staging: pi433: fix CamelCase for thresholdDecrement

Fixes checkpatch warning:

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

drivers/staging/pi433/Documentation/pi433.txt

@@ -180,7 +180,7 @@ rf params:
 		threshold value for the signal strength on the receiver input.
 		If this value is exceeded, a reception cycle starts
 		Allowed values: 0...255
-	thresholdDecrement
+	threshold_decrement
 		in order to adapt to different levels of singnal strength, over
 		time the receiver gets more and more sensitive. This value
 		determs, how fast the sensitivity increases.

drivers/staging/pi433/pi433_if.h

@@ -115,7 +115,7 @@ struct pi433_rx_cfg {
 	enum modulation		modulation;
 
 	__u8			rssi_threshold;
-	enum thresholdDecrement	threshold_decrement;
+	enum threshold_decrement threshold_decrement;
 	enum antenna_impedance	antenna_impedance;
 	enum lnaGain		lna_gain;
 	enum mantisse		bw_mantisse;	/* normal: 0x50 */

drivers/staging/pi433/rf69.c

@@ -476,9 +476,9 @@ int rf69_set_bandwidth_during_afc(struct spi_device *spi, enum mantisse mantisse
 	return rf69_set_bandwidth_intern(spi, REG_AFCBW, mantisse, exponent);
 }
 
-int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement thresholdDecrement)
+int rf69_set_ook_threshold_dec(struct spi_device *spi, enum threshold_decrement threshold_decrement)
 {
-	switch (thresholdDecrement) {
+	switch (threshold_decrement) {
 	case dec_every8th:
 		return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESDEC, OOKPEAK_THRESHDEC_EVERY_8TH);
 	case dec_every4th:

drivers/staging/pi433/rf69.h

@@ -40,7 +40,7 @@ int rf69_set_antenna_impedance(struct spi_device *spi, enum antenna_impedance an
 int rf69_set_lna_gain(struct spi_device *spi, enum lnaGain lnaGain);
 int rf69_set_bandwidth(struct spi_device *spi, enum mantisse mantisse, u8 exponent);
 int rf69_set_bandwidth_during_afc(struct spi_device *spi, enum mantisse mantisse, u8 exponent);
-int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement thresholdDecrement);
+int rf69_set_ook_threshold_dec(struct spi_device *spi, enum threshold_decrement threshold_decrement);
 int rf69_set_dio_mapping(struct spi_device *spi, u8 DIONumber, u8 value);
 bool rf69_get_flag(struct spi_device *spi, enum flag flag);
 int rf69_set_rssi_threshold(struct spi_device *spi, u8 threshold);

drivers/staging/pi433/rf69_enum.h

@@ -82,7 +82,7 @@ enum mantisse {
 	mantisse24
 };
 
-enum thresholdDecrement {
+enum threshold_decrement {
 	dec_every8th,
 	dec_every4th,
 	dec_every2nd,