staging: pi433: remove unused rf69_set_ook_threshold_step function

Function rf69_set_ook_threshold_step is unused and should be removed
along with type enum thresholdStep which was used only by that function.

Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/pi433/rf69.c

@@ -473,23 +473,6 @@ int rf69_set_ook_threshold_type(struct spi_device *spi, enum thresholdType thres
 	}
 }
 
-int rf69_set_ook_threshold_step(struct spi_device *spi, enum thresholdStep thresholdStep)
-{
-	switch (thresholdStep) {
-	case step_0_5db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_0_5_DB);
-	case step_1_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_1_0_DB);
-	case step_1_5db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_1_5_DB);
-	case step_2_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_2_0_DB);
-	case step_3_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_3_0_DB);
-	case step_4_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_4_0_DB);
-	case step_5_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_5_0_DB);
-	case step_6_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_6_0_DB);
-	default:
-		dev_dbg(&spi->dev, "set: illegal input param");
-		return -EINVAL;
-	}
-}
-
 int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement thresholdDecrement)
 {
 	switch (thresholdDecrement) {

drivers/staging/pi433/rf69.h

@@ -44,7 +44,6 @@ int rf69_set_dc_cut_off_frequency_during_afc(struct spi_device *spi, enum dcc_pe
 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_type(struct spi_device *spi, enum thresholdType thresholdType);
-int rf69_set_ook_threshold_step(struct spi_device *spi, enum thresholdStep thresholdStep);
 int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement thresholdDecrement);
 int rf69_set_dio_mapping(struct spi_device *spi, u8 DIONumber, u8 value);
 bool rf69_get_flag(struct spi_device *spi, enum flag flag);

drivers/staging/pi433/rf69_enum.h

@@ -99,17 +99,6 @@ enum thresholdType {
 	average
 };
 
-enum thresholdStep {
-	step_0_5db,
-	step_1_0db,
-	step_1_5db,
-	step_2_0db,
-	step_3_0db,
-	step_4_0db,
-	step_5_0db,
-	step_6_0db
-};
-
 enum thresholdDecrement {
 	dec_every8th,
 	dec_every4th,