From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:39112 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751106Ab1FTVZT (ORCPT ); Mon, 20 Jun 2011 17:25:19 -0400 Message-ID: <4DFFBABD.3040302@iki.fi> Date: Tue, 21 Jun 2011 00:25:17 +0300 From: Antti Palosaari MIME-Version: 1.0 To: Rune Evjen CC: linux-media@vger.kernel.org Subject: Re: PCTV nanoStick T2 290e (Sony CXD2820R DVB-T/T2/C) - DVB-C channel scan in mythtv - missing References: <4DF49E2A.9030804@iki.fi> <4DFFB56B.3000802@iki.fi> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-ID: Sender: On 06/21/2011 12:20 AM, Rune Evjen wrote: > 2011/6/20 Antti Palosaari: >> LNA is controlled by demod GPIO line. I don't remember if it is on or off >> for DVB-C currently. Look em28xx-dvb.c file, you can disable or enable it >> from there (needs re-compiling driver). >> >> I also saw BER counter running some muxes during development, but I think >> all channels I have are still working. And I didn't even have time to >> optimal parameters for tuner / demod. I will try to examine those later... >> > Thank you Antti, > > I will test with lna disabled in the em28xx-dvb module > > In line 349 of the code, I see this: > /* enable LNA for DVB-T2 and DVB-C */ > .gpio_dvbt2[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L, > .gpio_dvbc[0] = CXD2820R_GPIO_E | CXD2820R_GPIO_O | CXD2820R_GPIO_L, > > I suspect I should modify line 351, what should it be changed to ? Remove corresponding line (.gpio_dvbc[0]). regards Antti -- http://palosaari.fi/