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-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_core.c3
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c3
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h7
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 5396dde919a7..1578493f6105 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -151,7 +151,8 @@ int inv_mpu6050_set_power_itg(struct inv_mpu6050_state *st, bool power_on)
return result;
if (power_on)
- msleep(INV_MPU6050_REG_UP_TIME);
+ usleep_range(INV_MPU6050_REG_UP_TIME_MIN,
+ INV_MPU6050_REG_UP_TIME_MAX);
return 0;
}
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 71bdaa33cd05..8d2b74eaa8b6 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -68,7 +68,8 @@ static int inv_mpu6050_select_bypass(struct i2c_adapter *adap, void *mux_priv,
if (ret)
goto write_error;
- msleep(INV_MPU6050_REG_UP_TIME);
+ usleep_range(INV_MPU6050_REG_UP_TIME_MIN,
+ INV_MPU6050_REG_UP_TIME_MAX);
}
if (!ret) {
st->powerup_count++;
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index fcc2f3dfdfa8..243324dd78de 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -172,10 +172,15 @@ struct inv_mpu6050_state {
#define INV_MPU6050_BYTES_PER_3AXIS_SENSOR 6
#define INV_MPU6050_FIFO_COUNT_BYTE 2
#define INV_MPU6050_FIFO_THRESHOLD 500
+
+/* delay time in milliseconds */
#define INV_MPU6050_POWER_UP_TIME 100
#define INV_MPU6050_TEMP_UP_TIME 100
#define INV_MPU6050_SENSOR_UP_TIME 30
-#define INV_MPU6050_REG_UP_TIME 5
+
+/* delay time in microseconds */
+#define INV_MPU6050_REG_UP_TIME_MIN 5000
+#define INV_MPU6050_REG_UP_TIME_MAX 10000
#define INV_MPU6050_TEMP_OFFSET 12421
#define INV_MPU6050_TEMP_SCALE 2941