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

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Message-ID: <4E9FA779.5040406@iki.fi>
Date:	Thu, 20 Oct 2011 07:45:45 +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 think my problem frequency has also been at the later spot. It is possible there is something more complicated going on at 474 MHz - so based on your testing, it's best to apply just the latter change, at least for now.

Jyrki



+    else if (freq<   546000000) rd[15].val = 0xd6; /* 546 MHz */

+    else if (freq<   546000000) rd[15].val = 0xd6; /* 546 MHz */


20.10.2011 00:06, Carlos Corbacho kirjoitti:
> Jyrki,
>
> So after a bit more testing...
>
> [...]
>
>>>>         /* 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 */
> This change isn't so good.
>
> With this change, I can no longer tune to channel 21 (474 MHz). If I revert it
> back to 0xd1, it's fine.
>
> [...]
>
>>>>         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 */
> (This change is still good though, as this does allow me to now tune to the
> BBC channels in this range).
>
> -Carlos

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