| Message ID | 20190904091732.112281-6-sean@geanix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,1/6] iio: imu: st_lsm6dsx: move interrupt thread to core | expand |
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 2114c3c78888..7d0850df0a5e 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;
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@geanix.com> --- 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(+)