!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Thu Feb 5 03:38:04 UTC 2026 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.12.47 rpt-rpi-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.47 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 0) snd_aloop (card 1) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [TosLink ]: USB-Audio - MCHStreamer I2S TosLink miniDSP MCHStreamer I2S TosLink at usb-0000:01:00.0-1.2, high speed 1 [Loopback ]: Loopback - Loopback Loopback 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_usb_audio: index=0 snd_aloop: index=1 pcm_substreams=8 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_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 : 0,-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_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) !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/snd_aloop Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 2752:0019 miniDSP MCHStreamer I2S TosLink Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x2752 idProduct 0x0019 bcdDevice 1.09 iManufacturer 1 miniDSP iProduct 12 MCHStreamer I2S TosLink iSerial 2 00001 bNumConfigurations 2 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x01dd bNumInterfaces 5 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 100mA 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 12 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 8 wTotalLength 0x00c7 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 0x05 Clock Frequency Control (read-only) 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 10 bmChannelConfig 0x00000000 iChannelNames 14 bmControls 0x0000 iTerminal 12 AudioControl Interface Descriptor: bLength 50 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) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 20 wTerminalType 0x0605 SPDIF interface bAssocTerminal 0 bSourceID 10 bCSourceID 40 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0605 SPDIF interface bAssocTerminal 0 bCSourceID 40 bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 24 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 12 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 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 12 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 14 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 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x03e8 1x 1000 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 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 14 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x03e8 1x 1000 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 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 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 24 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 0x81 EP 1 IN bmAttributes 37 Transfer Type Isochronous Synch Type Asynchronous Usage Type Implicit feedback Data wMaxPacketSize 0x03e8 1x 1000 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 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 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 24 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 37 Transfer Type Isochronous Synch Type Asynchronous Usage Type Implicit feedback Data wMaxPacketSize 0x03e8 1x 1000 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 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 11 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 28 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x01dd bNumInterfaces 5 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 100mA 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 12 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 8 wTotalLength 0x00c7 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 0x05 Clock Frequency Control (read-only) 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 10 bmChannelConfig 0x00000000 iChannelNames 14 bmControls 0x0000 iTerminal 12 AudioControl Interface Descriptor: bLength 50 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) iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 20 wTerminalType 0x0605 SPDIF interface bAssocTerminal 0 bSourceID 10 bCSourceID 40 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0605 SPDIF interface bAssocTerminal 0 bCSourceID 40 bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 24 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 12 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 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 12 