[linux-dvb] [PATCH] HD5000 Support
Mac Michaels
wmichaels1 at earthlink.net
Tue Oct 18 00:00:58 CEST 2005
Here is a patch:
Index: linux/drivers/media/dvb/frontends/lgdt330x.c
===================================================================
RCS
file: /cvs/linuxtv/dvb-kernel/linux/drivers/media/dvb/frontends/lgdt330x.c,v
retrieving revision 1.11
diff -u -b -B -r1.11 lgdt330x.c
--- linux/drivers/media/dvb/frontends/lgdt330x.c 15 Oct 2005
17:48:57 -0000 1.11
+++ linux/drivers/media/dvb/frontends/lgdt330x.c 17 Oct 2005
21:52:37 -0000
@@ -772,9 +772,8 @@
.frequency_min= 54000000,
.frequency_max= 858000000,
.frequency_stepsize= 62500,
- /* Symbol rate is for all VSB modes need to check QAM */
- .symbol_rate_min = 10762000,
- .symbol_rate_max = 10762000,
+ .symbol_rate_min = 5056941, /* QAM 64 */
+ .symbol_rate_max = 10762000, /* VSB 8 */
.caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
},
.init = lgdt330x_init,
-- Mac
On Monday 17 October 2005 09:00 am, Steve Malenfant wrote:
> Quick question, why is the symbol rate for the lgdt330x
> is : .symbol_rate_min = 10762000,
> .symbol_rate_max = 10762000,
>
> Shouldn't this be :
> .symbol_rate_min = 5056941, (QAM_64)
> .symbol_rate_max = 10762000, (VSB_8)
>
> I didn't know that VSB_8 was using half the bandwidth of
> the symbol, I need to look into this.
>
> Steve M.
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