Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756951Ab3GVUHg (ORCPT ); Mon, 22 Jul 2013 16:07:36 -0400 Received: from mail-oa0-f44.google.com ([209.85.219.44]:46520 "EHLO mail-oa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755237Ab3GVUHf (ORCPT ); Mon, 22 Jul 2013 16:07:35 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 22 Jul 2013 22:07:34 +0200 Message-ID: Subject: Re: Unsupported DisplayLink (udl or udlfb module) From: Belisko Marek To: Paolo Bolzoni Cc: 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: 2653 Lines: 73 Dear Paolo Bolzini, On Mon, Jul 22, 2013 at 2:58 PM, Paolo Bolzoni wrote: > Dear kernel list, > I bought a DVI to VGA adapter[0] hoping to make it work with the > modules udl or udlfb. The program lsusb does recognize it as a > DisplayLink: > > //// lsmod output: > Bus 002 Device 004: ID 17e9:4300 DisplayLink > > 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. > > # modprobe udl > //// plugging > # dmesg|tail -3 > [ 5500.731973] usb 2-1: new SuperSpeed USB device number 5 using xhci_hcd > [ 5500.747190] usbip-host 2-1:1.0: 2-1 is not in match_busid table... skip! > [ 5500.747760] usbip-host 2-1:1.1: 2-1 is not in match_busid table... skip! > //// unplugging > # rmmod udl > # modprobe udlfb > //// plugging > # dmesg|tail -4 > [ 5544.168599] usb 2-1: USB disconnect, device number 5 > [ 5560.144758] usb 2-1: new SuperSpeed USB device number 6 using xhci_hcd > [ 5560.160033] usbip-host 2-1:1.0: 2-1 is not in match_busid table... skip! > [ 5560.160585] usbip-host 2-1:1.1: 2-1 is not in match_busid table... skip! > > I tried seeking on the Internet, but I could not find anything about > this 17e9:4300 model. So I ask, it will be supported? It is already > supported somewhat? Can I help? I have no experience in kernel > programming; but asking is legit I guess. > > Please if you answer put my address paolo.bolzoni.brown@gmail.com in > CC as I did not register to the mailing list scared by the huge volume. > > Yours sincerely, > Paolo Bolzoni > > > [0] http://www.amazon.co.uk/exec/obidos/ASIN/B0086359SG/ref=ox_ya_os_product > -- > 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/ Regards, marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com -- 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/