struct dst_state* state = (struct dst_state*) fe->demodulator_priv;
struct dst_state* state = fe->demodulator_priv;
static int dst_read_signal_strength(struct dvb_frontend* fe, u16* strength){	struct dst_state* state = (struct dst_state*) fe->demodulator_priv;	dst_get_signal(state);	*strength = state->decode_strength;	return 0;}