Am Dienstag 28 April 2009 14:43:46 schrieb Vincent Del Medico: > >> drivers/usb/class/cdc-acm.c: Entering acm_tty_open. > >> drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: > >> -32 > > > > It fails USB_CDC_REQ_SET_CONTROL_LINE_STATE > > Does your device support this control request? > > > >> drivers/usb/class/cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2 > > > > Expected consequence of an aborted opening. > > > > Regards > > Oliver > > > > No idea ... I suppose the answer is in the firmware of the device .. > which I don't have access to ... I see. I'll make a patch. I think it worked with your patch because you used the debug interface as control interface. This means a quirk will be needed. Regards Oliver -- 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