Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755874Ab3GWIPp (ORCPT ); Tue, 23 Jul 2013 04:15:45 -0400 Received: from mail-bk0-f47.google.com ([209.85.214.47]:38139 "EHLO mail-bk0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755779Ab3GWIPf (ORCPT ); Tue, 23 Jul 2013 04:15:35 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 23 Jul 2013 10:15:34 +0200 Message-ID: Subject: Re: Unsupported DisplayLink (udl or udlfb module) From: Paolo Bolzoni To: LKML Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4280 Lines: 116 On Mon, Jul 22, 2013 at 10:07 PM, Belisko Marek wrote: >> But, it does not matter what of the two modules I have loaded it >> seems the kernel does not recognize it > Matching is done by VID = 0x17e9 which seem match but then by > bInterfaceClass = 0xff, bInterfaceSubClass = 0x00 and bInterfaceProtocol = 0x00. > Can you please post lsusb -v to check what are other parameters for your device. Sure thing, I appended the output at the end of the email because it is a little long. Please if you answer put my address paolo.bolzoni.brown@gmail.com in CC as I did not register to the mailing list. Your sincerely, Paolo Here is the lsusb -v output about my DisplayLink: Bus 003 Device 002: ID 17e9:4300 DisplayLink Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 9 idVendor 0x17e9 DisplayLink idProduct 0x4300 bcdDevice 2.36 iManufacturer 1 iProduct 2 iSerial 3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 103 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 126mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 3 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 3 iInterface 0 ** UNRECOGNIZED: 0c 5f 01 00 0a 00 04 04 01 00 04 00 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 5 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 0 Device Firmware Upgrade Interface Descriptor: bLength 9 bDescriptorType 33 bmAttributes 1 Will Not Detach Manifestation Intolerant Upload Unsupported Download Supported wDetachTimeout 200 milliseconds wTransferSize 1024 bytes bcdDFUVersion 1.01 ** UNRECOGNIZED: 10 40 06 01 09 01 01 03 45 6c 6c 61 44 6f 63 6b -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/