.ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x02,
                .norm = V4L2_STD_PAL,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x32,
                .norm = V4L2_STD_NTSC,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x1c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x02,
                .norm = V4L2_STD_PAL,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x1c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x02,
                .norm = V4L2_STD_PAL,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x02,
                .norm = V4L2_STD_PAL,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x32,
                .norm = V4L2_STD_NTSC,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x0e,
                .norm = V4L2_STD_NTSC,
                .tuner_scl_gpio = -1,
                .tuner_sda_gpio = -1,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 2,
-               .demod_i2c_master = 1,
-               .ir_i2c_master = 2,
+               .tuner_i2c_master = I2C_2,
+               .demod_i2c_master = I2C_1,
+               .ir_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x10,
                .norm = V4L2_STD_PAL_M,
                .tuner_scl_gpio = -1,
                .tuner_sda_gpio = -1,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 2,
-               .demod_i2c_master = 1,
-               .ir_i2c_master = 2,
+               .tuner_i2c_master = I2C_2,
+               .demod_i2c_master = I2C_1,
+               .ir_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x10,
                .norm = V4L2_STD_NTSC_M,
                .tuner_scl_gpio = -1,
                .tuner_sda_gpio = -1,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 2,
-               .demod_i2c_master = 1,
-               .ir_i2c_master = 2,
+               .tuner_i2c_master = I2C_2,
+               .demod_i2c_master = I2C_1,
+               .ir_i2c_master = I2C_2,
                .rc_map_name = RC_MAP_PIXELVIEW_002T,
                .has_dvb = 1,
                .demod_addr = 0x10,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
+               .tuner_i2c_master = I2C_1,
                .norm = V4L2_STD_PAL,
 
                .input = {{
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
+               .tuner_i2c_master = I2C_1,
                .norm = V4L2_STD_NTSC,
 
                .input = {{
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x0e,
                .norm = V4L2_STD_PAL,
                .ctl_pin_status_mask = 0xFFFFFFC4,
                .agc_analog_digital_select_gpio = 0x0c,
                .gpio_pin_status_mask = 0x4001000,
-               .tuner_i2c_master = 1,
-               .demod_i2c_master = 2,
+               .tuner_i2c_master = I2C_1,
+               .demod_i2c_master = I2C_2,
                .has_dvb = 1,
                .demod_addr = 0x0e,
                .norm = V4L2_STD_PAL,
        /* request some modules */
        if (dev->board.decoder == CX231XX_AVDECODER) {
                dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
-                                       &dev->i2c_bus[0].i2c_adap,
+                                       &dev->i2c_bus[I2C_0].i2c_adap,
                                        "cx25840", 0x88 >> 1, NULL);
                if (dev->sd_cx25840 == NULL)
                        cx231xx_info("cx25840 subdev registration failure\n");
                        struct i2c_client client;
 
                        memset(&client, 0, sizeof(client));
-                       client.adapter = &dev->i2c_bus[1].i2c_adap;
+                       client.adapter = &dev->i2c_bus[I2C_1].i2c_adap;
                        client.addr = 0xa0 >> 1;
 
                        read_eeprom(dev, &client, eeprom, sizeof(eeprom));