On 02/10/14 14:43, Daniel Baluta wrote:
> From: Irina Tirdea <irina.tir...@intel.com>
>
> This event is needed for the step detection functionality of a pedometer:
> an interrupt is generated by the hardware device each time
> a step is detected.
>
> To support this, we add a new iio event.
>
> For more information on the pedometer requirements for Android see
> http://source.android.com/devices/sensors/composite_sensors.html#detector.
>
> A device that has the pedometer functionality this interface needs to
> support is Freescale's MMA9553L:
> http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf
>
> Signed-off-by: Irina Tirdea <irina.tir...@intel.com>
> Signed-off-by: Daniel Baluta <daniel.bal...@intel.com>
This could be more generic. Perhaps an 'instance' event?
If applied to our step type it would
be in_step_instance_en etc?
> ---
> Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++
> drivers/iio/industrialio-event.c | 1 +
> include/linux/iio/types.h | 1 +
> 3 files changed, 9 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio
> b/Documentation/ABI/testing/sysfs-bus-iio
> index c02785d..fd66073 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -815,6 +815,13 @@ Description:
> Enables or disables motion detection. Each time motion is
> detected an
> event of this type will be generated.
>
> +What: /sys/.../events/in_activity_step_detect_either_en
> +KernelVersion: 3.17
> +Contact: linux-...@vger.kernel.org
> +Description:
> + Enables or disables step detection. Each time the user takes a
> step an
> + event of this type will be generated.
> +
> What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger
> KernelVersion: 2.6.35
> Contact: linux-...@vger.kernel.org
> diff --git a/drivers/iio/industrialio-event.c
> b/drivers/iio/industrialio-event.c
> index eca5af2..c2ade1f 100644
> --- a/drivers/iio/industrialio-event.c
> +++ b/drivers/iio/industrialio-event.c
> @@ -198,6 +198,7 @@ static const char * const iio_ev_type_text[] = {
> [IIO_EV_TYPE_THRESH_ADAPTIVE] = "thresh_adaptive",
> [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive",
> [IIO_EV_TYPE_MOTION] = "motion",
> + [IIO_EV_TYPE_STEP_DETECT] = "step_detect",
> };
>
> static const char * const iio_ev_dir_text[] = {
> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> index ae51780..83768a6 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -75,6 +75,7 @@ enum iio_event_type {
> IIO_EV_TYPE_THRESH_ADAPTIVE,
> IIO_EV_TYPE_MAG_ADAPTIVE,
> IIO_EV_TYPE_MOTION,
> + IIO_EV_TYPE_STEP_DETECT,
> };
>
> enum iio_event_info {
>
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