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

Eric Sandeen sandeen at sandeen.net
Sun Aug 26 01:28:50 CEST 2007


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=commitdiff;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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