au8522_if_freq 47 drivers/media/dvb-frontends/au8522.h enum au8522_if_freq vsb_if; au8522_if_freq 48 drivers/media/dvb-frontends/au8522.h enum au8522_if_freq qam_if; au8522_if_freq 232 drivers/media/dvb-frontends/au8522_dig.c static int au8522_set_if(struct dvb_frontend *fe, enum au8522_if_freq if_freq)