On 11/01/15 19:10, Irina Tirdea wrote: > Some devices export an estimation of the distance the user has covered > since the last reset. > > One of this devices is Freescale's MMA9553L > (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) > that computes the distance based on the stride length and step rate. > > Introduce a new channel type DISTANCE to export these values. > > Signed-off-by: Irina Tirdea <[email protected]> Applied to the togreg branch of iio.git - pushed out as testing for now.
> --- > Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++ > drivers/iio/industrialio-core.c | 1 + > include/linux/iio/types.h | 1 + > 3 files changed, 12 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio > b/Documentation/ABI/testing/sysfs-bus-iio > index 3311886..c627a9a 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -283,6 +283,7 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_accel_scale > What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale > What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_distance_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale > @@ -1059,6 +1060,15 @@ Description: > device (e.g.: human activity sensors report energy burnt by the > user). Units after application of scale are Joules. > > +What: /sys/.../iio:deviceX/in_distance_input > +What: /sys/.../iio:deviceX/in_distance_raw > +KernelVersion: 3.20 > +Contact: [email protected] > +Description: > + This attribute is used to read the distance covered by the user > + since the last reboot while activated. Units after application > + of scale are meters. > + > What: /sys/bus/iio/devices/iio:deviceX/store_eeprom > KernelVersion: 3.4.0 > Contact: [email protected] > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 8d2c9ba..655755b 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -73,6 +73,7 @@ static const char * const iio_chan_type_name_spec[] = { > [IIO_ACTIVITY] = "activity", > [IIO_STEPS] = "steps", > [IIO_ENERGY] = "energy", > + [IIO_DISTANCE] = "distance", > }; > > static const char * const iio_modifier_names[] = { > diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h > index 26b8a1c..a7de445 100644 > --- a/include/linux/iio/types.h > +++ b/include/linux/iio/types.h > @@ -33,6 +33,7 @@ enum iio_chan_type { > IIO_ACTIVITY, > IIO_STEPS, > IIO_ENERGY, > + IIO_DISTANCE, > }; > > enum iio_modifier { > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
