!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu May 1 18:18:48 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 !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP PREEMPT Debian 1:6.12.20-1 rpt1~bpo12 1 (2025-03-19) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.20 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) snd_usb_audio (card 1) vc4 (card 2) vc4 (card 3) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [UMC1820 ]: USB-Audio - UMC1820 BEHRINGER UMC1820 at usb-0000:01:00.0-1.1, high speed 2 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 3 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 !!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: 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: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/vchiq-bus/drivers/bcm2835-audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card3 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 1397:0503 BEHRINGER International GmbH UMC1820 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x1397 BEHRINGER International GmbH idProduct 0x0503 bcdDevice 1.00 iManufacturer 1 BEHRINGER iProduct 3 UMC1820 iSerial 2 7800C5D4 bNumConfigurations 2 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x01cc bNumInterfaces 6 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 3 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 3 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 8 wTotalLength 0x00c8 bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 41 bmAttributes 3 Internal programmable clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 9 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 42 bmAttributes 0 External clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 10 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 11 (CLOCK_SELECTOR) bClockID 40 bNrInPins 2 baCSourceID(0) 41 baCSourceID(1) 42 bmControls 0x03 Clock Selector Control (read/write) iClockSelector 8 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 40 bNrChannels 12 bmChannelConfig 0x00000000 iChannelNames 15 bmControls 0x0000 iTerminal 6 AudioControl Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 10 bSourceID 2 bmaControls(0) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(7) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(8) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(9) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(10) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(11) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(12) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 20 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 10 bCSourceID 40 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 40 bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 35 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 11 bSourceID 1 bmaControls(0) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(7) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(8) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(9) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(10) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 22 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 11 bCSourceID 40 bmControls 0x0000 iTerminal 7 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 4 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 12 bmChannelConfig 0x00000000 iChannelNames 15 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x01d4 1x 468 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0008 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0004 1x 4 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 22 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 35 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 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0208 1x 520 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0008 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 14 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 13 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 bRefresh 0 bSynchAddress 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 1 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 bRefresh 0 bSynchAddress 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 3 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 12 Device Firmware Upgrade Interface Descriptor: bLength 9 bDescriptorType 33 bmAttributes 7 Will Not Detach Manifestation Tolerant Upload Supported Download Supported wDetachTimeout 250 milliseconds wTransferSize 64 bytes bcdDFUVersion 1.10 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x01cc bNumInterfaces 6 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 3 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 3 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 8 wTotalLength 0x00c8 bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 41 bmAttributes 3 Internal programmable clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 9 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 42 bmAttributes 0 External clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 10 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 11 (CLOCK_SELECTOR) bClockID 40 bNrInPins 2 baCSourceID(0) 41 baCSourceID(1) 42 bmControls 0x03 Clock Selector Control (read/write) iClockSelector 8 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 40 bNrChannels 12 bmChannelConfig 0x00000000 iChannelNames 15 bmControls 0x0000 iTerminal 6 AudioControl Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 10 bSourceID 2 bmaControls(0) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(7) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(8) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(9) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(10) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(11) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(12) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 20 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 