[linux-dvb] Terratec Cinergy 1200 DVB-C and QAM 128

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timo.helkio@xxxxxx wrote:
> I managed to get this card working with QAM 128 channels by changing 
> 174500000 to 150000000 in budget-av.c (code extract below). Free 
> channels are here in Uusikaupunki using freq. 154 and 170 MHz and all 
> QAM 128. Maybe this has been solved earlier, but there has not been any 
> postings about it.
> 
> #define TUNER_MUL 62500
> 
> 	u32 div = (params->frequency   36125000   TUNER_MUL / 2) / TUNER_MUL;
> 
> 	buf[0] = (div >> 8) & 0x7f;
> 	buf[1] = div & 0xff;
> 	buf[2] = 0x8e;
> 	buf[3] = (params->frequency < 174500000 ? 0xa1 :
> 		  params->frequency < 454000000 ? 0x92 : 0x34);

How does this perform in comparison?

 	buf[2] = 0x86;
 	buf[3] = (params->frequency < 150000000 ? 0x01:
 		  params->frequency < 445000000 ? 0x02 : 0x04);

Johannes



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