[linux-dvb] Switching Modulation type

[Holger Waechtler]

Rusty Scott wrote:

>I'm looking at supporting VSB and QAM on the same card, however it appears that
>modulation type is munged into a union dependant on what type of modulation you
>already expect.  Am I missing something? (granted I am fairly new to the DVB
>driver world)  Is there some other mechanism I haven't found yet that is used
>for changing modulation types other than the struct dvb_frontend_parameters
>stuff?
>  
>

The union type does not specifies the modulation but rather the network 
type (DVB-S, DVB-T or DVB-C style). Your way out is probably to add a 
new ATSC union member containing the parameter set you need. Please send 
us a patch.

Holger