I have a new Samsung LTE Wireless USB Modem. Does anyone have any idea
what driver would be appropriate to modify to support this device? I
attached the output from dmesg and lsusb. The cd device just contains
the windows drivers.
I usually just deal with usbserial or cdc-acm devices. Is this maybe a
modified cdc ethernet device with the first interface showing up as vendor
specific? Under windows this connects as a network interface, control
port, and mass storage device.
I have this connected under a 2.6.34-rc7 kernel.
[ 168.192717] usb 1-3: new high speed USB device using ehci_hcd and address 2
[ 168.369971] Initializing USB Mass Storage driver...
[ 168.370075] scsi8 : usb-storage 1-3:1.2
[ 168.370188] usbcore: registered new interface driver usb-storage
[ 168.370189] USB Mass Storage support registered.
[ 169.371857] scsi 8:0:0:0: CD-ROM Samsung Install Disk
0.10 PQ: 0 ANSI: 0 CCS
[ 169.375293] sr1: scsi3-mmc drive: 48x/48x xa/form2 cdda tray
[ 169.375541] sr 8:0:0:0: Attached scsi CD-ROM sr1
[ 169.375670] sr 8:0:0:0: Attached scsi generic sg4 type 5
[ 169.382747] sr1: Hmm, seems the drive doesn't support multisession CD's
Bus 001 Device 002: ID 04e8:6876 Samsung Electronics Co., Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x04e8 Samsung Electronics Co., Ltd
idProduct 0x6876
bcdDevice 0.01
iManufacturer 1
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 78
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
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 0x0200 1x 512 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 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
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 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
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