From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:53542 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751091Ab1FLLJJ (ORCPT ); Sun, 12 Jun 2011 07:09:09 -0400 Message-ID: <4DF49E2A.9030804@iki.fi> Date: Sun, 12 Jun 2011 14:08:26 +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: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-ID: Sender: On 06/12/2011 11:23 AM, Rune Evjen wrote: > I just tested a PCTV 290e device using the latest media_build drivers > in MythTV as a DVB-C device, and ran into some problems. > > The adapter is recognized by the em28xx-dvb driver [1] and dmesg > output seems to be correct [2]. I can successfully scan for channels > using the scan utility in dvb-apps but when I try to scan for channels > in mythtv I get the following errors logged by mythtv-setup: > > 2011-06-12 00:57:20.971556 PIDInfo(/dev/dvb/adapter0/ > frontend1): Failed to open demux device /dev/dvb/adapter0/demux1 for > filter on pid 0x0 > > The demux1 does not exist, I only have the following nodes under > /dev/dvb/adapter0: > > demux0 dvr0 frontend0 frontend1 net0 > > When searching the linx-media I came across this thread: > http://www.mail-archive.com/linux-media@vger.kernel.org/msg31839.html > > Is there any way to circumvent with the current driver that there is > no corresponding demux1 for frontend1? > Or can the DVB-T/T2 part be disabled somehow so that there is only one > DVB-C frontend registered which corresponds to the demux0? There is no way to say driver to create demux1 for frontend1. After all it is not 100% clear even for me if that's correct or not, but most likely it is correct as far as I understood. regards, Antti -- http://palosaari.fi/