[linux-dvb] DVB-S 1.6: Grundig 29504-491 with TSA 5522 tuner chip.

["Dr. Werner Fink" <werner@suse.de>]

Hi,

      some questions for the real experts.  Accordingly to

http://www-us2.semiconductors.philips.com/acrobat/datasheets/TSA5522_2.pdf

the function tsa5522_set_tv_freq() in frontends/grundig_29504-491.c,
does not use the Charge-Pump bit CP in the third byte:

        u8 buf [4] = { (div >> 8) & 0x7f, div & 0xff, 0x8e, 0x00 };
                                                      ^^^^

with the CP bit high the value would be 0xce.  Is this intentional,
that means this make no sence on the DVB-S 1.6 tuner layout?
Or, which would be more a problem, would it be dangerous for the
DVB-S 1.6 hardware to set this bit high?

Also the last byte may have some values for the last three bits
enabled because table 6 of the pdf at page 7 does not know all
bits low.

Maybe a value 0x04 for 0.4Vcc1 (band B????) or something else
has to be set.


        Werner

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