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@xxxxxx>
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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