Messages in this thread Patch in this message | | | Date | Mon, 22 Aug 2011 20:19:42 +0300 | From | Jyrki Kuoppala <> | Subject | [PATCH] Fix to qt1010 tuner frequency selection (media/dvb) |
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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 <jkp@iki.fi>
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;
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