staging: pi433: Combine all rf69_set_amplifier_x()

Replaces the functions rf69_set_amplifier_1, _2, _3 with two
functions: rf69_enable_amplifier(dev, amp_mask) and
rf69_disable_amplifier(dev, amp_mask).
Signed-off-by: Simon Sandström <simon@nikanor.nu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/pi433/pi433_if.c

@@ -1126,9 +1126,9 @@ static int pi433_probe(struct spi_device *spi)
 	/* setup the radio module */
 	SET_CHECKED(rf69_set_mode		(spi, standby));
 	SET_CHECKED(rf69_set_data_mode		(spi, DATAMODUL_MODE_PACKET));
-	SET_CHECKED(rf69_set_amplifier_0	(spi, OPTION_ON));
-	SET_CHECKED(rf69_set_amplifier_1	(spi, OPTION_OFF));
-	SET_CHECKED(rf69_set_amplifier_2	(spi, OPTION_OFF));
+	SET_CHECKED(rf69_enable_amplifier(spi, MASK_PALEVEL_PA0));
+	SET_CHECKED(rf69_disable_amplifier(spi, MASK_PALEVEL_PA1));
+	SET_CHECKED(rf69_disable_amplifier(spi, MASK_PALEVEL_PA2));
 	SET_CHECKED(rf69_set_output_power_level	(spi, 13));
 	SET_CHECKED(rf69_set_antenna_impedance	(spi, fiftyOhm));
 

drivers/staging/pi433/rf69.c

@@ -282,52 +282,14 @@ int rf69_set_frequency(struct spi_device *spi, u32 frequency)
 	return 0;
 }
 
-int rf69_set_amplifier_0(struct spi_device *spi,
-			 enum option_on_off option_on_off)
+int rf69_enable_amplifier(struct spi_device *spi, u8 amplifier_mask)
 {
-	#ifdef DEBUG
-		dev_dbg(&spi->dev, "set: amp #0");
-	#endif
-
-	switch (option_on_off) {
-	case OPTION_ON: return rf69_set_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA0);
-	case OPTION_OFF: return rf69_clear_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA0);
-	default:
-		dev_dbg(&spi->dev, "set: illegal input param");
-		return -EINVAL;
-	}
-}
-
-int rf69_set_amplifier_1(struct spi_device *spi,
-			 enum option_on_off option_on_off)
-{
-	#ifdef DEBUG
-		dev_dbg(&spi->dev, "set: amp #1");
-	#endif
-
-	switch (option_on_off) {
-	case OPTION_ON:	return rf69_set_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA1);
-	case OPTION_OFF: return rf69_clear_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA1);
-	default:
-		dev_dbg(&spi->dev, "set: illegal input param");
-		return -EINVAL;
-	}
+	return rf69_set_bit(spi, REG_PALEVEL, amplifier_mask);
 }
 
-int rf69_set_amplifier_2(struct spi_device *spi,
-			 enum option_on_off option_on_off)
+int rf69_disable_amplifier(struct spi_device *spi, u8 amplifier_mask)
 {
-	#ifdef DEBUG
-		dev_dbg(&spi->dev, "set: amp #2");
-	#endif
-
-	switch (option_on_off) {
-	case OPTION_ON: return rf69_set_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA2);
-	case OPTION_OFF: return rf69_clear_bit(spi, REG_PALEVEL, MASK_PALEVEL_PA2);
-	default:
-		dev_dbg(&spi->dev, "set: illegal input param");
-		return -EINVAL;
-	}
+	return rf69_clear_bit(spi, REG_PALEVEL, amplifier_mask);
 }
 
 int rf69_set_output_power_level(struct spi_device *spi, u8 powerLevel)

drivers/staging/pi433/rf69.h

@@ -33,12 +33,8 @@ int rf69_set_modulation_shaping(struct spi_device *spi, enum mod_shaping mod_sha
 int rf69_set_bit_rate(struct spi_device *spi, u16 bitRate);
 int rf69_set_deviation(struct spi_device *spi, u32 deviation);
 int rf69_set_frequency(struct spi_device *spi, u32 frequency);
-int rf69_set_amplifier_0(struct spi_device *spi,
-			 enum option_on_off option_on_off);
-int rf69_set_amplifier_1(struct spi_device *spi,
-			 enum option_on_off option_on_off);
-int rf69_set_amplifier_2(struct spi_device *spi,
-			 enum option_on_off option_on_off);
+int rf69_enable_amplifier(struct spi_device *spi, u8 amplifier_mask);
+int rf69_disable_amplifier(struct spi_device *spi, u8 amplifier_mask);
 int rf69_set_output_power_level(struct spi_device *spi, u8 powerLevel);
 int rf69_set_pa_ramp(struct spi_device *spi, enum paRamp paRamp);
 int rf69_set_antenna_impedance(struct spi_device *spi, enum antennaImpedance antennaImpedance);