!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Mon Aug 10 20:31:15 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.6 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 1:6.18.39-1 rpt1 (2026-07-29) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.18.39 rpt-rpi-v8 Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_soc_rpi_simple_soundcard (card 0) snd_usb_audio (card 1) snd_aloop (card 11) snd_aloop (card 12) snd_aloop (card 13) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [sndrpirpidac ]: RPi-simple - snd_rpi_rpi_dac snd_rpi_rpi_dac 1 [DSPi ]: USB-Audio - Weeb Labs DSPi GitHub.com/WeebLabs Weeb Labs DSPi at usb-0000:01:00.0-1.4, full speed 11 [Loopback ]: Loopback - Loopback Loopback 1 12 [Loopback_1 ]: Loopback - Loopback Loopback 2 13 [Loopback_2 ]: Loopback - Loopback Loopback 3 !!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_aloop: enable=1,1,1 index=11,12,13 pcm_substreams=4,4,4 snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: snd_soc_rpi_simple_soundcard * : !!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 midi2_enable : Y midi2_ump_probe : 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 : (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) 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,Y,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 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 : 11,12,13,-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 : 4,4,4,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 timer_source : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) !!Module: snd_aloop enable : Y,Y,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 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 : 11,12,13,-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 : 4,4,4,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 timer_source : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) !!Module: snd_aloop enable : Y,Y,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 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 : 11,12,13,-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 : 4,4,4,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 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/platform/drivers/snd-rpi-simple Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card11 Driver: /sys/bus/platform/drivers/snd_aloop Tree: !!Card: /sys/class/sound/card12 Driver: /sys/bus/platform/drivers/snd_aloop Tree: !!Card: /sys/class/sound/card13 Driver: /sys/bus/platform/drivers/snd_aloop Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 2e8b:feaa GitHub.com/WeebLabs Weeb Labs DSPi Negotiated speed: Full Speed (12Mbps) Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.10 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 [unknown] bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x2e8b GitHub.com/WeebLabs idProduct 0xfeaa Weeb Labs DSPi bcdDevice 2.03 iManufacturer 1 GitHub.com/WeebLabs iProduct 2 Weeb Labs DSPi iSerial 3 49C667B8EF102F6C bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0171 bNumInterfaces 3 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 100mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 1 Control Device bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 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 0x002e bInCollection 1 baInterfaceNr(0) 1 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 8 wChannelConfig 0x063f Left Front (L) Right Front (R) Center Front (C) Low Frequency Enhancement (LFE) Left Surround (LS) Right Surround (RS) Side Left (SL) Side Right (SR) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 1 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control bmaControls(1) 0x00 bmaControls(2) 0x00 bmaControls(3) 0x00 bmaControls(4) 0x00 bmaControls(5) 0x00 bmaControls(6) 0x00 bmaControls(7) 0x00 bmaControls(8) 0x00 iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 2 iTerminal 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 3 Discrete tSamFreq[ 0] 44100 tSamFreq[ 1] 48000 tSamFreq[ 2] 96000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0314 1x 788 bytes bInterval 1 bRefresh 0 bSynchAddress 130 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 bRefresh 2 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 3 bBitResolution 24 bSamFreqType 3 Discrete tSamFreq[ 0] 44100 tSamFreq[ 1] 48000 tSamFreq[ 2] 96000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0314 1x 788 bytes bInterval 1 bRefresh 0 bSynchAddress 130 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 bRefresh 2 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 4 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0314 1x 788 bytes bInterval 1 bRefresh 0 bSynchAddress 130 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 bRefresh 2 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 4 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 6 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0314 1x 788 bytes bInterval 1 bRefresh 0 bSynchAddress 130 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 bRefresh 2 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 5 bNumEndpoints 2 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 8 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0314 1x 788 bytes bInterval 1 bRefresh 0 bSynchAddress 130 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 bRefresh 2 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 [unknown] bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 0 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- GitHub.com/WeebLabs Weeb Labs DSPi at usb-0000:01:00.0-1.4, full speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 44100, 48000, 96000 Bits: 16 Channel map: FL FR Sync Endpoint: 0x82 (2 IN) Sync EP Interface: 1 Sync EP Altset: 1 Implicit Feedback Mode: No Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 44100, 48000, 96000 Bits: 24 Channel map: FL FR Sync Endpoint: 0x82 (2 IN) Sync EP Interface: 1 Sync EP Altset: 2 Implicit Feedback Mode: No Interface 1 Altset 3 Format: S16_LE Channels: 4 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 48000 Bits: 16 Channel map: FL FR FC LFE Sync Endpoint: 0x82 (2 IN) Sync EP Interface: 1 Sync EP Altset: 3 Implicit Feedback Mode: No Interface 1 Altset 4 Format: S16_LE Channels: 6 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 48000 Bits: 16 Channel map: FL FR FC LFE RL RR Sync Endpoint: 0x82 (2 IN) Sync EP Interface: 1 Sync EP Altset: 4 Implicit Feedback