On Sunday 03 December 2006 02:47, Andy Walls wrote:
> On Sat, 2006-12-02 at 21:43 +0100, Hans Verkuil wrote:
> > > 2: a. Your one-liner to tuner-simple.c
> > > b. Remove tuner_lg_ntsc_tape_params[] from tuner-types.c
> > > c. Changing tuners[TUNER_LG_NTSC_TAPE] in tuner-types.c
> > > to refer to tuner_fm1236_mk3_params[].
> >
> > Yes, this is the best solution.
> >
> > I've attached a patch for option 2. Let me know if this is OK by
> > you and I'll submit it.
>
> It's OK by me, please submit it.
OK, will do.
>
> I even double checked via experiment the change to tuner_stereo(),
> and that empirically appears to be correct as well despite what the
> TAPE-H091F datasheet says!
>
> I was concerned because according to the TAPE-H091F datasheet, AFC
> voltage level from the TDA9887 is present on the TUNER_SIGNAL bits,
> not stereo indication. See the last sentence on page 2 and the bottom
> half of page 13 of the TAPE-H091F datasheet.
>
> After experimentation with the only 5 FM mono stations available
> near me and numerous stereo stations, I will tentatively conclude
> conclude that stereo indication is indeed on the TUNER_SIGNAL
> bits with a value of TUNER_STEREO_MK3 for the TAPE-H0x1x tuners,
> and not AFC voltage.
This tuner seems to be a straight copy or rebranding of the Philips
tuner. The PAL variant of this tuner maps in fact directly to the
Philips tuner, but apparently nobody realized at the time that that was
also true for this NTSC tuner.
Thanks,
Hans
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