From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:46589 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755441Ab1JMNVo (ORCPT ); Thu, 13 Oct 2011 09:21:44 -0400 Message-ID: <4E96E5E5.2060702@iki.fi> Date: Thu, 13 Oct 2011 16:21:41 +0300 From: Antti Palosaari MIME-Version: 1.0 To: Ling Sequera CC: linux-media Subject: Re: support for tv tuner tda18211 in Iconbit U100 analog stick References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: CX23102 + TDA18211 (== DVB-T only version of TDA18271) Maybe someone have better knowledge about that as I am not any familiar with CX23102 nor analog TV side. Antti On 10/09/2011 03:56 AM, Ling Sequera wrote: > I try to post this at linux-media@vger.kernel.org > , but the system rejects the > sending, Excuse me for send this to you, I have understood that you are > one of the developers of the tda18271 module. > > I have a "Mygica u719c usb analog tv stick", lsusb output identify this > device as: "ID 1f4d:0237 G-Tek Electronics Group". Googling, I found > that this device is the same "Iconbit Analog Stick U100 FM > ", > which has support in the kernel since version 3.0 as shown here > . I opened the > device to corfirm this information, and effectively, it has to chips, > the demod Conexan "CX23102" and the DVB-T tuner NPX "TDA-18211". I > installed the precompiled version of kernel 3.0.4, and the device was > reconized, but only works in the modes: composite and s-video. I check > the source code and I found that it don't support tv tuner mode > (.tuner_type=TUNER_ABSENT in 513 line of the cx231xx-cards.c > > source file), I want to add support for this. The TDA-18211 tuner has > support in the kernel in the module tda18271 according to the thread of > this mailing list > . I > have never written a module, but I have basic knowledge in C, so I need > a book, reference, api, or something, to write the missing code to add > support for this device as tv tuner. Also I need help understanding how > to read usb-snoop log files and identify the necessary parameters for > configure the code. Thanks in advance. > > Best regards. -- http://palosaari.fi/