[linux-dvb] kworld atsc110 audio + misc

hermann pitton hermann.pitton at onlinehome.de
Fri Feb 24 05:45:08 CET 2006


Am Donnerstag, den 23.02.2006, 18:48 -0800 schrieb maillist:
> Bob wrote:
> 
> >Hi,
> >
> >I wanted to reply to Curt's list of issues with the Kworld ATSC110 card:
> >
> >1.  I am able to play back 1080i HDTV, both video and 5.1 spdif audio,
> >quite well.  As good as a borrowed 'reference' HD3000 card.
> >
> >2.  I too can't get digitized Analog TV station sound (not using the
> >loopback cable).  I've tried loading the saa7134-alsa module, but the
> >only message i get is a 'adding registered card (-1)'
> >message.   must be an alsa problem?  anyone get this to work? can't
> >seem to find any info on this module.
> >
> >3.  Would love to have IR working as well!
> >
> >This weekend I will give QAM a try, but not sure Comcast has any
> >non-encrypted channels left.
> >
> >
> >Thanks for everyone's hard work.  The dvb/v4l project is great!
> >
> >regards,
> >Bob
> >  
> >
> This is a copy of what I sent to Bob:
> 
> I think I was going down the wrong path on the IR Remote. What I 
> originally noticed is that the driver in windows is polling the GPIO 
> register. I figured that must be how it reads the bits coming in. In the 
> saa7134 code in the saa7134-ir.c (or was it saa7134-i2c.c) you see that 
> is supports polling. I went down that route but it wasn't making any 
> sense. So I went back and studied the logs a bit harder and now I see 
> that it sometimes reads from a device through the I2C port. I don't have 
> my notes with me at work so I can't tell you the address, but I see it 
> reads from an I2C device and gets a series of 0xFF data followed by 0x10 
> and then 0xFF again. This didn't at first seem helpful because I was 
> pressing two different keys, but later in the log I found an instance of 
> 0xFF, 0x11, 0xFF. So maybe it does mean something.
> 
> It is quite possible that the unknown part on the board, the KS007 part 
> is a microcontroller with code that handles the IR. I am going to try to 
> capture more tonight with my bus analyzer and push more buttons on the 
> remote than two.
> 
> Curt
> 


Hi,

you noticed what Henry has investigated so far on another such chip?

http://marc.theaimsgroup.com/?l=linux-video&m=113435030232464&w=2

Cheers,
Hermann





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