!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu Jan 29 10:58:09 UTC 2026 !!Linux Distribution !!------------------ Ubuntu 25.10 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 25.10" PRETTY_NAME="Ubuntu 25.10" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=questing LOGO=ubuntu-logo !!DMI Information !!--------------- Manufacturer: Google Product Name: Caroline Product Version: 1.0 Firmware Version: MrChromebox-2509.3 System SKU: Board Vendor: Google Board Name: Caroline !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/10508825:00/status 15 /sys/bus/acpi/devices/ACPI0003:00/status 15 /sys/bus/acpi/devices/ATML0000:00/status 15 /sys/bus/acpi/devices/ATML0001:00/status 15 /sys/bus/acpi/devices/BOOT0000:00/status 15 /sys/bus/acpi/devices/GOOG0003:00/status 15 /sys/bus/acpi/devices/GOOG0004:00/status 15 /sys/bus/acpi/devices/GOOG0006:00/status 15 /sys/bus/acpi/devices/GOOG000A:00/status 15 /sys/bus/acpi/devices/INT33D3:00/status 15 /sys/bus/acpi/devices/INT33D6:00/status 15 /sys/bus/acpi/devices/INT3400:00/status 15 /sys/bus/acpi/devices/INT3403:00/status 15 /sys/bus/acpi/devices/INT3403:01/status 15 /sys/bus/acpi/devices/INT3403:02/status 15 /sys/bus/acpi/devices/INT3403:03/status 15 /sys/bus/acpi/devices/INT3403:04/status 15 /sys/bus/acpi/devices/INT343B:00/status 15 /sys/bus/acpi/devices/INT343B:01/status 15 /sys/bus/acpi/devices/INT344B:00/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0C02:03/status 15 /sys/bus/acpi/devices/PNP0C02:04/status 15 /sys/bus/acpi/devices/PNP0C0A:00/status 31 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/PNP0C31:00/status 15 /sys/bus/acpi/devices/device:40/status 15 !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #8-Ubuntu SMP PREEMPT_DYNAMIC Fri Nov 14 21:44:46 UTC 2025 Operating System: GNU/Linux Architecture: x86_64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.17.0-8-generic Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_soc_avs_probe (card 0) snd_soc_avs_dmic (card 1) snd_soc_avs_nau8825 (card 2) snd_soc_avs_ssm4567 (card 3) snd_soc_avs_hdaudio (card 4) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [PROBE ]: avs_probe_mb - AVS PROBE AVS PROBE 1 [avsdmic ]: avs_dmic - avs_dmic Google-Caroline-1.0 2 [avsnau8825 ]: avs_nau8825 - avs_nau8825 Google-Caroline-1.0 3 [avsssm4567 ]: avs_ssm4567 - avs_ssm4567 Google-Caroline-1.0 4 [hdaudioB0D2 ]: hdaudioB0D2 - hdaudioB0D2 Google-Caroline-1.0 !!PCI Soundcards installed in the system !!-------------------------------------- 00:1f.3 Multimedia audio controller [0401]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d70] (rev 21) DeviceName: Multimedia audio controller !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_intel_dspcfg: dsp_driver=4 snd_soc_avs: ignore_fw_version=1 snd_soc_avs: obsolete_card_names=1 !!Loaded sound module options !!--------------------------- !!Module: snd_soc_avs_probe * : !!Module: snd_soc_avs_dmic * : !!Module: snd_soc_avs_nau8825 * : !!Module: snd_soc_avs_ssm4567 * : !!Module: snd_soc_avs_hdaudio * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/avs_probe_mb Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/avs_dmic Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/avs_nau8825 Tree: !!Card: /sys/class/sound/card3 Driver: /sys/bus/platform/drivers/avs_ssm4567 Tree: !!Card: /sys/class/sound/card4 Driver: /sys/bus/platform/drivers/avs_hdaudio Tree: !