Temperature sensor works correctly only when accel and/or gyro
is turned on. Prevent polling value if they are not running.
Anyway it doesn't make sense to use it without sensor engines
on.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@xxxxxxxxxxxxxx>
---
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 750fbc2614f0..94a989368b94 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -597,6 +597,11 @@ static int inv_mpu6050_read_channel_data(struct iio_dev *indio_dev,
chan->channel2, val);
break;
case IIO_TEMP:
+ /* temperature sensor work only with accel and/or gyro */
+ if (!st->chip_config.accl_en && !st->chip_config.gyro_en) {
+ result = -EBUSY;
+ goto error_power_off;
+ }
if (!st->chip_config.temp_en) {
result = inv_mpu6050_switch_engine(st, true,
INV_MPU6050_SENSOR_TEMP);
--
2.17.1
