From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:34926 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751707AbZAKRPp (ORCPT ); Sun, 11 Jan 2009 12:15:45 -0500 Message-ID: <496A293D.1060500@iki.fi> Date: Sun, 11 Jan 2009 19:15:41 +0200 From: Antti Palosaari MIME-Version: 1.0 To: Evan Nando CC: linux-dvb@linuxtv.org, linux-media@vger.kernel.org Subject: Re: [linux-dvb] Tuning probs qt1010/AF9005/Linux + XP driver for AF9005 qt1010 References: <4116f8730901110619v5108d14en7f59044091a7e99@mail.gmail.com> <4116f8730901110629s6d21b5b0td4dfd89044c977cd@mail.gmail.com> In-Reply-To: <4116f8730901110629s6d21b5b0td4dfd89044c977cd@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Evan Nando wrote: > Hi everyone, > > I have the qt1010 based AF9005 and find it has VERY unreliable tuning in > Linux. It just fails to lock onto channels, even after it has > successfully scanned them The problem does not exist at all in WindowsXP > using BlazeDVT. What I've discovered is the *XP driver* supplied on CD > with the AF9005 usb stick works very well with it, whereas other drivers > I've downloaded from the afatech website give poor tuning (giving less > bars in Signal Strength). Current Linux qt1010 driver seems to perform better when signal is weak. With strong signals it does not lock very reliable. > I did note on the LinuxTV/dvb-tv forums that others were having the same > problem, probably because of the qt1010 tuning (very choppy in Linux, > fine in Windows). There are no tweaks available as per the mt2060. > > The driver that works very well with XP has been uploaded to > http://www.megaupload.com/?d=LU1E55EN (716kb) Thanks. I will try to disasm it to see what is differently. > Would anyone be willing to extract the firmware from it for use in > Linux? This would be specific qt1010 firmware. I've tried using usbsnoop > and various filters to try to replay the USB sequence and have not > gotten anywhere. There is no firmware download needed by the qt1010. > Any other tips on Linux qt1010/AF9005 tuning would be much appreciated. > I am hopeful the qt1010 specific firmware will give better results with > Linux. Would not need to boot into XP anymore to watch TV:) You should wait a little. I am doing some work here slowly... -- http://palosaari.fi/