return ret;
        }
        if (rx_cfg->enable_length_byte == OPTION_ON) {
-               ret = rf69_set_packet_format(dev->spi, packetLengthVar);
+               ret = rf69_set_packet_format(dev->spi, packet_length_var);
                if (ret < 0)
                        return ret;
        } else {
-               ret = rf69_set_packet_format(dev->spi, packetLengthFix);
+               ret = rf69_set_packet_format(dev->spi, packet_length_fix);
                if (ret < 0)
                        return ret;
        }
        }
 
        if (tx_cfg->enable_length_byte == OPTION_ON) {
-               ret = rf69_set_packet_format(dev->spi, packetLengthVar);
+               ret = rf69_set_packet_format(dev->spi, packet_length_var);
                if (ret < 0)
                        return ret;
        } else {
-               ret = rf69_set_packet_format(dev->spi, packetLengthFix);
+               ret = rf69_set_packet_format(dev->spi, packet_length_fix);
                if (ret < 0)
                        return ret;
        }
 
        return retval;
 }
 
-int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetFormat)
+int rf69_set_packet_format(struct spi_device *spi, enum packet_format packet_format)
 {
-       switch (packetFormat) {
-       case packetLengthVar:
+       switch (packet_format) {
+       case packet_length_var:
                return rf69_set_bit(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE);
-       case packetLengthFix:
+       case packet_length_fix:
                return rf69_clear_bit(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE);
        default:
                dev_dbg(&spi->dev, "set: illegal input param");
 
 int rf69_set_fifo_fill_condition(struct spi_device *spi, enum fifo_fill_condition fifo_fill_condition);
 int rf69_set_sync_size(struct spi_device *spi, u8 sync_size);
 int rf69_set_sync_values(struct spi_device *spi, u8 sync_values[8]);
-int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetFormat);
+int rf69_set_packet_format(struct spi_device *spi, enum packet_format packet_format);
 int rf69_enable_crc(struct spi_device *spi);
 int rf69_disable_crc(struct spi_device *spi);
 int rf69_set_address_filtering(struct spi_device *spi, enum address_filtering address_filtering);
 
        always
 };
 
-enum packetFormat {
-       packetLengthFix,
-       packetLengthVar
+enum packet_format {
+       packet_length_fix,
+       packet_length_var
 };
 
 enum tx_start_condition {