Re: [PATCH] Fix to qt1010 tuner frequency selection (media/dvb)

[Jyrki Kuoppala]

I haven't gotten any feedback, and didn't see any comments on the lists 
(though I've checked them only occasionally), so I think you're probably 
right it fell between the cracks.

Jyrki


25.09.2011 19:13, Carlos Corbacho kirjoitti:
> On Monday 22 Aug 2011 20:19:42 Jyrki Kuoppala wrote:
> > 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_s
> > ome_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>
> Cc: stable@xxxxxxxxxx
> Tested-by: Carlos Corbacho<carlos@xxxxxxxxxxxxxxxxxxx>
>
> This patch means I can now finally tune to all the BBC channels (which are on
> channel 31 (554 MHz) in my area). This should definitely go to stable, as I've
> also seen other similar reports for users who can't tune to various channels
> in the affected ranges here using qt1010.
>
> Mauro - I don't see this one in your git tree in the 3.2 branch, or in the
> temporary linuxtv patchwork, so I'm assuming this one fell between the cracks?
>
> -Carlos
>
> > 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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