On Fri, May 14, 2010 at 3:48 AM, Josua Dietze <digidietze@xxxxxxxxxxxxxxx> wrote: > Oliver Neukum schrieb: >> >> Am Freitag, 14. Mai 2010 07:03:57 schrieb Brian Walsh: >>> >>> 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. >> >> cdc-ether would require an interrupt endpoint on the control interface. >> Try option and sierra, the usual suspects. I got the generic usbserial driver to attach to the two endpoints. I would have expected one of the two ports that showed up to talk AT but neither did. I can try the option driver as well. I would not expect the sierra driver to work since it is not a sierra device. > > All modems using serial drivers (i.e. "option") that I know are using an > interrupt endpoint for the actual connection as well. > > It might be useful to look at the Windows behaviour more closely. Does the > USB ID change in any way after the driver is installed? Or the > number/classes of endpoints? > No, the number of endpoints does not change and neither does the USB ID. I have already checked out the usb mode switch tool as a possibility. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
