commit b4065fdea50997dc485ab9a4b16266650c156b36
author Mark Salyzyn <salyzyn@google.com> Wed Sep 10 15:38:35 2014 -0700
committer Mark Salyzyn <salyzyn@google.com> Sun Sep 14 09:54:01 2014 -0700
tree 290238fa58d2707f6a15bce98d2ce4bcbd5ce1a8
parent 6a9192470eceac080b9d84081dac0c98e2362fe9

Manta: libsensors_iio: limit 200Hz sampling rate

Bug: 14121320
Change-Id: I8b7e036cd2dc4ea01c245ba6051a90f9a5530702

60xx/libsensors_iio/MPLSensor.cpp

diff --git a/60xx/libsensors_iio/MPLSensor.cpp b/60xx/libsensors_iio/MPLSensor.cpp
index b5b9e47..f1ec9ea 100644
--- a/60xx/libsensors_iio/MPLSensor.cpp
+++ b/60xx/libsensors_iio/MPLSensor.cpp
@@ -1500,16 +1500,11 @@
     LOGV_IF(PROCESS_VERBOSE, "setDelay : %llu ns, (%.2f Hz)", ns, 1000000000.f / ns);
 
     // limit all rates to reasonable ones */
-/*
-    if (ns < 10000000LL) {
-        ns = 10000000LL;
-    }
-*/
     if (ns < 5000000LL) {
         ns = 5000000LL;
     }
 
-    /* store request rate to mDelays arrary for each sensor */
+    /* store request rate to mDelays array for each sensor */
     mDelays[what] = ns;
 
     switch (what) {
@@ -2152,7 +2147,7 @@
         //Enable DMP orientation
         if (write_sysfs_int(mpu.display_orientation_on, en) < 0) {
             LOGE("HAL:ERR can't enable Android orientation");
-            res = -1;	// indicate an err
+            res = -1; // indicate an err
         }
 
         // open DMP Orient Fd

60xx/libsensors_iio/sensor_params.h

diff --git a/60xx/libsensors_iio/sensor_params.h b/60xx/libsensors_iio/sensor_params.h
index 39e3e5c..eef0b3b 100644
--- a/60xx/libsensors_iio/sensor_params.h
+++ b/60xx/libsensors_iio/sensor_params.h
@@ -156,7 +156,7 @@
 #define ACCEL_MPU6050_RANGE             (2.f * GRAVITY_EARTH)

 #define ACCEL_MPU6050_RESOLUTION        (0.004f * GRAVITY_EARTH)

 #define ACCEL_MPU6050_POWER             (0.f)

-#define ACCEL_MPU6050_MINDELAY          (1000)

+#define ACCEL_MPU6050_MINDELAY          (5000)

 /******************************************/

 //GYRO MPU3050

 #define RAD_P_DEG                       (3.14159f / 180.f)

@@ -168,7 +168,7 @@
 #define GYRO_MPU6050_RANGE              (2000.f * RAD_P_DEG)

 #define GYRO_MPU6050_RESOLUTION         (2000.f / 32768.f * RAD_P_DEG)

 #define GYRO_MPU6050_POWER              (5.5f)

-#define GYRO_MPU6050_MINDELAY           (1000)

+#define GYRO_MPU6050_MINDELAY           (5000)

 //GYRO MPU9150

 #define GYRO_MPU9150_RANGE              (2000.f * RAD_P_DEG)

 #define GYRO_MPU9150_RESOLUTION         (2000.f / 32768.f * RAD_P_DEG)