m920x_set_filter
if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x0)) != 0)
if ((ret = m920x_set_filter(d, 0x81 + i, 0, 0x02f5)) != 0)
static int m920x_set_filter(struct dvb_usb_device *d, int type, int idx, int pid);
if ((ret = m920x_set_filter(adap->dev, ep, 1, enabled)) != 0)
if ((ret = m920x_set_filter(adap->dev, ep, i + 2, 0)) != 0)
if ((ret = m920x_set_filter(adap->dev, ep, filter + 2, m->filters[adap->id][i])) != 0)