!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Tue Dec 16 01:44:48 UTC 2025 !!Linux Distribution !!------------------ Debian GNU/Linux 12 \n \l PRETTY_NAME="Debian GNU/Linux 12 (bookworm)" NAME="Debian GNU/Linux" 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 !!--------------- !!Kernel Information !!------------------ Kernel release: 6.12.47 rpt-rpi-2712 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.47 rpt-rpi-2712 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- vc4 (card 0) vc4 (card 1) snd_soc_rpi_simple_soundcard (card 2) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes 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 [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 !!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: snd_soc_rpi_simple_soundcard * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../107c701400.hdmi |-- id |-- input2 | |-- capabilities | |-- device -> ../../card0 | |-- event2 | |-- id | |-- inhibited | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../../class/input | |-- uevent | `-- uniq |-- number |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../class/sound `-- uevent !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: /sys/class/sound/card1 |-- controlC1 | |-- dev | |-- device -> ../../card1 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../107c706400.hdmi |-- id |-- input4 | |-- capabilities | |-- device -> ../../card1 | |-- event4 | |-- id | |-- inhibited | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../../class/input | |-- uevent | `-- uniq |-- number |-- pcmC1D0p | |-- dev | |-- device -> ../../card1 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../class/sound `-- uevent !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/snd-rpi-simple Tree: /sys/class/sound/card2 |-- controlC2 | |-- dev | |-- device -> ../../card2 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../soc@107c000000:sound |-- id |-- number |-- pcmC2D0c | |-- dev | |-- device -> ../../card2 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- pcmC2D0p | |-- dev | |-- device -> ../../card2 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Dec 15 19:52 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Dec 15 19:52 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Dec 15 19:52 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Dec 15 19:52 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Dec 15 19:52 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 7 Dec 15 19:52 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 6 Dec 15 19:52 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Dec 15 19:52 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 15 19:52 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Dec 15 19:52 . drwxr-xr-x 3 root root 240 Dec 15 19:52 .. lrwxrwxrwx 1 root root 12 Dec 15 19:52 platform-107c701400.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Dec 15 19:52 platform-107c706400.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Dec 15 19:52 platform-soc@107c000000:sound -> ../controlC2 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.robothat { type asym playback.pcm { type plug slave.pcm "speaker" } capture.pcm { type plug slave.pcm "mic" } } pcm.speaker_hw { type hw card sndrpigooglevoi device 0 } pcm.dmixer { type dmix ipc_key 1024 ipc_perm 0666 slave { pcm "speaker_hw" period_time 0 period_size 1024 buffer_size 8192 rate 44100 channels 2 } } ctl.dmixer { type hw card sndrpigooglevoi } pcm.speaker { type softvol slave { pcm "dmixer" } control { name "robot-hat speaker Playback Volume" card sndrpigooglevoi } min_dB -51.0 max_dB 0.0 } pcm.mic_hw { type hw card sndrpigooglevoi device 0 } pcm.mic { type softvol slave { pcm "mic_hw" } control { name "robot-hat mic Capture Volume" card sndrpigooglevoi } min_dB -26.0 max_dB 25.0 } ctl.robothat { type hw card sndrpigooglevoi } pcm.!default robothat ctl.!default robothat !!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: 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 2: 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 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 sndrpigooglevoi Card sysdefault:2 'sndrpigooglevoi'/'snd_rpi_googlevoicehat_soundcard' Mixer name : '' Components : '' Controls : 2 Simple ctrls : 2 Simple mixer control 'robot-hat mic',0 Capabilities: cvolume Capture channels: Front Left - Front Right Limits: Capture 0 - 255 Front Left: Capture 255 [100%] [25.00dB] Front Right: Capture 255 [100%] [25.00dB] Simple mixer control 'robot-hat speaker',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] !!