On Mon, 11 May 2009 05:35:51 +0200
hermann pitton <[email protected]> wrote:
> Dmitri,
>
> Am Sonntag, den 10.05.2009, 08:52 +1000 schrieb Dmitri Belimov:
> > Hi All.
> >
> > > [snip]
> > > > >
> > > > > Channel designations I dug out of ivtv-tune:
> > > > >
> > > > > S38 439.250 MHz (European cable)
> > > > > H18 439.250 MHz (SECAM France)
> > > > > 47 440.250 MHz (PAL China)
> > > > > 059 440.250 MHz (PAL Argentina)
> > > > >
> > > > > come close, but are unaffected by the change from 442 to 441
> > > > > as the bandswitch cutover point. These channels fall right
> > > > > on top of the cutover, but are not affected by the proposed
> > > > > change in any meaningful way. The VHF-High filter and VCO
> > > > > would still be used. Dmitri's proposed change is a "don't
> > > > > care" unless the cutover point is changed to 440 MHz.
> > > > >
> > > > >
> > > > > Let's pretend that the proposed cutover point is 440 MHz.
> > >
> > > NO! it is not
> > >
> > > Dmitri,
> > >
> > > can you cut one off and tell us what it is all about ?
> > >
> > > Unless you do so, all other is pointless and I likely stop to
> > > participate in such stuff.
> >
> > Sorry my delay. I lost subject of discussion. What main question??
> >
> > 1. AGC TOP of RF part - I think need support for MK3
> > 2. Changing to 441MHz is not critical. We can write some
> > information about this case to Wiki or docs.
>
> for 2.: Discussed to the end if you stay at 441MHz. If you still want
> to have it in, just send a patch and no more info is needed. (Likely
> Andy is giving only examples for more difficult cases, sorry.)
This is my patch.
diff -r b40d628f830d linux/drivers/media/common/tuners/tuner-types.c
--- a/linux/drivers/media/common/tuners/tuner-types.c Fri Apr 24 01:46:41
2009 -0300
+++ b/linux/drivers/media/common/tuners/tuner-types.c Tue Apr 28 03:35:42
2009 +1000
@@ -558,8 +558,8 @@
static struct tuner_range tuner_fm1216me_mk3_pal_ranges[] = {
{ 16 * 158.00 /*MHz*/, 0x8e, 0x01, },
- { 16 * 442.00 /*MHz*/, 0x8e, 0x02, },
- { 16 * 999.99 , 0x8e, 0x04, },
+ { 16 * 441.00 /*MHz*/, 0x8e, 0x02, },
+ { 16 * 864.00 , 0x8e, 0x04, },
};
static struct tuner_params tuner_fm1216me_mk3_params[] = {
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <[email protected]>
> for 1.: I would like to be absolutely sure, that we are talking about
> the same tuner. I want to have the exact filters on it at least.
>
> 3.: That is what Andy noted. Following the Philips datasheet for TOP,
> it should be added for negative modulation, positive modulation and FM
> accordingly. (2 and 3 are out of discussion)
>
> If you still have some sort of Secam fire and can improve it, we must
> know the tuner you are on "exactly". If it is the original Philips,
> without any such TOP suggestions over the full range in recent
> datasheets (???), I assume you might have them, I would say you can
> proceed, if you have shown that you are really still on the same
> tuner.
Ok. I read the datasheet, make photos inside tuner.
With my best regards, Dmitry.
> Cheers,
> Hermann
>
>
>
>
>
>
diff -r b40d628f830d linux/drivers/media/common/tuners/tuner-types.c
--- a/linux/drivers/media/common/tuners/tuner-types.c Fri Apr 24 01:46:41 2009 -0300
+++ b/linux/drivers/media/common/tuners/tuner-types.c Tue Apr 28 03:35:42 2009 +1000
@@ -558,8 +558,8 @@
static struct tuner_range tuner_fm1216me_mk3_pal_ranges[] = {
{ 16 * 158.00 /*MHz*/, 0x8e, 0x01, },
- { 16 * 442.00 /*MHz*/, 0x8e, 0x02, },
- { 16 * 999.99 , 0x8e, 0x04, },
+ { 16 * 441.00 /*MHz*/, 0x8e, 0x02, },
+ { 16 * 864.00 , 0x8e, 0x04, },
};
static struct tuner_params tuner_fm1216me_mk3_params[] = {
Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <[email protected]>