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: Intel Skylake HDMI Address: 2 AFG Function Id: 0x1 (unsol 0) Vendor Id: 0x80862809 Subsystem Id: 0x80860101 Revision Id: 0x100000 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A State of AFG node 0x01: Power states: D0 D3 CLKSTOP EPSS Power: setting=D0, actual=D0, Clock-stop-OK GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 Node 0x02 [Audio Output] wcaps 0x6611: 8-Channels Digital Converter: stream=0, channel=0 Digital: Enabled KAE Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0x1a]: 16 24 32 formats [0x5]: PCM AC3 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Node 0x03 [Audio Output] wcaps 0x6611: 8-Channels Digital Converter: stream=0, channel=0 Digital: Enabled KAE Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0x1a]: 16 24 32 formats [0x5]: PCM AC3 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Node 0x04 [Audio Output] wcaps 0x6611: 8-Channels Digital Converter: stream=0, channel=0 Digital: Enabled KAE Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000 bits [0x1a]: 16 24 32 formats [0x5]: PCM AC3 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Node 0x05 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0b000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Devices: 0 Connection: 0 Node 0x06 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0b000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Devices: 0 Connection: 0 Node 0x07 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0b000094: OUT Detect HBR HDMI DP Pin Default 0x18560010: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D3 EPSS Power: setting=D0, actual=D0 Devices: 0 Connection: 0 Node 0x08 [Vendor Defined Widget] wcaps 0xf00000: Mono --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 2 Jan 29 11:57 /dev/snd/comprC0D0 crw-rw---- 1 root audio 116, 3 Jan 29 11:57 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Jan 29 11:57 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Jan 29 11:57 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 10 Jan 29 11:57 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 15 Jan 29 11:57 /dev/snd/controlC4 crw-rw---- 1 root audio 116, 14 Jan 29 11:57 /dev/snd/hwC4D2 crw-rw---- 1 root audio 116, 4 Jan 29 11:57 /dev/snd/pcmC1D2c crw-rw---- 1 root audio 116, 7 Jan 29 11:57 /dev/snd/pcmC2D1c crw-rw---- 1 root audio 116, 6 Jan 29 11:57 /dev/snd/pcmC2D1p crw-rw---- 1 root audio 116, 9 Jan 29 11:57 /dev/snd/pcmC3D1p crw-rw---- 1 root audio 116, 11 Jan 29 11:57 /dev/snd/pcmC4D1p crw-rw---- 1 root audio 116, 12 Jan 29 11:57 /dev/snd/pcmC4D2p crw-rw---- 1 root audio 116, 13 Jan 29 11:57 /dev/snd/pcmC4D3p crw-rw---- 1 root audio 116, 1 Jan 29 11:57 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 29 11:57 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 140 Jan 29 11:57 . drwxr-xr-x 3 root root 380 Jan 29 11:57 .. lrwxrwxrwx 1 root root 12 Jan 29 11:57 platform-avs_dmic -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 29 11:57 platform-avs_hdaudio.2 -> ../controlC4 lrwxrwxrwx 1 root root 12 Jan 29 11:57 platform-avs_nau8825.131072 -> ../controlC2 lrwxrwxrwx 1 root root 12 Jan 29 11:57 platform-avs_probe_mb -> ../controlC0 lrwxrwxrwx 1 root root 12 Jan 29 11:57 platform-avs_ssm4567.65536 -> ../controlC3 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:279: no soundcards found... ARECORD arecord: device_list:279: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card PROBE Invalid card number 'PROBE'. Invalid card number 'PROBE'. !!-------Mixer controls for card avsdmic Invalid card number 'avsdmic'. Invalid card number 'avsdmic'. !!