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.sndrpigooglevoi { control.1 { iface MIXER name 'robot-hat speaker 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 } } control.2 { iface MIXER name 'robot-hat mic Capture Volume' value.0 255 value.1 255 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008fffff5d800000014' dbmin -2600 dbmax 2500 dbvalue.0 2500 dbvalue.1 2500 } } } --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 designware_i2s dm_mod 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 i2c_designware_core i2c_designware_platform i2c_dev ip_tables ipv6 ledtrig_pattern libaes mc nvmem_rmem ov5647 pisp_be pwm_fan raspberrypi_gpiomem raspberrypi_hwmon rfkill rp1_adc rp1_cfe rp1_fw rp1_mailbox rp1_pio rpi_hevc_dec sha1_ce sha1_generic sha256_arm64 sha2_ce snd snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_googlevoicehat_codec snd_soc_hdmi_codec snd_soc_rpi_simple_soundcard snd_timer spi_bcm2835 spi_dw spi_dw_mmio spidev uio uio_pdrv_genirq v3d v4l2_async v4l2_fwnode v4l2_mem2mem vc4 videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.752572] input: vc4-hdmi-0 as /devices/platform/soc@107c000000/107c701400.hdmi/rc/rc0/input1 [ 0.753287] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc@107c000000/107c701400.hdmi/sound/card0/input2 [ 0.754253] vc4-drm axi:gpu: bound 107c701400.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 0.755463] input: vc4-hdmi-1 as /devices/platform/soc@107c000000/107c706400.hdmi/rc/rc1/input3 [ 0.756152] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc@107c000000/107c706400.hdmi/sound/card1/input4 [ 0.757074] vc4-drm axi:gpu: bound 107c706400.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 749.273389] rp1-cfe 1f00110000.csi: Using a link rate of 416 Mbps [ 750.330596] voicehat-codec voicehat-codec: Enabling audio amp... [ 750.331135] voicehat-codec voicehat-codec: Disabling audio amp... [ 750.332600] voicehat-codec voicehat-codec: Enabling audio amp... [ 750.332716] voicehat-codec voicehat-codec: Disabling audio amp... [ 750.333972] voicehat-codec voicehat-codec: Enabling audio amp... [ 750.334132] voicehat-codec voicehat-codec: Disabling audio amp... [ 750.338072] voicehat-codec voicehat-codec: Enabling audio amp... [ 750.338560] voicehat-codec voicehat-codec: Disabling audio amp... [ 774.902011] rp1-cfe 1f00110000.csi: Using a link rate of 416 Mbps [ 775.550698] voicehat-codec voicehat-codec: Enabling audio amp... [ 775.551681] voicehat-codec voicehat-codec: Disabling audio amp... [ 775.553345] voicehat-codec voicehat-codec: Enabling audio amp... [ 775.553488] voicehat-codec voicehat-codec: Disabling audio amp... [ 775.554756] voicehat-codec voicehat-codec: Enabling audio amp... [ 775.554921] voicehat-codec voicehat-codec: Disabling audio amp... [ 775.558871] voicehat-codec voicehat-codec: Enabling audio amp... [ 775.559371] voicehat-codec voicehat-codec: Disabling audio amp... [ 905.652347] voicehat-codec voicehat-codec: Enabling audio amp... [ 905.652871] voicehat-codec voicehat-codec: Disabling audio amp... [ 905.654543] voicehat-codec voicehat-codec: Enabling audio amp... [ 905.654667] voicehat-codec voicehat-codec: Disabling audio amp... [ 905.655941] voicehat-codec voicehat-codec: Enabling audio amp... [ 905.656103] voicehat-codec voicehat-codec: Disabling audio amp... [ 905.659876] voicehat-codec voicehat-codec: Enabling audio amp... [ 905.660362] voicehat-codec voicehat-codec: Disabling audio amp... [ 923.888805] rp1-cfe 1f00110000.csi: csi2_ch0 node link is not enabled. [ 943.151000] rp1-cfe 1f00110000.csi: csi2_ch0 node link is not enabled. [ 969.298835] voicehat-codec voicehat-codec: Enabling audio amp... [ 969.299370] voicehat-codec voicehat-codec: Disabling audio amp... [ 969.300882] voicehat-codec voicehat-codec: Enabling audio amp... [ 969.301006] voicehat-codec voicehat-codec: Disabling audio amp... [ 969.302324] voicehat-codec voicehat-codec: Enabling audio amp... [ 969.302505] voicehat-codec voicehat-codec: Disabling audio amp... [ 969.306649] voicehat-codec voicehat-codec: Enabling audio amp... [ 969.307145] voicehat-codec voicehat-codec: Disabling audio amp... [ 1043.805695] voicehat-codec voicehat-codec: Enabling audio amp... [ 1043.806195] voicehat-codec voicehat-codec: Disabling audio amp... [ 1043.807625] voicehat-codec voicehat-codec: Enabling audio amp... [ 1043.808105] voicehat-codec voicehat-codec: Disabling audio amp... [ 1043.809373] voicehat-codec voicehat-codec: Enabling audio amp... [ 1043.809521] voicehat-codec voicehat-codec: Disabling audio amp... [ 1043.813164] voicehat-codec voicehat-codec: Enabling audio amp... [ 1043.813633] voicehat-codec voicehat-codec: Disabling audio amp... [ 1051.099953] voicehat-codec voicehat-codec: Enabling audio amp... [ 1052.747653] rp1-cfe 1f00110000.csi: Using a link rate of 437 Mbps [ 2724.900398] voicehat-codec voicehat-codec: Disabling audio amp... !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.8-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.8-1 rpt1 arm64 Utilities for configuring and using ALSA