/* packet format */
        enum option_on_off      enable_sync;
-       enum option_on_off      enable_length_byte;       /* should be used in combination with sync, only */
-       enum address_filtering  enable_address_filtering; /* operational with sync, only */
-       enum option_on_off      enable_crc;               /* only operational, if sync on and fixed length or length byte is used */
+
+       /* should be used in combination with sync, only */
+       enum option_on_off      enable_length_byte;
+
+       /* operational with sync, only */
+       enum address_filtering  enable_address_filtering;
+
+       /* only operational, if sync on and fixed length or length byte is used */
+       enum option_on_off      enable_crc;
 
        __u8                    sync_length;
        __u8                    fixed_message_length;
        __u8                    broadcast_address;
 };
 
-#define PI433_IOC_MAGIC                        'r'
+#define PI433_IOC_MAGIC        'r'
 
-#define PI433_IOC_RD_TX_CFG    _IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
-#define PI433_IOC_WR_TX_CFG    _IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
+#define PI433_IOC_RD_TX_CFG                                             \
+       _IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
+#define PI433_IOC_WR_TX_CFG                                             \
+       _IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
 
-#define PI433_IOC_RD_RX_CFG    _IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
-#define PI433_IOC_WR_RX_CFG    _IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
+#define PI433_IOC_RD_RX_CFG                                             \
+       _IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
+#define PI433_IOC_WR_RX_CFG                                             \
+       _IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
 
 #endif /* PI433_H */