Function prototype or declaration at include/linux/iio/trigger.h, line 140 References: drivers/iio/accel/bma180.c, line 563 drivers/iio/accel/kxcjk-1013.c, line 633 drivers/iio/adc/max1027.c, line 464 drivers/iio/common/st_sensors/st_sensors_trigger.c, line 35 drivers/iio/gyro/itg3200_buffer.c, line 119 drivers/iio/imu/adis_trigger.c, line 51 drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c, line 126 drivers/iio/industrialio-trigger.c, line 134 drivers/iio/industrialio-trigger.c, line 139 include/linux/iio/trigger.h, line 140