staging: pi433: fix CamelCase for address_filtering enum

Fixes checkpatch warnings:

  CHECK: Avoid CamelCase: <filteringOff>
  CHECK: Avoid CamelCase: <nodeAddress>
  CHECK: Avoid CamelCase: <nodeOrBroadcastAddress>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/pi433/Documentation/pi433.txt

@@ -232,10 +232,10 @@ rf params:
 			     amount of bytes that were requested by the read request.
 		Attention: should be used in combination with sync, only
 	enable_address_filtering;
-		filteringOff		- no address filtering will take place
-		nodeAddress		- all telegrams, not matching the node
+		filtering_off		  - no address filtering will take place
+		node_address		  - all telegrams, not matching the node
 					    address will be internally discarded
-		nodeOrBroadcastAddress	- all telegrams, neither matching the
+		node_or_broadcast_address - all telegrams, neither matching the
 					    node, nor the broadcast address will
 					    be internally discarded
 		Attention: Sync option must be enabled in order to use this feature

drivers/staging/pi433/pi433_if.c

@@ -257,7 +257,7 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
 		payload_length = rx_cfg->fixed_message_length;
 		if (rx_cfg->enable_length_byte  == OPTION_ON)
 			payload_length++;
-		if (rx_cfg->enable_address_filtering != filteringOff)
+		if (rx_cfg->enable_address_filtering != filtering_off)
 			payload_length++;
 		ret = rf69_set_payload_length(dev->spi, payload_length);
 		if (ret < 0)
@@ -274,7 +274,7 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
 		if (ret < 0)
 			return ret;
 	}
-	if (rx_cfg->enable_address_filtering != filteringOff) {
+	if (rx_cfg->enable_address_filtering != filtering_off) {
 		ret = rf69_set_node_address(dev->spi, rx_cfg->node_address);
 		if (ret < 0)
 			return ret;
@@ -502,7 +502,7 @@ pi433_receive(void *data)
 	}
 
 	/* address byte enabled? */
-	if (dev->rx_cfg.enable_address_filtering != filteringOff) {
+	if (dev->rx_cfg.enable_address_filtering != filtering_off) {
 		u8 dummy;
 
 		bytes_total--;

drivers/staging/pi433/rf69.c

@@ -687,11 +687,11 @@ int rf69_disable_crc(struct spi_device *spi)
 int rf69_set_address_filtering(struct spi_device *spi, enum address_filtering address_filtering)
 {
 	switch (address_filtering) {
-	case filteringOff:
+	case filtering_off:
 		return rf69_read_mod_write(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_ADDRESSFILTERING, PACKETCONFIG1_ADDRESSFILTERING_OFF);
-	case nodeAddress:
+	case node_address:
 		return rf69_read_mod_write(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_ADDRESSFILTERING, PACKETCONFIG1_ADDRESSFILTERING_NODE);
-	case nodeOrBroadcastAddress:
+	case node_or_broadcast_address:
 		return rf69_read_mod_write(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_ADDRESSFILTERING, PACKETCONFIG1_ADDRESSFILTERING_NODEBROADCAST);
 	default:
 		dev_dbg(&spi->dev, "set: illegal input param");

drivers/staging/pi433/rf69_enum.h

@@ -129,9 +129,9 @@ enum tx_start_condition {
 };
 
 enum address_filtering {
-	filteringOff,
-	nodeAddress,
-	nodeOrBroadcastAddress
+	filtering_off,
+	node_address,
+	node_or_broadcast_address
 };
 
 enum dagc {