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

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Date:	Wed, 19 Oct 2011 22:06:27 +0100
From:	Carlos Corbacho <carlos@...angeworlds.co.uk>
To:	Jyrki Kuoppala <jkp@....fi>
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)

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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