delete unused IOCTL MAGIOCGRANGE

src/drivers/drv_mag.h

@@ -78,9 +78,6 @@ struct mag_calibration_s {
 /** set the measurement range to handle (at least) arg Gauss */
 #define MAGIOCSRANGE		_MAGIOC(6)
 
-/** return the current mag measurement range in Gauss */
-#define MAGIOCGRANGE		_MAGIOC(7)
-
 /** perform self-calibration, update scale factors to canonical units */
 #define MAGIOCCALIBRATE		_MAGIOC(8)
 

src/drivers/imu/adis16448/adis16448.cpp

@@ -1167,9 +1167,6 @@ ADIS16448::mag_ioctl(struct file *filp, int cmd, unsigned long arg)
 		memcpy((struct mag_calibration_s *) arg, &_mag_scale, sizeof(_mag_scale));
 		return OK;
 
-	case MAGIOCGRANGE:
-		return (unsigned long)(_mag_range_mgauss);
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);

src/drivers/magnetometer/hmc5883/hmc5883.cpp

@@ -700,9 +700,6 @@ HMC5883::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case MAGIOCSRANGE:
 		return set_range(arg);
 
-	case MAGIOCGRANGE:
-		return _range_ga;
-
 	case MAGIOCSSCALE:
 		/* set new scale factors */
 		memcpy(&_scale, (struct mag_calibration_s *)arg, sizeof(_scale));

src/drivers/magnetometer/lis3mdl/lis3mdl.cpp

@@ -587,9 +587,6 @@ LIS3MDL::ioctl(struct file *file_pointer, int cmd, unsigned long arg)
 	case MAGIOCSRANGE:
 		return set_range(arg);
 
-	case MAGIOCGRANGE:
-		return _range_ga;
-
 	case MAGIOCSSCALE:
 		/* set new scale factors */
 		memcpy(&_scale, (struct mag_calibration_s *)arg, sizeof(_scale));

src/drivers/magnetometer/rm3100/rm3100.cpp

@@ -449,10 +449,6 @@ RM3100::ioctl(struct file *file_pointer, int cmd, unsigned long arg)
 		/* field measurement range cannot be configured for this sensor (8 Gauss) */
 		return OK;
 
-	case MAGIOCGRANGE:
-		/* field measurement range cannot be configured for this sensor (8 Gauss) */
-		return 8;
-
 	case MAGIOCSSCALE:
 		/* set new scale factors */
 		memcpy(&_scale, (struct mag_calibration_s *)arg, sizeof(_scale));