From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from psmtp12.wxs.nl ([195.121.247.24]:47791 "EHLO psmtp12.wxs.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755313Ab0CDWwD (ORCPT ); Thu, 4 Mar 2010 17:52:03 -0500 Received: from localhost (ip545779c6.direct-adsl.nl [84.87.121.198]) by psmtp12.wxs.nl (iPlanet Messaging Server 5.2 HotFix 2.15 (built Nov 14 2006)) with ESMTP id <0KYS00C9H4ULGB@psmtp12.wxs.nl> for linux-media@vger.kernel.org; Thu, 04 Mar 2010 23:52:02 +0100 (MET) Date: Thu, 04 Mar 2010 23:51:49 +0100 From: Jan Hoogenraad Subject: Re: [linux-dvb] Compro U80 Nearly there??? In-reply-to: <1267260444.4176.31.camel@lisa> To: linux-media@vger.kernel.org Cc: linux-dvb@linuxtv.org Message-id: <4B903985.3020404@hoogenraad.net> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT References: <1267260444.4176.31.camel@lisa> Sender: linux-media-owner@vger.kernel.org List-ID: Please see if there is more information on the tuner in the logging with debugging switched on: sudo modprobe -r dvb-usb-rtl2831u sudo modprobe dvb-usb-rtl2831u debug=1 The ~jhoogenraad/rtl2831-r2 has two tuners hard-coded in the driver (no separation of back-end and front-end), and logs the interactions with those tuners in debug mode. I maintain the wiki with info on the driver: http://www.linuxtv.org/wiki/index.php/Rtl2831_devices Please also try the new driver (alas with no IR remote support) from ~anttip/rtl2831u peter wrote: > I'm running Ubuntu Karmic, and have a Compro U80 Device USB ID > 185b:0150. > > To get this close to working I have: > > 1) Added 50-udev.rules which seem to allow the device to be recognised. > > 2) Compiled the ~jhoogenraad/rtl2831-r2 version of the driver. > > This gets me to the point where: > - /dev/dvb exists. > - my applications recognise the device > > - In the log I see: > > [ 14.311735] dvb-usb: found a 'VideoMate U90' in warm state. > [ 14.311743] dvb-usb: will pass the complete MPEG2 transport stream to > the software demuxer. > [ 14.312131] DVB: registering new adapter (VideoMate U90) > [ 14.312420] DVB: registering adapter 0 frontend 0 (Realtek RTL2831 > DVB-T)... > [ 14.312521] input: IR-receiver inside an USB DVB receiver > as /devices/pci0000:00/0000:00:02.1/usb1/1-1/input/input5 > [ 14.312552] dvb-usb: schedule remote query interval to 300 msecs. > [ 14.312558] dvb-usb: VideoMate U90 successfully initialized and > connected. > [ 14.312589] usbcore: registered new interface driver dvb_usb_rtd2831u > > So looking good so far. > > > However, if i used scan, or an application like Kaffeine tuning fails. I > know that the device works as I can get it to work on windows. > > So I have been looking at the RTL2831U data sheets which I know from the > windows driver that this is based on. (I don't know much about this > hardware I am trying to figure it out ). So this chip is just doing the > demodulating and the USB interface. It must therefore be paired with > tuner. It seems logical to me (but is possibly wrong ) that if the > demodulator is working and I cant tune, then the issue is with the tuner > part of the driver. The windows drivers refer to both the MT2060 and the > QT1010, but I don't know which one is being used. (I have not had the > guts to rip the thing apart yet). Docu in the code of for the driver > implies that it can support the MT2060 but not the QT1010 so I guess > with my luck it is the quantec one. > > Has any one got any advice as to where I should look next? Has anyone > got this to work? It seems to be quite close. I any suggestions would be > appreciated. > Thanks > Peter > > > _______________________________________________ > linux-dvb users mailing list > For V4L/DVB development, please use instead linux-media@vger.kernel.org > linux-dvb@linuxtv.org > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > -- Jan Hoogenraad Hoogenraad Interface Services Postbus 2717 3500 GS Utrecht