When events and buffered reads is enabled simultaneously, and the first
event accours the interrupt pin stays high.
This can be reverted when we find a solution to allow events and
buffered reads simultaneously.
Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
---
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 +++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index ef579650fd52..94e8884a1db1 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -601,6 +601,9 @@ int st_lsm6dsx_update_fifo(struct st_lsm6dsx_sensor *sensor, bool enable)
struct st_lsm6dsx_hw *hw = sensor->hw;
int err;
+ if (hw->enable_event)
+ return -EBUSY;
+
mutex_lock(&hw->conf_lock);
if (hw->fifo_mode != ST_LSM6DSX_FIFO_BYPASS) {
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 470821b54933..fdc44ff9601b 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1277,6 +1277,9 @@ static int st_lsm6dsx_write_event_config(struct iio_dev *iio_dev,
if (type != IIO_EV_TYPE_THRESH)
return -EINVAL;
+ if (hw->fifo_mode != ST_LSM6DSX_FIFO_BYPASS)
+ return -EBUSY;
+
if (state && hw->enable_event)
return 0;
--
2.23.0