10 bCSourceID 40 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 40 bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 35 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 11 bSourceID 1 bmaControls(0) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(7) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(8) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(9) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(10) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 22 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 11 bCSourceID 40 bmControls 0x0000 iTerminal 7 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 4 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 12 bmChannelConfig 0x00000000 iChannelNames 15 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x01d4 1x 468 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0008 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0004 1x 4 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 22 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 35 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 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0208 1x 520 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0008 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 14 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 13 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 bRefresh 0 bSynchAddress 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 1 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 bRefresh 0 bSynchAddress 0 MIDIStreaming Endpoint Descriptor: bLength 5 bDescriptorType 37 bDescriptorSubtype 1 (GENERAL) bNumEmbMIDIJack 1 baAssocJackID( 0) 3 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 12 Device Firmware Upgrade Interface Descriptor: bLength 9 bDescriptorType 33 bmAttributes 7 Will Not Detach Manifestation Tolerant Upload Supported Download Supported wDetachTimeout 250 milliseconds wTransferSize 64 bytes bcdDFUVersion 1.10 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- BEHRINGER UMC1820 at usb-0000:01:00.0-1.1, high speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S24_3LE Channels: 12 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 44100, 48000, 88200, 96000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR FLC FRC RC SL SR TC Sync Endpoint: 0x81 (1 IN) Sync EP Interface: 1 Sync EP Altset: 1 Implicit Feedback Mode: No Capture: Status: Stop Interface 2 Altset 1 Format: S32_LE Channels: 10 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 44100, 48000, 88200, 96000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR FLC FRC RC SL --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x13970503, ctrlif=3, ctlerr=0 Card: BEHRINGER UMC1820 at usb-0000:01:00.0-1.1, high speed USB Mixer: usb_id=0x13970503, ctrlif=0, ctlerr=0 Card: BEHRINGER UMC1820 at usb-0000:01:00.0-1.1, high speed Unit: 10 Control: name="UMC1820 Output Playback Volume", index=1 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Volume", index=0 Info: id=10, control=2, cmask=0xfff, channels=12, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Switch", index=1 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Switch", index=0 Info: id=10, control=1, cmask=0xfff, channels=12, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Volume", index=1 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 11 Control: name="Mic Capture Volume", index=0 Info: id=11, control=2, cmask=0x3ff, channels=10, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 11 Control: name="Mic Capture Switch", index=1 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Switch", index=0 Info: id=11, control=1, cmask=0x3ff, channels=10, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 40 Control: name="UMC1820 Clock Selector Clock Source", index=0 Info: id=40, control=1, cmask=0x0, channels=1, type="U8" Volume: min=1, max=2, dBmin=0, dBmax=0 Unit: 41 Control: name="Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 42 Control: name="Optical In SPDIF Validity", index=0 Info: id=42, 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 May 1 20:41 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 11 May 1 20:41 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 5 May 1 20:41 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 7 May 1 20:41 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 10 May 1 20:41 /dev/snd/midiC1D0 crw-rw---- 1 root audio 116, 2 May 1 20:41 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 9 May 1 20:41 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 8 May 1 20:41 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 4 May 1 20:41 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 6 May 1 20:41 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 1 May 1 20:41 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 1 20:41 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 1 20:41 . drwxr-xr-x 4 root root 320 May 1 20:41 .. lrwxrwxrwx 1 root root 12 May 1 20:41 usb-BEHRINGER_UMC1820_7800C5D4-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 120 May 1 20:41 . drwxr-xr-x 4 root root 320 May 1 20:41 .. lrwxrwxrwx 1 root root 12 May 1 20:41 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.1:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 1 20:41 platform-fe00b840.mailbox -> ../controlC0 lrwxrwxrwx 1 root root 12 May 1 20:41 platform-fef00700.hdmi -> ../controlC2 lrwxrwxrwx 1 root root 12 May 1 20:41 platform-fef05700.hdmi -> ../controlC3 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: 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 1: UMC1820 [UMC1820], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 3: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: UMC1820 [UMC1820], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card sysdefault:0 '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 0 [96%] [0.00dB] [on] !!