[linux-dvb] Re: VES1820.c question

[Andreas Oberritter <andreas@oberritter.de>]

Hi,

> Last night I tried to get NEWSTRUCT driver to work with no luck. With 
> "oldstruct" my Siemens DVB-C card QAM64 channels tuned with first try and 
> QAM128 channels didn't tune on the first try but tuned in fe_zigzag() 
> function before it even started zigzagging.

does your provider use spectral inversion? The patch below works for the
dbox2 set top box (at least someone reported that), so I guess it might
work for DVB-C PCI cards, too.

Best regards,
Andreas



Index: ves1820.c
===================================================================
RCS file: /cvs/linuxtv/DVB/driver/frontends/Attic/ves1820.c,v
retrieving revision 1.1.2.17
diff -u -r1.1.2.17 ves1820.c
--- ves1820.c	9 Oct 2002 09:22:14 -0000	1.1.2.17
+++ ves1820.c	9 Oct 2002 13:14:22 -0000
@@ -228,11 +228,11 @@
 	u8 reg0 = (ves1820_inittab[0] & 0xe3) | (real_qam << 2);
 
 	switch (inversion) {
-	case INVERSION_OFF:      /* XXX FIXME: reversed?? p. 25  */
+	case INVERSION_ON:
 		reg0 |= 0x20;
 		break;
 
-	case INVERSION_ON:
+	case INVERSION_OFF:
 		reg0 &= 0xdf;
 		break;





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