Sensor: Correct flush function for different types of sensors

JIRA: MARVIN-239

Fix bug in flush function for sensors:
1. for One-Shot sensor, return -EINVAL;
2. for sensors not using FIFO, return flush complete event;
3. for sensors using FIFO, flush data in FIFO.

Change-Id: I3e35a9be39150d2ca2be0166b516a722df8fefda
Signed-off-by: Fei Li <feix.f.li@intel.com>
Reviewed-on: https://android.intel.com/376695
Reviewed-by: Pujol, Benjamin <benjamin.pujol@intel.com>
2 files changed
tree: 88b4777b16b4bb3255699cc51588825f5dd9092b
  1. als/
  2. libsensors_iio/
  3. tilt/
  4. Android.mk