static int rtl2832u_frontend_callback(void *adapter_priv, int component, int cmd, int arg) { struct i2c_adapter *adap = adapter_priv; struct dvb_usb_device *d = i2c_get_adapdata(adap); switch (component) { case DVB_FRONTEND_COMPONENT_TUNER: return rtl2832u_tuner_callback(d, cmd, arg); default: break; } return -EINVAL; }
static int rtl2832u_frontend_callback(void *adapter_priv, int component, int cmd, int arg) { struct i2c_adapter *adap = adapter_priv; struct dvb_usb_device *d = i2c_get_adapdata(adap); dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n", __func__, component, cmd, arg); switch (component) { case DVB_FRONTEND_COMPONENT_TUNER: return rtl2832u_tuner_callback(d, cmd, arg); default: break; } return 0; }