-------Mixer controls for card UMC1820 Card sysdefault:1 'UMC1820'/'BEHRINGER UMC1820 at usb-0000:01:00.0-1.1, high speed' Mixer name : 'USB Mixer' Components : 'USB1397:0503' Controls : 13 Simple ctrls : 5 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? Limits: Capture 0 - 127 Front Left: Capture 127 [100%] [0.00dB] [on] Front Right: Capture 127 [100%] [0.00dB] [on] Rear Left: Capture 127 [100%] [0.00dB] [on] Rear Right: Capture 127 [100%] [0.00dB] [on] Front Center: Capture 127 [100%] [0.00dB] [on] Woofer: Capture 127 [100%] [0.00dB] [on] Side Left: Capture 127 [100%] [0.00dB] [on] Side Right: Capture 127 [100%] [0.00dB] [on] Rear Center: Capture 127 [100%] [0.00dB] [on] ?: Capture 127 [100%] [0.00dB] [on] Simple mixer control 'Mic',1 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 127 Mono: Capture 127 [100%] [0.00dB] [on] Simple mixer control 'UMC1820 Clock Selector Clock Source',0 Capabilities: enum Items: 'Internal Clock' 'Optical In SPDIF' Item0: 'Internal Clock' Simple mixer control 'UMC1820 Output',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? - ? - ? Limits: Playback 0 - 127 Mono: Front Left: Playback 127 [100%] [0.00dB] [on] Front Right: Playback 127 [100%] [0.00dB] [on] Rear Left: Playback 127 [100%] [0.00dB] [on] Rear Right: Playback 127 [100%] [0.00dB] [on] Front Center: Playback 127 [100%] [0.00dB] [on] Woofer: Playback 127 [100%] [0.00dB] [on] Side Left: Playback 127 [100%] [0.00dB] [on] Side Right: Playback 127 [100%] [0.00dB] [on] Rear Center: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] Simple mixer control 'UMC1820 Output',1 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 127 Mono: Playback 127 [100%] [0.00dB] [on] !!-------Mixer controls for card vc4hdmi0 Card sysdefault:2 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card sysdefault:3 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.UMC1820 { control.1 { 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 value.8 0 value.9 0 value.10 0 value.11 0 comment { access 'read volatile' type INTEGER count 12 range '0 - 36' } } control.2 { iface PCM name 'Capture 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 value.8 0 value.9 0 comment { access 'read volatile' type INTEGER count 10 range '0 - 36' } } control.3 { iface MIXER name 'UMC1820 Output Playback Switch' value.0 true value.1 true value.2 true value.3 true value.4 true value.5 true value.6 true value.7 true value.8 true value.9 true value.10 true value.11 true comment { access 'read write' type BOOLEAN count 12 } } control.4 { iface MIXER name 'UMC1820 Output Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'UMC1820 Output Playback Volume' value.0 127 value.1 127 value.2 127 value.3 127 value.4 127 value.5 127 value.6 127 value.7 127 value.8 127 value.9 127 value.10 127 value.11 127 comment { access 'read write' type INTEGER count 12 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 dbvalue.1 0 dbvalue.2 0 dbvalue.3 0 dbvalue.4 0 dbvalue.5 0 dbvalue.6 0 dbvalue.7 0 dbvalue.8 0 dbvalue.9 0 dbvalue.10 0 dbvalue.11 0 } } control.6 { iface MIXER name 'UMC1820 Output Playback Volume' index 1 value 127 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 } } control.7 { iface CARD name 'Internal Clock Validity' value true comment { access read type BOOLEAN count 1 } } control.8 { iface CARD name 'Optical In SPDIF Validity' value false comment { access read type BOOLEAN count 1 } } control.9 { iface MIXER name 'UMC1820 Clock Selector Clock Source' value 'Internal Clock' comment { access 'read write' type ENUMERATED count 1 item.0 'Internal Clock' item.1 'Optical In SPDIF' } } control.10 { iface MIXER name 'Mic Capture Switch' value.0 true value.1 true value.2 true value.3 true value.4 true value.5 true value.6 true value.7 true value.8 true value.9 true comment { access 'read write' type BOOLEAN count 10 } } control.11 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Mic Capture Volume' value.0 127 value.1 127 value.2 127 value.3 127 value.4 127 value.5 127 value.6 127 value.7 127 value.8 127 value.9 127 comment { access 'read write' type INTEGER count 10 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 dbvalue.1 0 dbvalue.2 0 dbvalue.3 0 dbvalue.4 0 dbvalue.5 0 dbvalue.6 0 dbvalue.7 0 dbvalue.8 0 dbvalue.9 0 } } control.13 { iface MIXER name 'Mic Capture Volume' index 1 value 127 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 } } } 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 } } } --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 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 ip_tables ipv6 libaes mc nvmem_rmem raspberrypi_gpiomem raspberrypi_hwmon rfkill rpi_hevc_dec snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib 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 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:A6:32:0D:29:CE vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=26af2dff-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=LV [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 3.771710] mc: Linux media interface: v0.10 [ 3.833847] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.842907] bcm2835-audio bcm2835-audio: card created with 8 channels [ 3.856565] brcmstb-i2c fef04500.i2c: @97500hz registered in polling mode -- [ 4.268776] usbcore: registered new interface driver brcmfmac [ 4.270521] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc/fef00700.hdmi/sound/card2/input1 [ 4.270927] vc4-drm gpu: bound fef00700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 4.310849] input: vc4-hdmi-1 as /devices/platform/soc/fef05700.hdmi/rc/rc1/input2 [ 4.318891] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc/fef05700.hdmi/sound/card3/input3 [ 4.320753] vc4-drm gpu: bound fef05700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 4.579082] Bluetooth: hci0: BCM4345C0 'brcm/BCM4345C0.raspberrypi,4-model-b.hcd' Patch [ 4.735065] usbcore: registered new interface driver snd-usb-audio [ 5.076445] Adding 524284k swap on /var/swap. Priority:-2 extents:1 across:524284k SS !!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