On Fri, 20 Apr 2018 21:31:37 +0200 David Veenstra <davidjulianveenstra@xxxxxxxxx> wrote: > The iio resolver drivers in staging use angle channels. This patch > add missing documentation for this type of channel. > > As was discussed in [1], radians is chosen as the unit, to match the > unit of angular velocity. > > [1] https://marc.info/?l=linux-driver-devel&m=152190078308330&w=2 > > Signed-off-by: David Veenstra <davidjulianveenstra@xxxxxxxxx> > --- > Change in v2: > - Introduces in this version. > > Documentation/ABI/testing/sysfs-bus-iio | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 6a5f34b4d5b9..8ad0e55f99ee 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -190,6 +190,15 @@ Description: > but should match other such assignments on device). > Units after application of scale and offset are m/s^2. > > +What: /sys/bus/iio/devices/iio:deviceX/in_angl_x_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_angl_y_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_angl_z_raw This surprised me. A resolver is not going to inherently have any notion of a particular axis. Would expect. in_angl_raw Jonathan > +KernelVersion: 4.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Angle about axis x, y or z (may be arbitrarily assigned). Units > + after application of scale and offset are radians. > + > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw > @@ -297,6 +306,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset > What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_offset > What: /sys/bus/iio/devices/iio:deviceX/in_magn_offset > What: /sys/bus/iio/devices/iio:deviceX/in_rot_offset > +What: /sys/bus/iio/devices/iio:deviceX/in_angl_offset > KernelVersion: 2.6.35 > Contact: linux-iio@xxxxxxxxxxxxxxx > Description: > @@ -350,6 +360,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale > What: /sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale > What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_scale > What: /sys/bus/iio/devices/iio:deviceX/in_countY_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale > KernelVersion: 2.6.35 > Contact: linux-iio@xxxxxxxxxxxxxxx > Description: -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
