!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Sun Sep 7 09:23:50 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 !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP PREEMPT Debian 1:6.12.34-1 rpt1~bookworm (2025-06-26) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.34 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- vc4 (card 0) vc4 (card 1) snd_aloop (card 2) snd_bcm2835 (card 3) snd_usb_audio (card 4) snd_soc_rpi_simple_soundcard (card 5) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!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 [Loopback ]: Loopback - Loopback Loopback 1 3 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 4 [M4 ]: USB-Audio - M4 MOTU M4 at usb-0000:01:00.0-1.2, high speed 5 [sndrpihifiberry]: RPi-simple - snd_rpi_hifiberrydacplusdsp_sou snd_rpi_hifiberrydacplusdsp_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_headphones=1 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_hdmi=0 !!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_aloop enable : Y,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 pcm_notify : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 pcm_substreams : 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 timer_source : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) !!Module: snd_bcm2835 enable_hdmi : N enable_headphones : Y force_bulk : N num_channels : 8 !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!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 -> ../../../fef00700.hdmi |-- id |-- input1 | |-- capabilities | |-- device -> ../../card0 | |-- event1 | |-- 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 -> ../../../fef05700.hdmi |-- id |-- input3 | |-- capabilities | |-- device -> ../../card1 | |-- event3 | |-- 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_aloop Tree: /sys/class/sound/card2 |-- controlC2 | |-- dev | |-- device -> ../../card2 | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- device -> ../../../snd_aloop.0 |-- id |-- number |-- pcmC2D0c | |-- dev | |-- device -> ../../card2 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- pcmC2D0p | |-- dev | |-- device -> ../../card2 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- pcmC2D1c | |-- dev | |-- device -> ../../card2 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- pcmC2D1p | |-- 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 !!Card: /sys/class/sound/card3 Driver: /sys/bus/vchiq-bus/drivers/bcm2835-audio Tree: /sys/class/sound/card3 |-- controlC3 | |-- dev | |-- device -> ../../card3 | |-- power | |-- subsystem -> ../../../../../../../../class/sound | `-- uevent |-- device -> ../../../bcm2835-audio |-- id |-- number |-- pcmC3D0p | |-- dev | |-- device -> ../../card3 | |-- 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/card4 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: /sys/class/sound/card4 |-- controlC4 | |-- dev | |-- device -> ../../card4 | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- device -> ../../../1-1.2:1.0 |-- dmmidi4 | |-- dev | |-- device -> ../../card4 | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- id |-- midi4 | |-- dev | |-- device -> ../../card4 | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- midiC4D0 | |-- dev | |-- device -> ../../card4 | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- number |-- pcmC4D0c | |-- dev | |-- device -> ../../card4 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- pcmC4D0p | |-- dev | |-- device -> ../../card4 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- seq-midi-4-0 | |-- driver -> ../../../../../../../../../../../../../../bus/snd_seq/drivers/snd_seq_midi | |-- power | |-- subsystem -> ../../../../../../../../../../../../../../bus/snd_seq | `-- uevent |-- subsystem -> ../../../../../../../../../../../../../class/sound `-- uevent !!Card: /sys/class/sound/card5 Driver: /sys/bus/platform/drivers/snd-rpi-simple Tree: /sys/class/sound/card5 |-- controlC5 | |-- dev | |-- device -> ../../card5 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../soc:sound |-- id |-- number |-- pcmC5D0c | |-- dev | |-- device -> ../../card5 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- pcmC5D0p | |-- dev | |-- device -> ../../card5 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../class/sound `-- uevent !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 07fd:000b Mark of the Unicorn M Series Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x07fd Mark of the Unicorn idProduct 0x000b M Series bcdDevice 2.04 iManufacturer 1 MOTU iProduct 2 M4 iSerial 3 M4AE1D6A1J bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0177 bNumInterfaces 7 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 5 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 8 wTotalLength 0x0053 bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 2 bmAttributes 0 External clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 4 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 11 (CLOCK_SELECTOR) bClockID 1 bNrInPins 1 baCSourceID(0) 2 bmControls 0x00 iClockSelector 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 1 bNrChannels 4 bmChannelConfig 0x00000000 iChannelNames 0 bmControls 0x0000 iTerminal 6 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0602 Digital Audio Interface bAssocTerminal 0 bSourceID 3 bCSourceID 1 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 6 wTerminalType 0x0602 Digital Audio Interface bAssocTerminal 0 bCSourceID 1 bNrChannels 4 bmChannelConfig 0x00000000 iChannelNames 0 bmControls 0x0000 iTerminal 6 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 6 bCSourceID 1 bmControls 0x0000 iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 3 bmControls 0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 4 bmChannelConfig 0x00000000 iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0190 1x 400 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 5 bmControls 0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 4 bmChannelConfig 0x00000000 iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 37 Transfer Type Isochronous Synch Type Asynchronous