root root 12 Jan 6 13:42 platform-3f902000.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Jan 6 13:42 platform-soc:sound -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: vc4hdmi [vc4-hdmi], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sndrpigooglevoi [snd_rpi_googlevoicehat_soundcar], device 0: Google voiceHAT SoundCard HiFi voicehat-hifi-0 [Google voiceHAT SoundCard HiFi voicehat-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: sndrpigooglevoi [snd_rpi_googlevoicehat_soundcar], device 0: Google voiceHAT SoundCard HiFi voicehat-hifi-0 [Google voiceHAT SoundCard HiFi voicehat-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card vc4hdmi Card sysdefault:0 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] !!-------Mixer controls for card sndrpigooglevoi Card sysdefault:1 'sndrpigooglevoi'/'snd_rpi_googlevoicehat_soundcard' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.vc4hdmi { control.1 { iface CARD name 'HDMI Jack' value true 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 '1000070066100001000000000000000042931901504c39313373090707000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.6 { iface MIXER name 'PCM Playback Volume' value.0 255 value.1 255 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffec1400000014' dbmin -5100 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } state.sndrpigooglevoi { control { } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 cmac drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fuse hci_uart i2c_bcm2835 i2c_dev ip_tables ipv6 libaes lz4_compress mc nfnetlink raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill sch_fq_codel snd snd_bcm2835 snd_compress snd_hrtimer snd_pcm snd_pcm_dmaengine snd_seq snd_seq_device snd_seq_dummy snd_soc_bcm2835_i2s snd_soc_core snd_soc_googlevoicehat_codec snd_soc_hdmi_codec snd_soc_rpi_simple_soundcard snd_timer uio uio_pdrv_genirq v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables zram !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_hdmi=0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=c65c83e3-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles cfg80211.ieee80211_regdom=US [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 14.503379] vc4-drm soc:gpu: bound 3f400000.hvs (ops vc4_hvs_ops [vc4]) [ 14.506095] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 14.520728] vc4-drm soc:gpu: bound 3f400000.hvs (ops vc4_hvs_ops [vc4]) -- [ 14.729100] input: vc4-hdmi as /devices/platform/soc/3f902000.hdmi/rc/rc0/input4 [ 14.738864] input: vc4-hdmi HDMI Jack as /devices/platform/soc/3f902000.hdmi/sound/card0/input5 [ 14.744585] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 27.600355] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save disabled [ 903.285748] voicehat-codec voicehat-codec: Enabling audio amp... [ 909.817555] voicehat-codec voicehat-codec: Disabling audio amp... [ 1056.712015] voicehat-codec voicehat-codec: Enabling audio amp... [ 1066.849823] voicehat-codec voicehat-codec: Disabling audio amp... [ 1097.150965] voicehat-codec voicehat-codec: Enabling audio amp... [ 1107.286746] voicehat-codec voicehat-codec: Disabling audio amp... [ 1173.254462] voicehat-codec voicehat-codec: Enabling audio amp... [ 1183.387704] voicehat-codec voicehat-codec: Disabling audio amp... [ 1218.935671] voicehat-codec voicehat-codec: Enabling audio amp... [ 1240.975465] voicehat-codec voicehat-codec: Disabling audio amp... [ 1309.669477] voicehat-codec voicehat-codec: Enabling audio amp... [ 1316.285893] voicehat-codec voicehat-codec: Disabling audio amp... [ 1343.644164] voicehat-codec voicehat-codec: Enabling audio amp... [ 1350.237445] voicehat-codec voicehat-codec: Disabling audio amp... !!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 rpt1 arm64 Utilities for configuring and using ALSA