[linux-dvb] Re: [video4linux-cvs] Add support for the Avermedia 777 DVB-T card

Jose Alberto Reguero jareguero at telefonica.net
Tue Jan 31 21:01:20 CET 2006


El Martes, 31 de Enero de 2006 20:22, Michael Krufky escribió:
> Jose Alberto Reguero wrote:
> >El Lunes, 30 de Enero de 2006 22:27, Hartmut Hackmann escribió:
> >>Ok, at the first glance there is only a minor issue with this patch and
> >>it will not give optimum performance if the Philips recommendatios are
> >>right.
> >>I was not aware that dvb-pll already just provides the byte lists, so
> >>we can agree to move the tuning code for MT352 to dvb-pll as a
> >> compromise.
> >
> >I think that this patch solves the issue you mentioned. I think that now
> > is the same code that without dvb-pll.
> >
> >
> >--- v4l-dvb/linux/drivers/media/dvb/frontends/dvb-pll.c	2006-01-31
> > 09:46:16.000000000 +0100 +++
> > v4l-dvb.new/linux/drivers/media/dvb/frontends/dvb-pll.c	2006-01-31
> > 09:29:20.000000000 +0100 @@ -391,15 +391,15 @@
> > 	.setbw = td1316_bw,
> > 	.count = 9,
> > 	.entries = {
> >-		{ 130000000, 36166000, 166666, 0xca, 0x60},
> >-		{ 160000000, 36166000, 166666, 0xca, 0xa0},
> >-		{ 200000000, 36166000, 166666, 0xca, 0xc0},
> >-		{ 290000000, 36166000, 166666, 0xca, 0x60},
> >-		{ 420000000, 36166000, 166666, 0xca, 0xa0},
> >-		{ 480000000, 36166000, 166666, 0xca, 0xc0},
> >-		{ 620000000, 36166000, 166666, 0xca, 0x60},
> >-		{ 830000000, 36166000, 166666, 0xca, 0xa0},
> >-		{ 895000000, 36166000, 166666, 0xca, 0xe0},
> >+		{ 938340000, 36166000, 166666, 0xca, 0x60},
> >+		{ 123834000, 36166000, 166666, 0xca, 0xa0},
> >+		{ 163834000, 36166000, 166666, 0xca, 0xc0},
> >+		{ 253834000, 36166000, 166666, 0xca, 0x60},
> >+		{ 383834000, 36166000, 166666, 0xca, 0xa0},
> >+		{ 443834000, 36166000, 166666, 0xca, 0xc0},
> >+		{ 583834000, 36166000, 166666, 0xca, 0x60},
> >+		{ 793834000, 36166000, 166666, 0xca, 0xa0},
> >+		{ 858834000, 36166000, 166666, 0xca, 0xe0},
> > 	},
> > };
> > EXPORT_SYMBOL(dvb_pll_philips_td1316);
>
> Jose-
>
> The patch above doesnt make any sense...  The ranges should be in order
> from min to max... Hartmut has already applied your last patch, but this
> one is obviously incorrect.....
>
> Is the current code in Hg not working correctly?
>
> If not, then the patch above should be corrected, but I'm not sure that
> I understand what you're trying to do, here.
>
> Regards,
>
> Michael Krufky

I have a mistake in the patch.
The idea is to subtract 36166000 to the ranges, because the older code add 
36166000  to the frequencie before to compare it with the ranges.
I attach the patch again, but is not to much diference .Both codes work.

Thanks.
Jose Alberto
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