From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752721Ab1HVRY6 (ORCPT ); Mon, 22 Aug 2011 13:24:58 -0400 Received: from mail.kaapeli.fi ([84.20.139.148]:34494 "EHLO mail.kaapeli.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751944Ab1HVRY4 (ORCPT ); Mon, 22 Aug 2011 13:24:56 -0400 X-Greylist: delayed 309 seconds by postgrey-1.27 at vger.kernel.org; Mon, 22 Aug 2011 13:24:55 EDT Message-ID: <4E528FAE.5060801@iki.fi> Date: Mon, 22 Aug 2011 20:19:42 +0300 From: Jyrki Kuoppala User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.18) Gecko/20110617 Thunderbird/3.1.11 MIME-Version: 1.0 To: linux-media@vger.kernel.org CC: linux-kernel@vger.kernel.org, Mauro Carvalho Chehab Subject: [PATCH] Fix to qt1010 tuner frequency selection (media/dvb) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The patch fixes frequency selection for some UHF frequencies e.g. channel 32 (562 MHz) on the qt1010 tuner. The tuner is used e.g. in the MSI Mega Sky dvb-t stick ("MSI Mega Sky 55801 DVB-T USB2.0") One example of problem reports of the bug this fixes can be read at http://www.freak-search.com/de/thread/330303/linux-dvb_tuning_problem_with_some_frequencies_qt1010,_dvb Applies to kernel versions 2.6.38.8, 2.6.39.4, 3.0.3 and 3.1-rc2. Signed-off-by: Jyrki Kuoppala diff -upr linux-source-2.6.38.orig/drivers/media/common/tuners/qt1010.c linux-source-2.6.38/drivers/media/common/tuners/qt1010.c --- linux-source-2.6.38.orig/drivers/media/common/tuners/qt1010.c 2011-03-15 03:20:32.000000000 +0200 +++ linux-source-2.6.38/drivers/media/common/tuners/qt1010.c 2011-08-21 23:16:38.209580365 +0300 @@ -198,9 +198,10 @@ static int qt1010_set_params(struct dvb_ /* 22 */ if (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */ - else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */ + else if (freq < 482000000) rd[15].val = 0xd2; /* 482 MHz */ else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */ - else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */ + else if (freq < 546000000) rd[15].val = 0xd6; /* 546 MHz */ + else if (freq < 578000000) rd[15].val = 0xd8; /* 578 MHz */ else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */ else rd[15].val = 0xd0;