Hi
Is this DAC supported? It does not work.
Here is the output when it's plugged in:
[ 8845.619031] usb 7-2: new full-speed USB device number 3 using uhci_hcd
[ 8845.975055] usb 7-2: New USB device found, idVendor=25c4, idProduct=0007
[ 8845.975060] usb 7-2: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 8845.975064] usb 7-2: Product: ARCAM USB Audio 1.0
[ 8845.975066] usb 7-2: Manufacturer: ARCAM
[ 8845.975069] usb 7-2: SerialNumber: 0000
[ 8846.045045] usbhid 7-2:1.2: can't add hid device: -71
[ 8846.045055] usbhid: probe of 7-2:1.2 failed with error -71
[ 8846.190054] ALSA sound/usb/mixer.c:417 cannot get current value for
control 1 ch 1: err = -22
[ 8846.224060] ALSA sound/usb/mixer.c:417 cannot get current value for
control 1 ch 1: err = -22
lsusb -vvv -s 3
Bus 007 Device 003: ID 25c4:0007
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x25c4
idProduct 0x0007
bcdDevice 1.06
iManufacturer 1 (error)
iProduct 2 (error)
iSerial 3 (error)
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 153
bNumInterfaces 3
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 2 (error)
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 40
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 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 6 (error)
AudioControl Interface Descriptor:
bLength 10
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 10
bSourceID 1
bControlSize 1
bmaControls( 0) 0x00
bmaControls( 1) 0x03
Mute Control
Volume Control
bmaControls( 2) 0x03
Mute Control
Volume Control
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 6
wTerminalType 0x0301 Speaker
bAssocTerminal 0
bSourceID 10
iTerminal 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 4 (error)
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 4 (error)
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 1
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 20
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 3
bBitResolution 24
bSamFreqType 4 Discrete
tSamFreq[ 0] 44100
tSamFreq[ 1] 48000
tSamFreq[ 2] 88200
tSamFreq[ 3] 96000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0246 1x 582 bytes
bInterval 1
bRefresh 0
bSynchAddress 129
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 2 Decoded PCM samples
wLockDelay 0 Decoded PCM samples
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0003 1x 3 bytes
bInterval 1
bRefresh 4
bSynchAddress 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 31
Report Descriptor: (length is 99)
Item(Main ): (null), data=none
Item(reserved): (null), data= [ 0xfb 0x06 0xc8 0x7f ] 2143815419
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data= [ 0x00 ] 0
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(reserved): (null), data= [ 0xc3 ] 195
Item(reserved): (null), data=none
Item(Global): Usage Page, data= [ 0xc8 0x7f ] 32712
(null)
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Local ): Usage, data= [ 0x00 0x00 ] 0
(null)
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): End Collection, data= [ 0x6c 0xf4 ] 62572
Item(reserved): (null), data= [ 0x7f 0x00 0x00 0x01 ] 16777343
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Global): Physical Minimum, data= [ 0x3b 0x07 0xc8 0x7f
] 2143815483
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data= [ 0x00 0x00 ] 0
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): Feature, data=none
Data Array Absolute No_Wrap Linear
Preferred_State No_Null_Position
Non_Volatile Bitfield
Item(Global): (null), data= [ 0x6c ] 108
Item(Global): (null), data=none
Item(reserved): (null), data= [ 0x7f 0x00 0x00 0x00 ] 127
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Item(Main ): (null), data=none
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 255
Device Status: 0x0001
Self Powered
--
Jonas
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