Greetings All,
I am trying to connect an ICOM IC-R30 radio using the USB port.
The device driver fails to create /dev/ttyACM0 and issues the following messages:
usb 1-1.2: new full-speed USB device number 8 using ehci-pci
5383.598337] usb 1-1.2: not running at top speed; connect to a high speed hub
5383.600050] usb 1-1.2: New USB device found, idVendor=0c26, idProduct=002b
5383.600052] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
5383.600053] usb 1-1.2: Product: IC-R30
5383.600054] usb 1-1.2: Manufacturer: Icom Inc.
5383.600054] usb 1-1.2: SerialNumber: IC-R30 xxxxxxx
5383.600719] cdc_acm 1-1.2:1.0: Zero length descriptor references
5383.600726] cdc_acm: probe of 1-1.2:1.0 failed with error -22
lsusb output:
Bus 001 Device 008: ID 0c26:002b Prolific Technology Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 2 Communications
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0c26 Prolific Technology Inc.
idProduct 0x002b
bcdDevice 0.00
iManufacturer 1 Icom Inc.
iProduct 2 IC-R30
iSerial 3 IC-R30 xxxxxx
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 48
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 1 AT-commands (v.25ter)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x87 EP 7 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 200
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 2 Communications
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 0
bNumConfigurations 64
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered
Any suggestions as to how to fix this are greatly appreciated.
Running Suse v15.1 on an Lenovo W530 laptop.
Thanx
Richard Rosa