!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Fri Mar 21 07:38:40 UTC 2025 !!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: 6.6.74 rpt-rpi-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.6.74 rpt-rpi-v7 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 [Set ]: USB-Audio - C-Media USB Headphone Set C-Media USB Headphone Set at usb-3f980000.usb-1.2, full 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 004: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0d8c C-Media Electronics, Inc. idProduct 0x000c Audio Adapter bcdDevice 1.00 iManufacturer 0 iProduct 1 C-Media USB Headphone Set iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x00e0 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA 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 10 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0047 bInCollection 2 baInterfaceNr(0) 1 baInterfaceNr(1) 2 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0001 Left Front (L) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 6 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 9 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 7 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 10 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 9 bSourceID 1 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 10 bSourceID 2 bControlSize 1 bmaControls(0) 0x43 Mute Control Volume Control Automatic Gain Control bmaControls(1) 0x00 iFeature 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 1 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 14 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 48000 tSamFreq[ 1] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 1 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 1 Milliseconds wLockDelay 0x0001 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 7 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 14 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 48000 tSamFreq[ 1] 44100 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0064 1x 100 bytes bInterval 1 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.00 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 50 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 0x0004 1x 4 bytes bInterval 32 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- C-Media USB Headphone Set at usb-3f980000.usb-1.2, full speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x01 (1 OUT) (ADAPTIVE) Rates: 48000, 44100 Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 1 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 48000, 44100 Bits: 16 Channel map: MONO --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c000c, ctrlif=0, ctlerr=0 Card: C-Media USB Headphone Set at usb-3f980000.usb-1.2, full speed Unit: 9 Control: name="PCM Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6 Unit: 9 Control: name="PCM Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Auto Gain Control", index=0 Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=6096, dBmin=0, dBmax=2381 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, 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, 9 Mar 21 06:40 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Mar 21 06:40 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Mar 21 06:40 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 7 Mar 21 06:40 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Mar 21 06:40 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Mar 21 06:40 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 5 Mar 21 06:40 /dev/snd/pcmC1D1c crw-rw---- 1 root audio 116, 4 Mar 21 06:40 /dev/snd/pcmC1D1p crw-rw---- 1 root audio 116, 1 Mar 21 06:40 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 21 06:40 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 21 06:40 . drwxr-xr-x 4 root root 280 Mar 21 06:40 .. lrwxrwxrwx 1 root root 12 Mar 21 06:40 usb-0d8c_C-Media_USB_Headphone_Set-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 21 06:40 . drwxr-xr-x 4 root root 280 Mar 21 06:40 .. lrwxrwxrwx 1 root root 12 Mar 21 06:40 platform-3f980000.usb-usb-0:1.2:1.0 -> ../controlC0 lrwxrwxrwx 1 root root 12 Mar 21 06:40 platform-snd_aloop.0 -> ../controlC1 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type asym playback.pcm { type plug slave.pcm "output" } capture.pcm { type plug slave.pcm "input" } } pcm.output { type hw card 0 } ctl.!default { type hw card 0 } !!System wide config file (/etc/asound.conf) pcm_slave.hw_Loopback_1_2 { pcm "hw:Loopback,1,2" format S16_LE channels 2 rate 48000 } pcm.plug_Loopback_1_2 { type plug slave hw_Loopback_1_2 ttable { 0.0 = 1 0.1 = 1 } } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Set [C-Media USB Headphone Set], 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: Set [C-Media USB Headphone Set], 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 !!Amixer output !!------------- !!-------Mixer controls for card Set Card sysdefault:0 'Set'/'C-Media USB Headphone Set at usb-3f980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:000c' Controls : 7 Simple ctrls : 3 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 151 Mono: Front Left: Playback 81 [54%] [-13.19dB] [on] Front Right: Playback 81 [54%] [-13.19dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 16 Mono: Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!-------Mixer controls for card Loopback Card sysdefault:1 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 96 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.Set { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value.0 81 value.1 81 comment { access 'read write' type INTEGER count 2 range '0 - 151' dbmin -9999999 dbmax -6 dbvalue.0 -1319 dbvalue.1 -1319 } } control.5 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Mic Capture Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 0 dbmax 2381 dbvalue.0 0 } } control.7 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } 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 subdevice 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.8 { iface PCM subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface PCM subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.10 { iface PCM subdevice 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.11 { iface PCM subdevice 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.12 { iface PCM subdevice 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.13 { 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.14 { iface PCM subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.15 { iface PCM subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.16 { iface PCM subdevice 2 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.17 { iface PCM subdevice 2 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.18 { iface PCM subdevice 2 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.19 { 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.20 { iface PCM subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.21 { iface PCM subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.22 { iface PCM subdevice 3 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.23 { iface PCM subdevice 3 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.24 { iface PCM subdevice 3 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.25 { 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.26 { iface PCM subdevice 4 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.27 { iface PCM subdevice 4 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.28 { iface PCM subdevice 4 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.29 { iface PCM subdevice 4 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.30 { iface PCM subdevice 4 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.31 { 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.32 { iface PCM subdevice 5 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.33 { iface PCM subdevice 5 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.34 { iface PCM subdevice 5 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.35 { iface PCM subdevice 5 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.36 { iface PCM subdevice 5 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.37 { 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.38 { iface PCM subdevice 6 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.39 { iface PCM subdevice 6 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.40 { iface PCM subdevice 6 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.41 { iface PCM subdevice 6 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.42 { iface PCM subdevice 6 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.43 { 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.44 { iface PCM subdevice 7 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface PCM subdevice 7 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.46 { iface PCM subdevice 7 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.47 { iface PCM subdevice 7 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.48 { iface PCM subdevice 7 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.49 { 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.50 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.51 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.52 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.53 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.54 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.55 { 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.56 { iface PCM device 1 subdevice 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.57 { iface PCM device 1 subdevice 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.58 { 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.59 { 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.60 { 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.61 { 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.62 { iface PCM device 1 subdevice 2 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.63 { iface PCM device 1 subdevice 2 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.64 { 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.65 { 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.66 { 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.67 { 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.68 { iface PCM device 1 subdevice 3 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.69 { iface PCM device 1 subdevice 3 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.70 { 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.71 { 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.72 { 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.73 { 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.74 { iface PCM device 1 subdevice 4 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.75 { iface PCM device 1 subdevice 4 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.76 { 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.77 { 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.78 { 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.79 { 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.80 { iface PCM device 1 subdevice 5 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.81 { iface PCM device 1 subdevice 5 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.82 { 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.83 { 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.84 { 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.85 { 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.86 { iface PCM device 1 subdevice 6 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.87 { iface PCM device 1 subdevice 6 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.88 { 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.89 { 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.90 { 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.91 { 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.92 { iface PCM device 1 subdevice 7 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.93 { iface PCM device 1 subdevice 7 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.94 { 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.95 { 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.96 { iface PCM device 1 subdevice 7 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm_bs 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 ch341 cmac cryptd crypto_simd dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fixed fuse hci_uart i2c_bcm2835 ip_tables ipv6 mc raspberrypi_gpiomem raspberrypi_hwmon rfkill snd snd_aloop snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib uio uio_pdrv_genirq usbserial 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] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=f87cc072-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=US [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 7.270229] Bluetooth: HCI UART protocol Broadcom registered [ 7.331535] usbcore: registered new interface driver snd-usb-audio [ 7.373430] uart-pl011 3f201000.serial: no DMA platform data -- [ 7.947982] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Jul 19 2021 03:24:18 version 7.45.98 (TOB) (56df937 CY) FWID 01-8e14b897 [ 7.948865] vc4_hdmi 3f902000.hdmi: 'dmas' DT property is missing or empty, no HDMI audio [ 7.953667] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) !!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