From 1b4a2242234579dd9560399d409f7c4ecf5f23a7 Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Thu, 14 Dec 2017 12:10:05 -0500
Subject: [PATCH] delete unused GYROIOCGHWLOWPASS

---
 src/drivers/bmi055/bmi055_gyro.cpp | 6 ------
 src/drivers/bmi160/bmi160.cpp      | 6 ------
 src/drivers/drv_gyro.h             | 3 ---
 src/drivers/mpu9250/mpu9250.cpp    | 6 ------
 4 files changed, 21 deletions(-)

diff --git a/src/drivers/bmi055/bmi055_gyro.cpp b/src/drivers/bmi055/bmi055_gyro.cpp
index eec6d250a8..e27e798e56 100644
--- a/src/drivers/bmi055/bmi055_gyro.cpp
+++ b/src/drivers/bmi055/bmi055_gyro.cpp
@@ -473,12 +473,6 @@ BMI055_gyro::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case GYROIOCSELFTEST:
 		return gyro_self_test();
 
-#ifdef GYROIOCGHWLOWPASS
-
-	case GYROIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);
diff --git a/src/drivers/bmi160/bmi160.cpp b/src/drivers/bmi160/bmi160.cpp
index 1ac50feafd..7f9ce9621b 100644
--- a/src/drivers/bmi160/bmi160.cpp
+++ b/src/drivers/bmi160/bmi160.cpp
@@ -824,12 +824,6 @@ BMI160::gyro_ioctl(struct file *filp, int cmd, unsigned long arg)
 	case GYROIOCSELFTEST:
 		return gyro_self_test();
 
-#ifdef GYROIOCGHWLOWPASS
-
-	case GYROIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);
diff --git a/src/drivers/drv_gyro.h b/src/drivers/drv_gyro.h
index 209f1030b8..de1951294b 100644
--- a/src/drivers/drv_gyro.h
+++ b/src/drivers/drv_gyro.h
@@ -100,9 +100,6 @@ struct gyro_calibration_s {
 /** check the status of the sensor */
 #define GYROIOCSELFTEST		_GYROIOC(8)
 
-/** get the hardware low-pass filter cut-off in Hz*/
-#define GYROIOCGHWLOWPASS	_GYROIOC(10)
-
 /** determine if hardware is external or onboard */
 #define GYROIOCGEXTERNAL	_GYROIOC(12)
 
diff --git a/src/drivers/mpu9250/mpu9250.cpp b/src/drivers/mpu9250/mpu9250.cpp
index 9159bdc1cb..fbbaa4c151 100644
--- a/src/drivers/mpu9250/mpu9250.cpp
+++ b/src/drivers/mpu9250/mpu9250.cpp
@@ -1004,12 +1004,6 @@ MPU9250::gyro_ioctl(struct file *filp, int cmd, unsigned long arg)
 	case GYROIOCSELFTEST:
 		return gyro_self_test();
 
-#ifdef GYROIOCGHWLOWPASS
-
-	case GYROIOCGHWLOWPASS:
-		return _dlpf_freq;
-#endif
-
 	default:
 		/* give it to the superclass */
 		return CDev::ioctl(filp, cmd, arg);