static int dvb_register(struct cx23885_tsport *port)
 {
        struct cx23885_dev *dev = port->dev;
+       struct cx23885_i2c *i2c_bus = NULL;
 
        /* init struct videobuf_dvb */
        port->dvb.name = dev->name;
        switch (dev->board) {
        case CX23885_BOARD_HAUPPAUGE_HVR1250:
        case CX23885_BOARD_HAUPPAUGE_HVR1800:
+               i2c_bus = &dev->i2c_bus[0];
                port->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_generic_config,
-                                               &dev->i2c_bus[0].i2c_adap);
+                                               &i2c_bus->i2c_adap);
                if (port->dvb.frontend != NULL) {
                        dvb_attach(mt2131_attach, port->dvb.frontend,
-                                  &dev->i2c_bus[0].i2c_adap,
+                                  &i2c_bus->i2c_adap,
                                   &hauppauge_generic_tunerconfig, 0);
                }
                break;
        case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
+               i2c_bus = &dev->i2c_bus[0];
                port->dvb.frontend = dvb_attach(s5h1409_attach,
                                                &hauppauge_hvr1800lp_config,
-                                               &dev->i2c_bus[0].i2c_adap);
+                                               &i2c_bus->i2c_adap);
                if (port->dvb.frontend != NULL) {
                        dvb_attach(mt2131_attach, port->dvb.frontend,
-                                  &dev->i2c_bus[0].i2c_adap,
+                                  &i2c_bus->i2c_adap,
                                   &hauppauge_generic_tunerconfig, 0);
                }
                break;
        case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
+               i2c_bus = &dev->i2c_bus[0];
                port->dvb.frontend = dvb_attach(lgdt330x_attach,
                                                &fusionhdtv_5_express,
-                                               &dev->i2c_bus[0].i2c_adap);
+                                               &i2c_bus->i2c_adap);
                if (port->dvb.frontend != NULL) {
-                       dvb_attach(dvb_pll_attach, port->dvb.frontend,
-                                  0x61, &dev->i2c_bus[0].i2c_adap,
-                                  DVB_PLL_LG_TDVS_H06XF);
+                       dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
+                                  &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
                }
                break;
        default:
        }
 
        /* Put the analog decoder in standby to keep it quiet */
-       /* Assumption here: analog decoder is only on i2c bus 0 */
-       cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
+       cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 
        /* register everything */
        return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,