diff options
Diffstat (limited to 'drivers/iio/imu')
-rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c index f7b5a70be30f..de8ed1446d60 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c @@ -11,6 +11,16 @@ static unsigned int inv_scan_query_mpu6050(struct iio_dev *indio_dev) struct inv_mpu6050_state *st = iio_priv(indio_dev); unsigned int mask; + /* + * If the MPU6050 is just used as a trigger, then the scan mask + * is not allocated so we simply enable the temperature channel + * as a dummy and bail out. + */ + if (!indio_dev->active_scan_mask) { + st->chip_config.temp_fifo_enable = true; + return INV_MPU6050_SENSOR_TEMP; + } + st->chip_config.gyro_fifo_enable = test_bit(INV_MPU6050_SCAN_GYRO_X, indio_dev->active_scan_mask) || |