Date: Thu, 20 Mar 1997 01:04:39 -0500 From: "Louis A. Mamakos" <louie@TransSys.COM> To: Steve Passe <smp@csn.net> Cc: multimedia@FreeBSD.ORG Subject: Re: Changes for Audio control on the bt848 code Message-ID: <199703200604.BAA02851@whizzo.transsys.com> In-Reply-To: Your message of "Wed, 19 Mar 1997 17:15:43 MST." <199703200015.RAA01712@Ilsa.StevesCafe.com> References: <199703200015.RAA01712@Ilsa.StevesCafe.com>
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I noticed that my WinCast/TV dbx board doesn't work with Mike's modifications either - I'm sure that the audio goo is somewhat different than the base version. I was talking to Mike about this today at lunch, and decided to attack it the "brute force" way. I added a pair of ioctl functions to get and set the GPIO port on the Bt848. I then proceeded to toss obvious sorts of bit patterns at it to see if I could provoke it into working. Unfortunately, there seems to be more going on here that this approach didn't produce any useful results. I think I may have to dig up docs on the chips they use to see if there's some sort of programming/setup required. I also tried following the traces on the board, but didn't get very far. It sounds like your eyesight is doing better than mine, judging from how far you managed to trace stuff :-) The other extreme notion is to call Hauppauge, and see if they're willing to cough up some info which would help them sell some more boards... we'll see how that goes. louie
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