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| author |   Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> | 2020-02-19 15:39:58 +0100 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-03-08 17:28:40 +0000 |
| commit | 74a40e19f9db6606b5263aa08af2c684dd67b3d3 (patch) | |
| tree | 5d145d254aa2f815e1b896ce4efeb96f5c657e16 /drivers/iio/imu/inv_mpu6050 | |
| parent | iio: imu: inv_mpu6050: use runtime pm with autosuspend (diff) | |
| download | linux-dev-74a40e19f9db6606b5263aa08af2c684dd67b3d3.tar.xz linux-dev-74a40e19f9db6606b5263aa08af2c684dd67b3d3.zip | |
iio: imu: inv_mpu6050: temperature only work with accel/gyro
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@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu/inv_mpu6050')
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 56e5731eb7de..7cb9ff3d3e94 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -598,6 +598,11 @@ 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); |