staging: pi433: fix CamelCase for packetFormat enum

Fixes checkpatch warnings:

  CHECK: Avoid CamelCase: <packetFormat>
  CHECK: Avoid CamelCase: <packetLengthFix>
  CHECK: Avoid CamelCase: <packetLengthVar>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/pi433/pi433_if.c

@@ -222,11 +222,11 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
 			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;
 	}
@@ -337,11 +337,11 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
 	}
 
 	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;
 	}

drivers/staging/pi433/rf69.c

@@ -661,12 +661,12 @@ int rf69_set_sync_values(struct spi_device *spi, u8 sync_values[8])
 	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");

drivers/staging/pi433/rf69.h

@@ -50,7 +50,7 @@ int rf69_disable_sync(struct spi_device *spi);
 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);

drivers/staging/pi433/rf69_enum.h

@@ -118,9 +118,9 @@ enum fifo_fill_condition {
 	always
 };
 
-enum packetFormat {
-	packetLengthFix,
-	packetLengthVar
+enum packet_format {
+	packet_length_fix,
+	packet_length_var
 };
 
 enum tx_start_condition {