Mode: No Interface 1 Altset 5 Format: S16_LE Channels: 8 Endpoint: 0x01 (1 OUT) (ASYNC) Rates: 48000 Bits: 16 Channel map: FL FR FC LFE RL RR SL SR Sync Endpoint: 0x82 (2 IN) Sync EP Interface: 1 Sync EP Altset: 5 Implicit Feedback Mode: No --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x2e8bfeaa, ctrlif=0, ctlerr=0 Card: GitHub.com/WeebLabs Weeb Labs DSPi at usb-0000:01:00.0-1.4, full speed Unit: 2 Control: name="PCM Playback Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-15360, max=0, dBmin=-6000, dBmax=0 Unit: 2 Control: name="PCM Playback Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 18 Aug 10 21:58 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 20 Aug 10 21:58 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 6 Aug 10 21:58 /dev/snd/controlC11 crw-rw---- 1 root audio 116, 11 Aug 10 21:58 /dev/snd/controlC12 crw-rw---- 1 root audio 116, 16 Aug 10 21:58 /dev/snd/controlC13 crw-rw---- 1 root audio 116, 17 Aug 10 21:58 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Aug 10 21:58 /dev/snd/pcmC11D0c crw-rw---- 1 root audio 116, 2 Aug 10 21:58 /dev/snd/pcmC11D0p crw-rw---- 1 root audio 116, 5 Aug 10 21:58 /dev/snd/pcmC11D1c crw-rw---- 1 root audio 116, 4 Aug 10 21:58 /dev/snd/pcmC11D1p crw-rw---- 1 root audio 116, 8 Aug 10 21:58 /dev/snd/pcmC12D0c crw-rw---- 1 root audio 116, 7 Aug 10 21:59 /dev/snd/pcmC12D0p crw-rw---- 1 root audio 116, 10 Aug 10 21:58 /dev/snd/pcmC12D1c crw-rw---- 1 root audio 116, 9 Aug 10 21:58 /dev/snd/pcmC12D1p crw-rw---- 1 root audio 116, 13 Aug 10 21:58 /dev/snd/pcmC13D0c crw-rw---- 1 root audio 116, 12 Aug 10 21:58 /dev/snd/pcmC13D0p crw-rw---- 1 root audio 116, 15 Aug 10 21:58 /dev/snd/pcmC13D1c crw-rw---- 1 root audio 116, 14 Aug 10 21:58 /dev/snd/pcmC13D1p crw-rw---- 1 root audio 116, 19 Aug 10 21:59 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Aug 10 21:58 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 10 21:58 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 10 21:58 . drwxr-xr-x 4 root root 500 Aug 10 21:58 .. lrwxrwxrwx 1 root root 12 Aug 10 21:58 usb-GitHub.com_WeebLabs_Weeb_Labs_DSPi_49C667B8EF102F6C-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 160 Aug 10 21:58 . drwxr-xr-x 4 root root 500 Aug 10 21:58 .. lrwxrwxrwx 1 root root 12 Aug 10 21:58 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.4:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Aug 10 21:58 platform-fd500000.pcie-pci-0000:01:00.0-usbv2-0:1.4:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 13 Aug 10 21:58 platform-snd_aloop.0 -> ../controlC11 lrwxrwxrwx 1 root root 13 Aug 10 21:58 platform-snd_aloop.1 -> ../controlC12 lrwxrwxrwx 1 root root 13 Aug 10 21:58 platform-snd_aloop.2 -> ../controlC13 lrwxrwxrwx 1 root root 12 Aug 10 21:58 platform-soc:sound -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.InterpolatedOutput { type plug slave { pcm "hw:1,0" format S24_LE rate 48000 } } pcm.!default InterpolatedOutput !!System wide config file (/etc/asound.conf) defaults.pcm.rate_converter "speexrate_medium" pcm.Duplicate { type plug slave.pcm { type multi slaves { a { pcm "hw:12,0,0" channels 2 } b { pcm "hw:12,0,1" channels 2 } c { pcm "hw:12,0,2" channels 2 } d { pcm "hw:DSPi,0" channels 2 } } bindings [ { slave a channel 0 } { slave a channel 1 } { slave b channel 0 } { slave b channel 1 } { slave c channel 0 } { slave c channel 1 } { slave d channel 0 } { slave d channel 1 } ] } ttable [ [ 1 0 1 0 1 0 1 0 ] [ 0 1 0 1 0 1 0 1 ] ] } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: sndrpirpidac [snd_rpi_rpi_dac], device 0: RPi-DAC HiFi pcm1794a-hifi-0 [RPi-DAC HiFi pcm1794a-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: DSPi [Weeb Labs DSPi], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 card 11: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 11: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 12: Loopback_1 [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 1/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 12: Loopback_1 [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 13: Loopback_2 [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 13: Loopback_2 [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 ARECORD **** List of CAPTURE Hardware Devices **** card 11: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 11: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 12: Loopback_1 [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 12: Loopback_1 [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 3/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 13: Loopback_2 [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 13: Loopback_2 [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 !!Amixer output !!------------- !!-------Mixer controls for card sndrpirpidac Card sysdefault:0 'sndrpirpidac'/'snd_rpi_rpi_dac' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!-------Mixer controls for card DSPi Card sysdefault:1 'DSPi'/'GitHub.com/WeebLabs Weeb Labs DSPi at usb-0000:01:00.0-1.4, full speed' Mixer name : 'USB Mixer' Components : 'USB2e8b:feaa' Controls : 3 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 60 Mono: Playback 60 [100%] [0.00dB] [on] !!-------Mixer controls for card Loopback Card sysdefault:11 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 56 Simple ctrls : 0 !!-------Mixer controls for card Loopback_1 Card sysdefault:12 'Loopback_1'/'Loopback 2' Mixer name : 'Loopback Mixer' Components : '' Controls : 56 Simple ctrls : 0 !!-------Mixer controls for card Loopback_2 Card sysdefault:13 'Loopback_2'/'Loopback 3' Mixer name : 'Loopback Mixer' Components : '' Controls : 56 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.sndrpirpidac { control { } } state.DSPi { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Volume' value 60 comment { access 'read write' type INTEGER count 1 range '0 - 60' dbmin -6000 dbmax 0 dbvalue.0 0 } } } 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 device 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.30 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.31 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.32 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.33 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.34 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.35 { 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.36 { 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.37 { iface PCM device 1 subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.38 { iface PCM device 1 subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.39 { 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.40 { 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.41 { 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.42 { 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.43 { 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.44 { iface PCM device 1 subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface PCM device 1 subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.46 { 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.47 { 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.48 { 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.49 { 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.50 { 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.51 { iface PCM device 1 subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.52 { iface PCM device 1 subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.53 { 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.54 { 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.55 { 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.56 { 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 } } } state.Loopback_1 { 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 device 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.30 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.31 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.32 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.33 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.34 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.35 { 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.36 { 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.37 { iface PCM device 1 subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.38 { iface PCM device 1 subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.39 { 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.40 { 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.41 { 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.42 { 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.43 { 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.44 { iface PCM device 1 subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface PCM device 1 subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.46 { 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.47 { 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.48 { 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.49 { 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.50 { 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.51 { iface PCM device 1 subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.52 { iface PCM device 1 subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.53 { 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.54 { 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.55 { 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.56 { 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 } } } state.Loopback_2 { 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 device 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.30 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.31 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.32 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.33 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.34 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.35 { 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.36 { 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.37 { iface PCM device 1 subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.38 { iface PCM device 1 subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.39 { 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.40 { 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.41 { 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.42 { 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.43 { 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.44 { iface PCM device 1 subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface PCM device 1 subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.46 { 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.47 { 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.48 { 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.49 { 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.50 { 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.51 { iface PCM device 1 subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.52 { iface PCM device 1 subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.53 { 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.54 { 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.55 { 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.56 { 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 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmfmac_cyw brcmutil btbcm cfg80211 cmac drm drm_panel_orientation_quirks ecc ecdh_generic fuse hci_uart ipv6 libsha1 lz4_compress mc nfnetlink nvmem_rmem raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill rpi_hevc_dec sch_fq_codel sg snd snd_aloop snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_bcm2835_i2s snd_soc_core snd_soc_pcm1794a snd_soc_rpi_simple_soundcard snd_timer snd_ump snd_usb_audio snd_usbmidi_lib v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev zram !!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=32 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_hdmi=0 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 numa=fake=1 system_heap.max_order=0 iommu_dma_numa_policy=interleave smsc95xx.macaddr=DC:A6:32:02:08:86 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=979c246c-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=IT [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 11.188397] rpi-gpiomem fe200000.gpiomem: initialised 1 regions as /dev/gpiomem [ 11.200395] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 11.255384] mc: Linux media interface: v0.10 -- [ 12.263459] Bluetooth: hci0: BCM4345C0 'brcm/BCM4345C0.raspberrypi,4-model-b.hcd' Patch [ 12.283703] usbcore: registered new interface driver snd-usb-audio [ 12.339600] brcmfmac: F1 signature read @0x18000000=0x15264345 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.14-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.14-1 rpt1 arm64 Utilities for configuring and using ALSA