!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Mon Jun 27 21:06:20 UTC 2022 !!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: 5.10.63-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.63-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 1) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 1 [ICUSBAUDIO7D ]: USB-Audio - ICUSBAUDIO7D ICUSBAUDIO7D at usb-3f980000.usb-1.3, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x0d8c C-Media Electronics, Inc. idProduct 0x0102 CM106 Like Sound Device bcdDevice 0.10 iManufacturer 0 iProduct 2 USB Sound Device iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0216 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA 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 0x00c8 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 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 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 8 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 9 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 25 bDescriptorType 36 bDescriptorSubtype 4 (MIXER_UNIT) bUnitID 12 bNrInPins 3 baSourceID(0) 1 baSourceID(1) 9 baSourceID(2) 11 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 bmControls(0) 0x00 iMixer 0 Warning: Junk at end of descriptor (11 bytes): 00 00 00 00 00 00 00 00 00 00 00 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 13 bSourceID 12 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control bmaControls(3) 0x02 Volume Control bmaControls(4) 0x02 Volume Control bmaControls(5) 0x02 Volume Control bmaControls(6) 0x02 Volume Control bmaControls(7) 0x02 Volume Control bmaControls(8) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 13 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 4 (MIXER_UNIT) bUnitID 17 bNrInPins 2 baSourceID(0) 9 baSourceID(1) 11 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 bmControls(0) 0x00 iMixer 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 10 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 7 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 5 (SELECTOR_UNIT) bUnitID 7 bNrInPins 4 baSourceID(0) 8 baSourceID(1) 15 baSourceID(2) 16 baSourceID(3) 2 iSelector 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 6 wTerminalType 0x0603 Line Connector bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 15 bSourceID 6 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 11 bSourceID 6 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0605 SPDIF interface bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 17 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 16 bSourceID 5 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x00 bmaControls(2) 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 8 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 44100 tSamFreq[ 1] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0310 1x 784 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 1 bAlternateSetting 2 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] 44100 tSamFreq[ 1] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00c4 1x 196 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 1 bAlternateSetting 3 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 4 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 44100 tSamFreq[ 1] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0188 1x 392 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 1 bAlternateSetting 4 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 6 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 44100 tSamFreq[ 1] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0248 1x 584 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 1 bAlternateSetting 5 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 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0188 1x 392 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 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 10 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] 44100 tSamFreq[ 1] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous 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 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 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0003 1x 3 bytes bInterval 1 Device Status: 0x0000 (Bus Powered) --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- ICUSBAUDIO7D at usb-3f980000.usb-1.3, full speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 8 Endpoint: 6 OUT (ADAPTIVE) Rates: 44100, 48000 Bits: 16 Channel map: FL FR FC LFE SL SR SL SR Interface 1 Altset 2 Format: S16_LE Channels: 2 Endpoint: 6 OUT (ADAPTIVE) Rates: 44100, 48000 Bits: 16 Channel map: FL FR Interface 1 Altset 3 Format: S16_LE Channels: 4 Endpoint: 6 OUT (ADAPTIVE) Rates: 44100, 48000 Bits: 16 Channel map: FL FR FC LFE Interface 1 Altset 4 Format: S16_LE Channels: 6 Endpoint: 6 OUT (ADAPTIVE) Rates: 44100, 48000 Bits: 16 Channel map: FL FR FC LFE SL SR Interface 1 Altset 5 Format: S16_LE Channels: 2 Endpoint: 6 OUT (ADAPTIVE) Rates: 96000 Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 5 IN (ASYNC) Rates: 44100, 48000 Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c0102, ctrlif=0, ctlerr=0 Card: ICUSBAUDIO7D at usb-3f980000.usb-1.3, full speed Unit: 2 Control: name="PCM Capture Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 2 Control: name="PCM Capture Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="PCM Capture Source", index=0 Info: id=7, control=0, cmask=0x0, channels=1, type="U8" Volume: min=1, max=4, dBmin=0, dBmax=0 Unit: 8 Control: name="Mic Capture Volume", index=0 Info: id=8, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 8 Control: name="Mic Capture Switch", index=0 Info: id=8, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 9 Control: name="Mic Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-6144, max=1921, dBmin=-2400, dBmax=750 Unit: 9 Control: name="Mic 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: 11 Control: name="Line Playback Volume", index=0 Info: id=11, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-6144, max=1921, dBmin=-2400, dBmax=750 Unit: 11 Control: name="Line Playback Switch", index=0 