From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp2f.orange.fr ([80.12.242.152]:60927 "EHLO smtp2f.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751843Ab0HXGp6 (ORCPT ); Tue, 24 Aug 2010 02:45:58 -0400 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf2f23.orange.fr (SMTP Server) with ESMTP id 686388000048 for ; Tue, 24 Aug 2010 08:45:56 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf2f23.orange.fr (SMTP Server) with ESMTP id 58881800018F for ; Tue, 24 Aug 2010 08:45:56 +0200 (CEST) Received: from [192.168.1.3] (AOrleans-552-1-46-139.w90-20.abo.wanadoo.fr [90.20.157.139]) by mwinf2f23.orange.fr (SMTP Server) with ESMTP id 24FC48000048 for ; Tue, 24 Aug 2010 08:45:56 +0200 (CEST) Message-ID: <4C736AA3.6090402@wanadoo.fr> Date: Tue, 24 Aug 2010 08:45:55 +0200 From: tomlohave MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: Fwd: Re: patch for lifeview hybrid mini Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit List-ID: Sender: Mauro Carvalho Chehab -------- Message original -------- Sujet: Re: patch for lifeview hybrid mini Date : Tue, 24 Aug 2010 08:35:39 +0200 De : tomlohave@gmail.com Pour : hermann pitton , jpnews13@free.fr, linux-dvb@linuxtv.org Le 24/08/2010 01:49, hermann pitton a écrit : > Hello Thomas, > > Hi hermann > the assumption is good then. > > Latest revisions of the Lifeview cards do switch to radio mode with > gpio21 high and let it low for TV. (it was the other way round > previously) > > I was just wondering, if it might have radio support at all, since > gpio21 is not set in the m$ gpio mask and you say it does not come with > radio software. > > The gpio18 and 16 can trigger IRQs and are usually in use on such > remotes for the button up/down signal and related IRQ sampling. > > All saa7133/35/31e with tda8275ac and radio IF support use a special > 7.5MHz ceramic filter, usually a huge well visible part in blue or > orange color, but on latest designs they are hard to identify, since > they might appear as SMD discrets now too. > it's hard to look because the card is covered by a metal plate and we don't want to break it. > The switch to this filter is often related to a an antenna connector RF > input switch triggered by the same gpio, but not necessarily. All sort > of combinations do exist. > > good news :( > Anyway, we demodulate the radio IF from such tuners on the > saa7133/35/31e on the saa chip and do also the stereo separation and > detection there. Hartmut added the needed code in saa7134-tvaudio and it > is valid for all tuner=54. > > To achieve that, you need to use amux = TV for radio and likely also > some gpio is involved for the RF routing. > > Will look at this. Many thanks. > Cheers, > Hermann > > > > Best regards, thomas