From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-out.m-online.net ([212.18.0.9]:46639 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752009AbZLYKi2 (ORCPT ); Fri, 25 Dec 2009 05:38:28 -0500 Message-ID: <4B34961D.6060207@a-city.de> Date: Fri, 25 Dec 2009 11:38:21 +0100 From: TAXI MIME-Version: 1.0 To: BOUWSMA Barry CC: linux-media@vger.kernel.org Subject: Re: Bad image/sound quality with Medion MD 95700 References: <4B33F4CA.7060607@a-city.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: BOUWSMA Barry schrieb: > The other thing to note is that this device delivers a full > unfiltered Transport Stream, which with the 13,27Mbit/sec typical > bandwidth per channel used in your country (apart from some local > exceptions of greater values), will require a USB2 interface. it is a USB2 interface: [ 3.965425] usb 1-3.1: new high speed USB device using ehci_hcd and address 6 (it's the USB hub in the box) I also thought the USB chipset could be the problem and testet it with an extra USB2 card. > around line 620 in my reference code, there is a line that sets > the alternate interface to 6. This is expected to be bulk, but > on my boxes is isoc. > > You can change this to interface 0, on which my boxes delivers > bulk data flawlessly. I think isoc would be okay on 2.6.32, so no need to change that, right? > but when > I have my machine operating fully again (yeahright), I can send > you some of these alternative patches to try -- running > successfully on 2.6.14 and 2.6.27-rc4. That would be nice. P.S. my english is not the best so I don't understand all you wrote but why don't you put the patches upstream?