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Date:	Sun, 25 Sep 2011 19:37:15 +0300
From:	Jyrki Kuoppala <jkp@....fi>
To:	Carlos Corbacho <carlos@...angeworlds.co.uk>
CC:	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...radead.org>
Subject: Re: [PATCH] Fix to qt1010 tuner frequency selection (media/dvb)

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@....fi>
> Cc: stable@...nel.org
> Tested-by: Carlos Corbacho<carlos@...angeworlds.co.uk>
>
> 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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