Usage Type Implicit feedback Data wMaxPacketSize 0x0195 1x 405 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0009 bInCollection 1 baInterfaceNr(0) 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 3 MIDI Streaming bInterfaceProtocol 0 iInterface 0 MIDIStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0041 MIDIStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (MIDI_IN_JACK) bJackType 1 Embedded bJackID 1 iJack 0 MIDIStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (MIDI_IN_JACK) bJackType 2 External bJackID 2 iJack 0 MIDIStreaming Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (MIDI_OUT_JACK) bJackType 1 Embedded bJackID 3 bNrInputPins 1 baSourceID( 0) 2 BaSourcePin( 0) 1 iJack 0 MIDIStreaming Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (MIDI_OUT_JACK) bJackType 2 External bJackID 4 bNrInputPins 1 baSourceID( 0) 1 BaSourcePin( 0) 1 iJack 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x08 EP 8 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x89 EP 9 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 3 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 5 bInterfaceCount 2 bFunctionClass 2 Communications bFunctionSubClass 2 Abstract (modem) bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 2 Abstract (modem) bInterfaceProtocol 0 iInterface 0 CDC Header: bcdCDC 10.01 CDC ACM: bmCapabilities 0x02 line coding and serial state CDC Union: bMasterInterface 5 bSlaveInterface 6 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 10 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x86 EP 6 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- MOTU M4 at usb-0000:01:00.0-1.2, high speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S32_LE Channels: 4 Endpoint: 0x02 (2 OUT) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE Sync Endpoint: 0x83 (3 IN) Sync EP Interface: 2 Sync EP Altset: 1 Implicit Feedback Mode: Yes Capture: Status: Running Interface = 2 Altset = 1 Packet Size = 288 Momentary freq = 96000 Hz (0xc.0000) Interface 2 Altset 1 Format: S32_LE Channels: 4 Endpoint: 0x83 (3 IN) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x07fd000b, ctrlif=3, ctlerr=0 Card: MOTU M4 at usb-0000:01:00.0-1.2, high speed USB Mixer: usb_id=0x07fd000b, ctrlif=0, ctlerr=0 Card: MOTU M4 at usb-0000:01:00.0-1.2, high speed Unit: 2 Control: name="Internal Validity", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Aug 24 23:48 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Aug 24 23:48 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 10 Aug 24 23:48 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 12 Aug 24 23:48 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 16 Aug 24 23:48 /dev/snd/controlC4 crw-rw---- 1 root audio 116, 19 Aug 24 23:48 /dev/snd/controlC5 crw-rw---- 1 root audio 116, 15 Aug 24 23:48 /dev/snd/midiC4D0 crw-rw---- 1 root audio 116, 2 Aug 24 23:48 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Aug 24 23:48 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 7 Aug 24 23:48 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 6 Aug 24 23:48 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 9 Aug 24 23:48 /dev/snd/pcmC2D1c crw-rw---- 1 root audio 116, 8 Aug 24 23:48 /dev/snd/pcmC2D1p crw-rw---- 1 root audio 116, 11 Aug 24 23:48 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 14 Aug 24 23:48 /dev/snd/pcmC4D0c crw-rw---- 1 root audio 116, 13 Aug 24 23:48 /dev/snd/pcmC4D0p crw-rw---- 1 root audio 116, 18 Aug 24 23:48 /dev/snd/pcmC5D0c crw-rw---- 1 root audio 116, 17 Aug 24 23:48 /dev/snd/pcmC5D0p crw-rw---- 1 root audio 116, 1 Aug 24 23:48 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 24 23:48 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 24 23:48 . drwxr-xr-x 4 root root 480 Aug 24 23:48 .. lrwxrwxrwx 1 root root 12 Aug 24 23:48 usb-MOTU_M4_M4AE1D6A1J-00 -> ../controlC4 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 160 Aug 24 23:48 . drwxr-xr-x 4 root root 480 Aug 24 23:48 .. lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0 -> ../controlC4 lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-fe00b840.mailbox -> ../controlC3 lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-fef00700.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-fef05700.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-snd_aloop.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Aug 24 23:48 platform-soc:sound -> ../controlC5 !!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: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 8/8 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 2: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 8/8 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 3: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 8/8 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 4: M4 [M4], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 card 5: sndrpihifiberry [snd_rpi_hifiberrydacplusdsp_sou], device 0: Hifiberry DAC DSP SoundCard HiFi dacplusdsp-hifi-0 [Hifiberry DAC DSP SoundCard HiFi dacplusdsp-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 8/8 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 2: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 8/8 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 4: M4 [M4], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 card 5: sndrpihifiberry [snd_rpi_hifiberrydacplusdsp_sou], device 0: Hifiberry DAC DSP SoundCard HiFi dacplusdsp-hifi-0 [Hifiberry DAC DSP SoundCard HiFi dacplusdsp-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 Loopback Card sysdefault:2 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 113 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 Headphones Card sysdefault:3 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -1988 [78%] [-19.88dB] [on] !!-------Mixer controls for card M4 Card sysdefault:4 'M4'/'MOTU M4 at usb-0000:01:00.0-1.2, high speed' Mixer name : 'USB Mixer' Components : 'USB07fd:000b' Controls : 3 Simple ctrls : 0 !!