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="Speaker Playback Volume", index=0 Info: id=13, control=2, cmask=0xff, channels=8, type="S16" Volume: min=-9456, max=0, dBmin=-3693, dBmax=0 Unit: 13 Control: name="Speaker Playback Switch", index=0 Info: id=13, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 15 Control: name="Line Capture Volume", index=0 Info: id=15, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 15 Control: name="Line Capture Switch", index=0 Info: id=15, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 16 Control: name="IEC958 In Capture Switch", index=0 Info: id=16, 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, 32 Jun 27 00:38 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 56 Jun 27 00:38 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Jun 27 22:46 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jun 27 00:38 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 27 00:38 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jun 27 00:38 . drwxr-xr-x 4 root root 180 Jun 27 00:38 .. lrwxrwxrwx 1 root root 12 Jun 27 00:38 usb-0d8c_USB_Sound_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jun 27 00:38 . drwxr-xr-x 4 root root 180 Jun 27 00:38 .. lrwxrwxrwx 1 root root 12 Jun 27 00:38 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: ICUSBAUDIO7D [ICUSBAUDIO7D], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: ICUSBAUDIO7D [ICUSBAUDIO7D], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card ICUSBAUDIO7D Card hw:1 'ICUSBAUDIO7D'/'ICUSBAUDIO7D at usb-3f980000.usb-1.3, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0102' Controls : 17 Simple ctrls : 6 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right Limits: Playback 0 - 197 Mono: Front Left: Playback 93 [47%] [-19.50dB] [on] Front Right: Playback 93 [47%] [-19.50dB] [on] Rear Left: Playback 93 [47%] [-19.50dB] [on] Rear Right: Playback 93 [47%] [-19.50dB] [on] Front Center: Playback 93 [47%] [-19.50dB] [on] Woofer: Playback 93 [47%] [-19.50dB] [on] Side Left: Playback 93 [47%] [-19.50dB] [on] Side Right: Playback 93 [47%] [-19.50dB] [on] Simple mixer control 'PCM',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 6928 Front Left: Capture 4355 [63%] [1.01dB] [off] Front Right: Capture 4355 [63%] [1.01dB] [off] Simple mixer control 'PCM Capture Source',0 Capabilities: enum Items: 'Mic' 'Line' 'IEC958 In' 'Mixer' Item0: 'IEC958 In' Simple mixer control 'Line',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 8065 Capture 0 - 6928 Front Left: Playback 6142 [76%] [-0.02dB] [off] Capture 4355 [63%] [1.01dB] [off] Front Right: Playback 6142 [76%] [-0.02dB] [off] Capture 4355 [63%] [1.01dB] [off] Simple mixer control 'Mic',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 8065 Capture 0 - 6928 Front Left: Playback 6144 [76%] [-0.01dB] [off] Capture 4355 [63%] [1.01dB] [off] Front Right: Playback 6144 [76%] [-0.01dB] [off] Capture 4355 [63%] [1.01dB] [off] Simple mixer control 'IEC958 In',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.ICUSBAUDIO7D { 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 comment { access read type INTEGER count 8 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value.0 6144 value.1 6144 comment { access 'read write' type INTEGER count 2 range '0 - 8065' dbmin -2400 dbmax 750 dbvalue.0 -1 dbvalue.1 -1 } } control.5 { iface MIXER name 'Line Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Line Playback Volume' value.0 6142 value.1 6142 comment { access 'read write' type INTEGER count 2 range '0 - 8065' dbmin -2400 dbmax 750 dbvalue.0 -2 dbvalue.1 -2 } } control.7 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Speaker Playback Volume' value.0 93 value.1 93 value.2 93 value.3 93 value.4 93 value.5 93 value.6 93 value.7 93 comment { access 'read write' type INTEGER count 8 range '0 - 197' dbmin -3693 dbmax 0 dbvalue.0 -1950 dbvalue.1 -1950 dbvalue.2 -1950 dbvalue.3 -1950 dbvalue.4 -1950 dbvalue.5 -1950 dbvalue.6 -1950 dbvalue.7 -1950 } } control.9 { iface MIXER name 'Mic Capture Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value.0 4355 value.1 4355 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 101 dbvalue.1 101 } } control.11 { iface MIXER name 'Line Capture Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Line Capture Volume' value.0 4355 value.1 4355 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 101 dbvalue.1 101 } } control.13 { iface MIXER name 'IEC958 In Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.14 { iface MIXER name 'PCM Capture Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.15 { iface MIXER name 'PCM Capture Volume' value.0 4355 value.1 4355 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 101 dbvalue.1 101 } } control.16 { iface MIXER name 'PCM Capture Source' value 'IEC958 In' comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line item.2 'IEC958 In' item.3 Mixer } } control.17 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep br_netfilter brcmfmac brcmutil bridge btbcm cfg80211 cmac ecc ecdh_generic fixed garp hci_uart ip_tables ipv6 llc mc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nft_counter overlay raspberrypi_hwmon rfkill sha256_generic snd snd_hwdep snd_pcm snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib stp uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma veth videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xt_MASQUERADE xt_addrtype xt_conntrack xt_nat xt_tcpudp !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240555 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=768 bcm2708_fb.fbheight=576 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=2f248564-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 8.329606] usb 1-1.3: [2] FU [PCM Capture Volume] ch = 2, val = -4096/2832/1 [ 8.333466] usbcore: registered new interface driver snd-usb-audio [ 8.455275] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1 !!Packages installed !!-------------------- ii alsa-oss 1.1.8-1 armhf ALSA wrapper for OSS applications ii alsa-tools 1.1.7-1 armhf Console based ALSA utilities for specific hardware ii alsa-utils 1.1.8-2 rpt1 armhf Utilities for configuring and using ALSA