> this add ways for the SoC to wake from accelerometer wake events.
>
> In the suspend function we skip disabling the sensor if wakeup-source
> and events are activated.
>
> Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
> ---
> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> index 351c46f01662..59a34894e495 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> @@ -1076,6 +1076,10 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name,
> return err;
> }
>
> + if (dev->of_node)
> + if (of_property_read_bool(dev->of_node, "wakeup-source"))
> + device_init_wakeup(dev, true);
> +
> return 0;
> }
> EXPORT_SYMBOL(st_lsm6dsx_probe);
> @@ -1088,6 +1092,12 @@ static int __maybe_unused st_lsm6dsx_suspend(struct device *dev)
> int i, err = 0;
>
> for (i = 0; i < ST_LSM6DSX_ID_MAX; i++) {
> + if (device_may_wakeup(dev) && (i == ST_LSM6DSX_ID_ACC)) {
> + /* Enable wake from IRQ */
> + enable_irq_wake(hw->irq);
> + continue;
This is breaking buffering mode
> + }
> +
> sensor = iio_priv(hw->iio_devs[i]);
> if (!(hw->enable_mask & BIT(sensor->id)))
> continue;
> @@ -1112,6 +1122,11 @@ static int __maybe_unused st_lsm6dsx_resume(struct device *dev)
> int i, err = 0;
>
> for (i = 0; i < ST_LSM6DSX_ID_MAX; i++) {
> + if (device_may_wakeup(dev) && (i == ST_LSM6DSX_ID_ACC)) {
> + disable_irq_wake(hw->irq);
same here
> + continue;
> + }
> +
> sensor = iio_priv(hw->iio_devs[i]);
> if (!(hw->enable_mask & BIT(sensor->id)))
> continue;
> --
> 2.22.0
>
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