-------Mixer controls for card avsnau8825 Invalid card number 'avsnau8825'. Invalid card number 'avsnau8825'. !!-------Mixer controls for card avsssm4567 Invalid card number 'avsssm4567'. Invalid card number 'avsssm4567'. !!-------Mixer controls for card hdaudioB0D2 Invalid card number 'hdaudioB0D2'. Invalid card number 'hdaudioB0D2'. !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ 8250_dw 842_compress 842_decompress ac97_bus acpi_thermal_rel aesni_intel af_alg algif_hash algif_skcipher atmel_mxt_ts autofs4 binfmt_misc bluetooth bnep btbcm btintel btmtk btrtl btusb ccm cec cfg80211 chromeos_laptop chromeos_tbmc cmac cmdlinepart coretemp cqhci crc8 cros_charge_control cros_ec cros_ec_chardev cros_ec_debugfs cros_ec_dev cros_ec_hwmon cros_ec_keyb cros_ec_lpcs cros_ec_proto cros_ec_sensorhub cros_ec_sensors cros_ec_sensors_core cros_ec_sysfs cros_kbd_led_backlight cros_usbpd_charger cros_usbpd_logger cros_usbpd_notify dmi_sysfs drm_buddy drm_display_helper efi_pstore ghash_clmulni_intel gpio_cros_ec gpio_keys hid hid_generic i2c_algo_bit i2c_hid i2c_hid_acpi i2c_i801 i2c_mux i2c_smbus i915 idma64 industrialio industrialio_triggered_buffer input_leds int3400_thermal int3403_thermal int340x_thermal_zone intel_cstate intel_lpss intel_lpss_pci intel_pch_thermal intel_pmc_core intel_pmc_ssram_telemetry intel_powerclamp intel_rapl_common intel_rapl_msr intel_soc_dts_iosf intel_tcc_cooling intel_vbtn intel_vsec intel_xhci_usb_role_switch ip_tables irqbypass iwlmvm iwlwifi joydev kfifo_buf kvm kvm_intel led_class_multicolor leds_cros_ec libarc4 lp lz4_compress lz4hc_compress mac80211 mac_hid matrix_keymap mc mmc_block msr mtd nfnetlink nls_iso8859_1 parport parport_pc pinctrl_sunrisepoint platform_profile platform_temperature_control pmt_class pmt_discovery pmt_telemetry polyval_clmulni ppdev processor_thermal_device processor_thermal_device_pci_legacy processor_thermal_mbox processor_thermal_power_floor processor_thermal_rapl processor_thermal_rfim processor_thermal_soc_slider processor_thermal_wt_hint processor_thermal_wt_req qrtr rapl rc_core rfcomm rpmb_core sch_fq_codel sdhci sdhci_pci sdhci_uhs2 serio_raw snd snd_compress snd_hda_codec snd_hda_codec_hdmi snd_hda_codec_intelhdmi snd_hda_core snd_hda_ext_core snd_hda_intel snd_hrtimer snd_hwdep snd_intel_dspcfg snd_intel_sdw_acpi snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_soc_acpi snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks snd_soc_avs snd_soc_avs_dmic snd_soc_avs_hdaudio snd_soc_avs_nau8825 snd_soc_avs_probe snd_soc_avs_ssm4567 snd_soc_core snd_soc_dmic snd_soc_hda_codec snd_soc_hdac_hda snd_soc_nau8825 snd_soc_sdca snd_soc_ssm4567 snd_sof snd_sof_intel_hda snd_sof_intel_hda_common snd_sof_intel_hda_generic snd_sof_intel_hda_mlink snd_sof_intel_hda_sdw_bpt snd_sof_pci snd_sof_pci_intel_skl snd_sof_utils snd_sof_xtensa_dsp snd_timer soc_button_array soundcore soundwire_bus soundwire_cadence soundwire_generic_allocation soundwire_intel sparse_keymap spi_intel spi_intel_pci spi_nor ttm uvc uvcvideo video videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev wmi x86_pkg_temp_thermal x_tables zram !!Sysfs Files !!----------- /sys/class/sound/hwC4D2/init_pin_configs: 0x05 0x18560010 0x06 0x18560010 0x07 0x18560010 /sys/class/sound/hwC4D2/driver_pin_configs: /sys/class/sound/hwC4D2/user_pin_configs: /sys/class/sound/hwC4D2/init_verbs: /sys/class/sound/hwC4D2/hints: !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.12-1ubuntu2.1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.14-1ubuntu1 amd64 Utilities for configuring and using ALSA