Commit 74a40e19 authored Feb 19, 2020 by Jean-Baptiste Maneyrol Committed by Jonathan Cameron Mar 08, 2020

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>

parent 4599cac8

drivers/iio/imu/inv_mpu6050/inv_mpu_core.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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);

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