au8522_i2c_gate_ctrl
au8522_i2c_gate_ctrl(fe, 1);
EXPORT_SYMBOL(au8522_i2c_gate_ctrl);
au8522_i2c_gate_ctrl(&state->frontend, 1);
.i2c_gate_ctrl = au8522_i2c_gate_ctrl,
int au8522_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);