From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pz0-f42.google.com ([209.85.210.42]:51670 "EHLO mail-pz0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752720Ab1HONeU (ORCPT ); Mon, 15 Aug 2011 09:34:20 -0400 Received: by pzk37 with SMTP id 37so2902735pzk.1 for ; Mon, 15 Aug 2011 06:34:20 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 15 Aug 2011 15:34:20 +0200 Message-ID: Subject: Afatech AF9013 From: Josu Lazkano To: linux-media@vger.kernel.org, linux-dvb@linuxtv.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-media-owner@vger.kernel.org List-ID: Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T 399U): http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DVB-T_399U) I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual device, sometimes the second adapter works great, but sometimes has a pixeled images. The first adapter always has pixeled images, I don't know how to describe the pixeled images, so here is a mobile record: http://dl.dropbox.com/u/1541853/kworld.3gp I have this firmware: http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw I read on the linuxtv wiki and there are some problems with dual mode, there is some links for how to patch the similar driver (Afatech/ITE IT9135), but I am not good enough to understand the code. I check the kernel messages: Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed reg:d2e6 Aug 15 13:54:29 htpc kernel: [ 547.407504] af9013: I2C read failed reg:d330 Aug 15 13:54:44 htpc kernel: [ 561.902710] af9013: I2C read failed reg:d2e6 It looks I2C problem, but I don't know how to debug it deeper. I don't know if this is important, but I compile the s2-liplianin for other devices this way: apt-get install linux-headers-`uname -r` build-essential mkdir /usr/local/src/dvb cd /usr/local/src/dvb wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip unzip s2-liplianin-0b7d3cc65161.zip cd s2-liplianin-0b7d3cc65161 make CONFIG_DVB_FIREDTV:=n make install Can you help with this? This hardware is a very cheap and works well for HD channels but, I don't know why sometimes has pixeled images. Thanks for your help, best regards. -- Josu Lazkano