Date: Tue, 15 Apr 1997 19:35:40 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: multimedia@freebsd.org Subject: Re: Sync locking problem with Bt848 ? Message-ID: <199704160235.TAA13431@rah.star-gate.com> In-Reply-To: Your message of "Mon, 14 Apr 1997 19:08:39 %2B0200." <199704141708.TAA26774@labinfo.iet.unipi.it>
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Try setting or clearing the following bit: bt848->adc | BT848_ADC_SYNC_T thats bt848 register 0x68 bit 5. Cheers, Amancio >From The Desk Of Luigi Rizzo : > Hi, > > I have the Bt848 driver working with a Hauppauge board. I am testing it > with the tuner input (I am in a PAL/50Hz country) and notice that > either the tuner has a poor sensitivity (but the audio comes out with > very good qualyty -- I know it is less critical...) or the Bt848 is a > bit critical in locking into the sync, unless the signal is very strong. > > In the meteor driver there were parameters (different for 50 and > 60Hz) to locate precisely the position of sync pulses . Is there > anything similar for the Bt848 ? Can someone send me a copy of the > relevant info so that I can try to patch the driver ? > > Thanks > Luigi > -----------------------------+-------------------------------------- > Luigi Rizzo | Dip. di Ingegneria dell'Informazione > email: luigi@iet.unipi.it | Universita' di Pisa > tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) > fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ > _____________________________|______________________________________
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