-------Mixer controls for card sndrpihifiberry Card sysdefault:5 'sndrpihifiberry'/'snd_rpi_hifiberrydacplusdsp_soundcard' 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.Loopback { control.1 { iface PCM name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.2 { iface PCM name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface PCM name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.4 { iface PCM name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.5 { iface PCM name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.6 { iface PCM name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.7 { iface PCM name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.8 { iface PCM subdevice 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.9 { iface PCM subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface PCM subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.11 { iface PCM subdevice 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.12 { iface PCM subdevice 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.13 { iface PCM subdevice 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.14 { iface PCM subdevice 1 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.15 { iface PCM subdevice 2 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.16 { iface PCM subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.17 { iface PCM subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.18 { iface PCM subdevice 2 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.19 { iface PCM subdevice 2 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.20 { iface PCM subdevice 2 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.21 { iface PCM subdevice 2 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.22 { iface PCM subdevice 3 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.23 { iface PCM subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.24 { iface PCM subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.25 { iface PCM subdevice 3 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.26 { iface PCM subdevice 3 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.27 { iface PCM subdevice 3 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.28 { iface PCM subdevice 3 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.29 { iface PCM subdevice 4 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.30 { iface PCM subdevice 4 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.31 { iface PCM subdevice 4 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.32 { iface PCM subdevice 4 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.33 { iface PCM subdevice 4 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.34 { iface PCM subdevice 4 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.35 { iface PCM subdevice 4 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.36 { iface PCM subdevice 5 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.37 { iface PCM subdevice 5 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.38 { iface PCM subdevice 5 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.39 { iface PCM subdevice 5 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.40 { iface PCM subdevice 5 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.41 { iface PCM subdevice 5 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.42 { iface PCM subdevice 5 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.43 { iface PCM subdevice 6 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.44 { iface PCM subdevice 6 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface PCM subdevice 6 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.46 { iface PCM subdevice 6 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.47 { iface PCM subdevice 6 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.48 { iface PCM subdevice 6 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.49 { iface PCM subdevice 6 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.50 { iface PCM subdevice 7 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.51 { iface PCM subdevice 7 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.52 { iface PCM subdevice 7 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.53 { iface PCM subdevice 7 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.54 { iface PCM subdevice 7 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.55 { iface PCM subdevice 7 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.56 { iface PCM subdevice 7 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.57 { iface PCM device 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.58 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.59 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.60 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.61 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.62 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.63 { iface PCM device 1 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.64 { iface PCM device 1 subdevice 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.65 { iface PCM device 1 subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.66 { iface PCM device 1 subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.67 { iface PCM device 1 subdevice 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.68 { iface PCM device 1 subdevice 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.69 { iface PCM device 1 subdevice 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.70 { iface PCM device 1 subdevice 1 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.71 { iface PCM device 1 subdevice 2 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.72 { iface PCM device 1 subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.73 { iface PCM device 1 subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.74 { iface PCM device 1 subdevice 2 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.75 { iface PCM device 1 subdevice 2 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.76 { iface PCM device 1 subdevice 2 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.77 { iface PCM device 1 subdevice 2 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.78 { iface PCM device 1 subdevice 3 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.79 { iface PCM device 1 subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.80 { iface PCM device 1 subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.81 { iface PCM device 1 subdevice 3 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.82 { iface PCM device 1 subdevice 3 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.83 { iface PCM device 1 subdevice 3 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.84 { iface PCM device 1 subdevice 3 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.85 { iface PCM device 1 subdevice 4 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.86 { iface PCM device 1 subdevice 4 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.87 { iface PCM device 1 subdevice 4 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.88 { iface PCM device 1 subdevice 4 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.89 { iface PCM device 1 subdevice 4 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.90 { iface PCM device 1 subdevice 4 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.91 { iface PCM device 1 subdevice 4 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.92 { iface PCM device 1 subdevice 5 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.93 { iface PCM device 1 subdevice 5 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.94 { iface PCM device 1 subdevice 5 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.95 { iface PCM device 1 subdevice 5 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.96 { iface PCM device 1 subdevice 5 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.97 { iface PCM device 1 subdevice 5 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.98 { iface PCM device 1 subdevice 5 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.99 { iface PCM device 1 subdevice 6 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.100 { iface PCM device 1 subdevice 6 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.101 { iface PCM device 1 subdevice 6 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.102 { iface PCM device 1 subdevice 6 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.103 { iface PCM device 1 subdevice 6 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.104 { iface PCM device 1 subdevice 6 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.105 { iface PCM device 1 subdevice 6 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.106 { iface PCM device 1 subdevice 7 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.107 { iface PCM device 1 subdevice 7 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.108 { iface PCM device 1 subdevice 7 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.109 { iface PCM device 1 subdevice 7 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.110 { iface PCM device 1 subdevice 7 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.111 { iface PCM device 1 subdevice 7 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.112 { iface PCM device 1 subdevice 7 name 'PCM Slave Access Mode' value Interleaved comment { access read type ENUMERATED count 1 item.0 Interleaved item.1 Non-interleaved } } control.113 { 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.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value -1988 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -1988 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.M4 { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 value.2 7 value.3 8 comment { access 'read volatile' type INTEGER count 4 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 3 value.1 4 value.2 7 value.3 8 comment { access 'read volatile' type INTEGER count 4 range '0 - 36' } } control.3 { iface CARD name 'Internal Validity' value true comment { access read type BOOLEAN count 1 } } } state.sndrpihifiberry { 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 cdc_acm cec cfg80211 cmac dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_shmem_helper ecc ecdh_generic fuse gpu_sched hci_uart i2c_brcmstb i2c_dev ip_tables ipv6 joydev ledtrig_pattern libaes mc nvmem_rmem raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill rpi_hevc_dec snd snd_aloop snd_bcm2835 snd_compress snd_hrtimer snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_soc_bcm2835_i2s snd_soc_core snd_soc_hdmi_codec snd_soc_hifiberry_dacplusdsp snd_soc_rpi_simple_soundcard snd_timer snd_usb_audio snd_usbmidi_lib spi_bcm2835 spidev uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!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 numa_policy=interleave nvme.max_host_mem_size_mb=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 numa=fake=1 system_heap.max_order=0 smsc95xx.macaddr=DC:A6:32:01:BC:1E vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=8d9fedf0-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles cfg80211.ieee80211_regdom=ES [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 1.317138] input: vc4-hdmi-0 as /devices/platform/soc/fef00700.hdmi/rc/rc0/input0 [ 1.320481] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc/fef00700.hdmi/sound/card0/input1 [ 1.321223] vc4-drm gpu: bound fef00700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 1.323405] input: vc4-hdmi-1 as /devices/platform/soc/fef05700.hdmi/rc/rc1/input2 [ 1.325114] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc/fef05700.hdmi/sound/card1/input3 [ 1.326154] vc4-drm gpu: bound fef05700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 2.975345] systemd-journald[273]: File /var/log/journal/e21f82dd156d410cbca842c661732e1e/system.journal corrupted or uncleanly shut down, renaming and replacing. [ 4.573731] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.576142] bcm2835-audio bcm2835-audio: card created with 8 channels [ 4.588754] mc: Linux media interface: v0.10 -- [ 4.778519] bcm2835-codec bcm2835-codec: Loaded V4L2 encode_image [ 4.811470] usbcore: registered new interface driver snd-usb-audio [ 4.905970] cdc_acm 1-1.2:1.5: ttyACM0: USB ACM device !!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