[linux-dvb] cx88-dvb: fix nxt200x rf input switching broke my tuner? :)

Nathan Faust nfaust at merchantwarehouse.com
Wed Sep 5 15:24:45 CEST 2007


Hi, 

I've notice the same thing with my Kworld ATSC-110.  
I'm running Ubuntu 7.10, 2.6.22-10-generic, x86_64.  I guess it is a
change in the 2.6.22 kernel.
Is there anyway to change this back so that QAM and NTSC inputs are the
same?

Thank you,
Nathan.

-----Original Message-----
From: linux-dvb-bounces at linuxtv.org
[mailto:linux-dvb-bounces at linuxtv.org] On Behalf Of Eric Sandeen
Sent: Saturday, August 25, 2007 7:29 PM
To: linux-dvb at linuxtv.org
Subject: Re: [linux-dvb] cx88-dvb: fix nxt200x rf input switching broke
my tuner? :)

Eric Sandeen wrote:
> hi, I have a Kworld ATSC 110 PCI DVB card,
> 
> 03:09.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135 
> Video Broadcast Decoder (rev f0)
>         Subsystem: KWorld Computer Co. Ltd. ATSC 110 Digital / Analog 
> HDTV Tuner
>         Flags: bus master, medium devsel, latency 55, IRQ 23
>         Memory at c4001000 (32-bit, non-prefetchable) [size=2K]
>         Capabilities: [40] Power Management version 2
> 
> It seems this fairly recent mod broke my ability to tune in QAM HDTV:
> 
> ---
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=com
> mitdiff;h=f5ae29e284b328e0976789d5c199bbbe80e4b005
> [PATCH] cx88-dvb: fix nxt200x rf input switching Michael Krufky [Sat, 
> 24 Mar 2007 17:21:53 +0000 (13:21 -0400)] After dvb tuner refactoring,

> the pllbuff has been altered such that the pll address is now stored 
> in buf[0].  Instead of sending buf to set_pll_input, we should send 
> buf+1.
> 
> ---

Ok, after much patient assistance from mkrufky, we sorted out that a
recent change meant that I had to switch physical inputs on my card -
that is, plugging the physical cable into the *other* card input (the
input closer to the center of pci card bracket) - makes everything happy
again...

Thanks,

-Eric

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