Hi, On Sun, 2005-09-18 at 17:44 +0200, Hans Verkuil wrote: > OK, I think I've fixed the problem of missing sound on the PVR150/500. Please > update to the latest svn and try again. Besides some bug fixes the main cause > seems to be the initialization of the Delay Lock Loops. If I understand the > datasheet correctly these DLLs are responsible for the timings in the Luma > ADC and the Audio Decoder. > > The initialization sequence should ensure that no false lock is detected but > the old sequence in the driver differs substantially from what Hauppauge > does, which in turn is much closer to the recommended procedure from the > datasheet. I suspect that sometimes, possibly depending on all kinds of > environmental factors (e.g. interference), a false lock is detected and the > audio decoder effectively no longer works. I also suspect that the old > sequence was unable to properly force a new attempt to lock, so if was wrong > from the start, it stayed wrong. It also explains why some people could make > it work by first running the Hauppauge driver and then soft boot to linux: > the Hauppauge driver forces the correct DLL which remained correct in linux. > > But the proof of the pudding is in the eating: so please test! > > I'm keeping my fingers crossed, > > Hans >
Works perfectly here PAL PVR-350 and 500 combo, sound and picture on all tuners without "ivtvctl -q 1" . No module params. Tor Arne ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ ivtv-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ivtv-devel
