[linux-dvb] Support for DVB-C analog module

[Michael Hunold <hunold@convergence.de>]

Hi,

I just commited basic support for the analog-module of the DVB-C
to the "dvb-kernel" CVS tree.

Currently it's a real hack, with some magic numbers in it.

If the analog module is detected, the saa7113 is initialized and
some more v4l2 ioctls are available. you can use "xawtv" now to
switch between "dvb" and "analog" input. when you are one the
"analog" input, you can tune in analog channels with the cursor
keys via v4l2.

Currently, this is a big hack -- tuning is not mutually exclusive,
so "szap" and v4l2 tuning can interfere with each other. The
demodulator address is hardcoded to 0x09.

Some stuff does not work:
- analog audio does not work. does the msp3400 need to be reprogrammed?
- one field is "missing", so the picture is very bad and
capturing does not work neither. this needs to be investigated by
looking at the programming the windows driver uses for the saa7146

Anyway: if you have a DVB-C with an analog module, you can go ahead test 
it. Patches are always welcome. 8-)

CU
Michael.





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