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 14 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 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x03e8 1x 1000 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 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 10 bmChannelConfig 0x00000000 iChannelNames 14 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x03e8 1x 1000 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 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 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 24 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 0x81 EP 1 IN bmAttributes 37 Transfer Type Isochronous Synch Type Asynchronous Usage Type Implicit feedback Data wMaxPacketSize 0x03e8 1x 1000 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 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 12 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 24 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 37 Transfer Type Isochronous Synch Type Asynchronous Usage Type Implicit feedback Data wMaxPacketSize 0x03e8 1x 1000 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 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 11 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 28 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- miniDSP MCHStreamer I2S TosLink at usb-0000:01:00.0-1.2, high speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S32_LE Channels: 10 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR FLC FRC RC SL Sync Endpoint: 0x81 (1 IN) Sync EP Interface: 2 Sync EP Altset: 1 Implicit Feedback Mode: Yes Interface 1 Altset 2 Format: S32_LE Channels: 10 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR FC LFE RL RR FLC FRC RC SL Sync Endpoint: 0x81 (1 IN) Sync EP Interface: 2 Sync EP Altset: 2 Implicit Feedback Mode: Yes Capture: Status: Stop Interface 2 Altset 1 Format: S32_LE Channels: 10 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR FLC FRC RC SL Interface 2 Altset 2 Format: S32_LE Channels: 10 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR FC LFE RL RR FLC FRC RC SL --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x27520019, ctrlif=0, ctlerr=0 Card: miniDSP MCHStreamer I2S TosLink at usb-0000:01:00.0-1.2, high speed Unit: 10 Control: name="MCHStreamer I2S TosLink 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="MCHStreamer I2S TosLink Playback Volume", index=0 Info: id=10, control=2, cmask=0x3ff, channels=10, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 10 Control: name="MCHStreamer I2S TosLink 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="MCHStreamer I2S TosLink Playback Switch", index=0 Info: id=10, control=1, cmask=0x3ff, channels=10, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="IEC958 In 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="IEC958 In 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="IEC958 In 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="IEC958 In 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="miniDSP 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="miniDSP 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="miniDSP TOSLINK Clock 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, 9 Feb 4 11:33 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Feb 4 11:33 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Feb 4 11:33 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 7 Feb 4 19:04 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Feb 4 11:33 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Feb 4 11:33 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 5 Feb 4 11:33 /dev/snd/pcmC1D1c crw-rw---- 1 root audio 116, 4 Feb 4 11:33 /dev/snd/pcmC1D1p crw-rw---- 1 root audio 116, 1 Feb 4 11:33 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 4 11:33 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Feb 4 11:33 . drwxr-xr-x 4 root root 280 Feb 4 11:33 .. lrwxrwxrwx 1 root root 12 Feb 4 11:33 usb-miniDSP_MCHStreamer_I2S_TosLink_00001-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Feb 4 11:33 . drwxr-xr-x 4 root root 280 Feb 4 11:33 .. lrwxrwxrwx 1 root root 12 Feb 4 11:33 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0 -> ../controlC0 lrwxrwxrwx 1 root root 12 Feb 4 11:33 platform-snd_aloop.0 -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # ========================= # Base hardware device # ========================= pcm.mch { type hw card TosLink device 0 } ctl.mch { type hw card TosLink } # ========================================================= # ----------- TRANSMIT AUDIO (Playback paths) ------------- # Channels: 0-7 used as 4 stereo pairs # ========================================================= pcm.tx0_raw { type route slave.pcm mch slave.channels 10 ttable.0.0 1 ttable.1.1 1 } pcm.tx1_raw { type route slave.pcm mch slave.channels 10 ttable.2.0 1 ttable.3.1 1 } pcm.tx2_raw { type route slave.pcm mch slave.channels 10 ttable.4.0 1 ttable.5.1 1 } pcm.tx3_raw { type route slave.pcm mch slave.channels 10 ttable.6.0 1 ttable.7.1 1 } # ---- Software mixing so multiple apps can transmit ---- pcm.tx0 { type plug slave.pcm "dmix:TX0" } pcm.tx1 { type plug slave.pcm "dmix:TX1" } pcm.tx2 { type plug slave.pcm "dmix:TX2" } pcm.tx3 { type plug slave.pcm "dmix:TX3" } pcm.dmix:TX0 { type dmix ipc_key 2001 slave.pcm tx0_raw } pcm.dmix:TX1 { type dmix ipc_key 2002 slave.pcm tx1_raw } pcm.dmix:TX2 { type dmix ipc_key 2003 slave.pcm tx2_raw } pcm.dmix:TX3 { type dmix ipc_key 2004 slave.pcm tx3_raw } # ========================================================= # ----------- RECEIVE AUDIO (Capture paths) --------------- # ========================================================= pcm.rx0_raw { type route slave.pcm mch slave.channels 10 ttable.0.0 1 ttable.1.1 1 } pcm.rx1_raw { type route slave.pcm mch slave.channels 10 ttable.2.0 1 ttable.3.1 1 } pcm.rx2_raw { type route slave.pcm mch slave.channels 10 ttable.4.0 1 ttable.5.1 1 } pcm.rx3_raw { type route slave.pcm mch slave.channels 10 ttable.6.0 1 ttable.7.1 1 } # ---- Allow multiple programs to read each receiver ---- pcm.rx0 { type plug slave.pcm "dsnoop:RX0" } pcm.rx1 { type plug slave.pcm "dsnoop:RX1" } pcm.rx2 { type plug slave.pcm "dsnoop:RX2" } pcm.rx3 { type plug slave.pcm "dsnoop:RX3" } pcm.dsnoop:RX0 { type dsnoop ipc_key 3001 slave.pcm rx0_raw } pcm.dsnoop:RX1 { type dsnoop ipc_key 3002 slave.pcm rx1_raw } pcm.dsnoop:RX2 { type dsnoop ipc_key 3003 slave.pcm rx2_raw } pcm.dsnoop:RX3 { type dsnoop ipc_key 3004 slave.pcm rx3_raw } # ========================================================= # Optional: Set a safe system default (Repeater 1) # ========================================================= pcm.!default { type plug slave.pcm tx0 } ctl.!default { type hw card TosLink } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: TosLink [MCHStreamer I2S TosLink], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: 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 1: 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 ARECORD **** List of CAPTURE Hardware Devices **** card 0: TosLink [MCHStreamer I2S TosLink], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: 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 1: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 7/8 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 !!Amixer output !!------------- !!-------Mixer controls for card TosLink Card sysdefault:0 'TosLink'/'miniDSP MCHStreamer I2S TosLink at usb-0000:01:00.0-1.2, high speed' Mixer name : 'USB Mixer' Components : 'USB2752:0019' Controls : 13 Simple ctrls : 5 Simple mixer control 'IEC958 In',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 123 [97%] [-4.00dB] [on] Front Right: Capture 123 [97%] [-4.00dB] [on] Rear Left: Capture 122 [96%] [-5.00dB] [on] Rear Right: Capture 122 [96%] [-5.00dB] [on] Front Center: Capture 122 [96%] [-5.00dB] [on] Woofer: Capture 123 [97%] [-4.00dB] [on] Side Left: Capture 123 [97%] [-4.00dB] [on] Side Right: Capture 123 [97%] [-4.00dB] [on] Rear Center: Capture 127 [100%] [0.00dB] [on] ?: Capture 127 [100%] [0.00dB] [on] Simple mixer control 'IEC958 In',1 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 127 Mono: Capture 123 [97%] [-4.00dB] [on] Simple mixer control 'MCHStreamer I2S TosLink',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 122 [96%] [-5.00dB] [on] Front Right: Playback 122 [96%] [-5.00dB] [on] Rear Left: Playback 122 [96%] [-5.00dB] [on] Rear Right: Playback 122 [96%] [-5.00dB] [on] Front Center: Playback 122 [96%] [-5.00dB] [on] Woofer: Playback 122 [96%] [-5.00dB] [on] Side Left: Playback 122 [96%] [-5.00dB] [on] Side Right: Playback 122 [96%] [-5.00dB] [on] Rear Center: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] Simple mixer control 'MCHStreamer I2S TosLink',1 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 127 Mono: Playback 122 [96%] [-5.00dB] [on] Simple mixer control 'miniDSP Clock Selector Clock Source',0 Capabilities: enum Items: 'miniDSP Internal Clock' 'miniDSP TOSLINK Clock' Item0: 'miniDSP Internal Clock' !!