delete unused ACCELIOCGLOWPASS

src/drivers/adis16448/adis16448.cpp

@@ -1121,9 +1121,6 @@ ADIS16448::ioctl(struct file *filp, int cmd, unsigned long arg)
 		_set_sample_rate(arg);
 		return OK;
 
-	case ACCELIOCGLOWPASS:
-		return _accel_filter_x.get_cutoff_freq();
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;

src/drivers/bma180/bma180.cpp

@@ -484,9 +484,6 @@ BMA180::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCGSAMPLERATE:
 		return 1200;		/* always operating in low-noise mode */
 
-	case ACCELIOCGLOWPASS:
-		return _current_lowpass;
-
 	case ACCELIOCSSCALE:
 		/* copy scale in */
 		memcpy(&_accel_scale, (struct accel_calibration_s *) arg, sizeof(_accel_scale));

src/drivers/bmi055/bmi055_accel.cpp

@@ -443,9 +443,6 @@ BMI055_accel::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCSSAMPLERATE:
 		return accel_set_sample_rate(arg);
 
-	case ACCELIOCGLOWPASS:
-		return _accel_filter_x.get_cutoff_freq();
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;

src/drivers/bmi160/bmi160.cpp

@@ -723,9 +723,6 @@ BMI160::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCSSAMPLERATE:
 		return accel_set_sample_rate(arg);
 
-	case ACCELIOCGLOWPASS:
-		return _accel_filter_x.get_cutoff_freq();
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;

src/drivers/drv_accel.h

@@ -82,9 +82,6 @@ struct accel_calibration_s {
 /** return the accel internal sample rate in Hz */
 #define ACCELIOCGSAMPLERATE	_ACCELIOC(1)
 
-/** return the accel internal lowpass filter in Hz */
-#define ACCELIOCGLOWPASS	_ACCELIOC(3)
-
 /** set the accel scaling constants to the structure pointed to by (arg) */
 #define ACCELIOCSSCALE		_ACCELIOC(5)
 

src/drivers/fxos8701cq/fxos8701cq.cpp

@@ -860,9 +860,6 @@ FXOS8701CQ::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCGSAMPLERATE:
 		return _accel_samplerate;
 
-	case ACCELIOCGLOWPASS:
-		return static_cast<int>(_accel_filter_x.get_cutoff_freq());
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;
@@ -1830,13 +1827,6 @@ test()
 
 	PX4_INFO("accel range: %8.4f m/s^2", (double)accel_report.range_m_s2);
 
-	if (PX4_ERROR == (ret = ioctl(fd_accel, ACCELIOCGLOWPASS, 0))) {
-		PX4_ERR("accel antialias filter bandwidth: fail");
-
-	} else {
-		PX4_INFO("accel antialias filter bandwidth: %d Hz", ret);
-	}
-
 	/* get the driver */
 	fd_mag = open(FXOS8701C_DEVICE_PATH_MAG, O_RDONLY);
 

src/drivers/lsm303d/lsm303d.cpp

@@ -929,9 +929,6 @@ LSM303D::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case ACCELIOCGSAMPLERATE:
 		return _accel_samplerate;
 
-	case ACCELIOCGLOWPASS:
-		return static_cast<int>(_accel_filter_x.get_cutoff_freq());
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;
@@ -1984,13 +1981,6 @@ test()
 
 	warnx("accel range: %8.4f m/s^2", (double)accel_report.range_m_s2);
 
-	if (PX4_ERROR == (ret = ioctl(fd_accel, ACCELIOCGLOWPASS, 0))) {
-		warnx("accel antialias filter bandwidth: fail");
-
-	} else {
-		warnx("accel antialias filter bandwidth: %d Hz", ret);
-	}
-
 	int fd_mag = -1;
 	struct mag_report m_report;
 

src/drivers/mpu6000/mpu6000.cpp

@@ -1482,9 +1482,6 @@ MPU6000::ioctl(struct file *filp, int cmd, unsigned long arg)
 		_set_sample_rate(arg);
 		return OK;
 
-	case ACCELIOCGLOWPASS:
-		return _accel_filter_x.get_cutoff_freq();
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;

src/drivers/mpu9250/mpu9250.cpp

@@ -898,9 +898,6 @@ MPU9250::ioctl(struct file *filp, int cmd, unsigned long arg)
 		_set_sample_rate(arg);
 		return OK;
 
-	case ACCELIOCGLOWPASS:
-		return _accel_filter_x.get_cutoff_freq();
-
 	case ACCELIOCSSCALE: {
 			/* copy scale, but only if off by a few percent */
 			struct accel_calibration_s *s = (struct accel_calibration_s *) arg;