On 02/10/14 14:43, Daniel Baluta wrote: > From: Irina Tirdea <irina.tirdea@xxxxxxxxx> > > 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.tirdea@xxxxxxxxx> > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxxxx> 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-iio@xxxxxxxxxxxxxxx > +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-iio@xxxxxxxxxxxxxxx > 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 { > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