-------Mixer controls for card Loopback Card sysdefault:1 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 112 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.TosLink { 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 comment { access 'read volatile' type INTEGER count 10 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 'MCHStreamer I2S TosLink 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 comment { access 'read write' type BOOLEAN count 10 } } control.4 { iface MIXER name 'MCHStreamer I2S TosLink Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'MCHStreamer I2S TosLink Playback Volume' value.0 122 value.1 122 value.2 122 value.3 122 value.4 122 value.5 122 value.6 122 value.7 122 value.8 127 value.9 127 comment { access 'read write' type INTEGER count 10 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -500 dbvalue.1 -500 dbvalue.2 -500 dbvalue.3 -500 dbvalue.4 -500 dbvalue.5 -500 dbvalue.6 -500 dbvalue.7 -500 dbvalue.8 0 dbvalue.9 0 } } control.6 { iface MIXER name 'MCHStreamer I2S TosLink Playback Volume' index 1 value 122 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -500 } } control.7 { iface CARD name 'miniDSP Internal Clock Validity' value true comment { access read type BOOLEAN count 1 } } control.8 { iface CARD name 'miniDSP TOSLINK Clock Validity' value false comment { access read type BOOLEAN count 1 } } control.9 { iface MIXER name 'miniDSP Clock Selector Clock Source' value 'miniDSP Internal Clock' comment { access 'read write' type ENUMERATED count 1 item.0 'miniDSP Internal Clock' item.1 'miniDSP TOSLINK Clock' } } control.10 { iface MIXER name 'IEC958 In 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 'IEC958 In Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'IEC958 In Capture Volume' value.0 123 value.1 123 value.2 122 value.3 122 value.4 122 value.5 123 value.6 123 value.7 123 value.8 127 value.9 127 comment { access 'read write' type INTEGER count 10 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -400 dbvalue.1 -400 dbvalue.2 -500 dbvalue.3 -500 dbvalue.4 -500 dbvalue.5 -400 dbvalue.6 -400 dbvalue.7 -400 dbvalue.8 0 dbvalue.9 0 } } control.13 { iface MIXER name 'IEC958 In Capture Volume' index 1 value 123 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -400 } } } 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 } } } --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_bcm2835 i2c_brcmstb i2c_dev industrialio industrialio_triggered_buffer ip_tables ipv6 kfifo_buf libaes mc nf_conntrack nf_conntrack_ftp nf_conntrack_h323 nf_conntrack_irc nf_conntrack_pptp nf_conntrack_sip nf_conntrack_tftp nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_nat_ftp nf_nat_h323 nf_nat_irc nf_nat_pptp nf_nat_sip nf_nat_tftp nf_reject_ipv4 nf_tables nfnetlink nft_chain_nat nft_ct nft_masq nft_reject nft_reject_ipv4 nvmem_rmem pinctrl_mcp23s08 pinctrl_mcp23s08_i2c raspberrypi_gpiomem raspberrypi_hwmon regmap_i2c rfkill rpi_hevc_dec sc16is7xx sc16is7xx_i2c snd snd_aloop snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_bcm2835_i2s snd_soc_core snd_soc_fe_pi_audio snd_soc_hdmi_codec snd_soc_sgtl5000 snd_timer snd_usb_audio snd_usbmidi_lib ti_ads1015 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=1 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=E4:5F:01:C4:17:43 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=tty1 root=PARTUUID=f30ba450-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=US [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 3.880378] input: vc4-hdmi-0 as /devices/platform/soc/fef00700.hdmi/rc/rc0/input0 [ 3.880566] vc4_hdmi fef00700.hdmi: 'dmas' DT property is missing or empty, no HDMI audio [ 3.880615] vc4-drm gpu: bound fef00700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 3.892851] input: vc4-hdmi-1 as /devices/platform/soc/fef05700.hdmi/rc/rc1/input1 [ 3.893085] vc4_hdmi fef05700.hdmi: 'dmas' DT property is missing or empty, no HDMI audio [ 3.893163] vc4-drm gpu: bound fef05700.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 4.246118] Bluetooth: hci0: BCM4345C0 'brcm/BCM4345C0.raspberrypi,4-model-b.hcd' Patch [ 4.332067] usbcore: registered new interface driver snd-usb-audio [ 4.873473] Adding 524284k swap on /var/swap. Priority:-2 extents:10 across:5144576k SS -- [ 10.207489] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 14.559289] platform soc:sound: deferred probe pending: (reason unknown) !!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 armhf Utilities for configuring and using ALSA