On Thu, 17 Feb 2022 17:27:05 +0100 Andrea Merello <andrea.merello@xxxxxxxxx> wrote: > This patch adds ABI documentation for bno055 driver private sysfs > attributes. > > Signed-off-by: Andrea Merello <andrea.merello@xxxxxx> > --- > .../ABI/testing/sysfs-bus-iio-bno055 | 81 +++++++++++++++++++ > 1 file changed, 81 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-bno055 > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-bno055 b/Documentation/ABI/testing/sysfs-bus-iio-bno055 > new file mode 100644 > index 000000000000..c239276f2b0f > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-iio-bno055 > @@ -0,0 +1,81 @@ > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_raw_range > +KernelVersion: 5.17 Update this to 5.18 as hopefully we'll resolve remaining questions in time to make the merge window. > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Range for acceleration readings in m/s^2. If it is in m/s^2 then we need to not call it _raw_ as that implies application of offset and scale. I didn't think this through in earlier discussion... If it's in m/s^2 then in_accel_input_range would be appropriate. Same for the other similar cases that follow. > Note that this does > + not affects the scale (which should be used when changing the > + maximum and minimum readable value affects also the reading > + scaling factor). > + > +What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_raw_range > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Range for angular velocity readings in radians per second. Note > + that this does not affects the scale (which should be used when > + changing the maximum and minimum readable value affects also the > + reading scaling factor). > + > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_raw_range_available > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + List of allowed values for in_accel_raw_range attribute > + > +What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_raw_range_available > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + List of allowed values for in_anglvel_raw_range attribute > + > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_calibration_fast_enable > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Can be 1 or 0. Enables/disables the "Fast Magnetometer > + Calibration" HW function. > + > +What: /sys/bus/iio/devices/iio:deviceX/fusion_enable > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Can be 1 or 0. Enables/disables the "sensor fusion" (a.k.a. > + NDOF) HW function. > + > +What: /sys/bus/iio/devices/iio:deviceX/calibration_data > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Reports the binary calibration data blob for the IMU sensors. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_accel_calibration_auto_status > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Reports the autocalibration status for the accelerometer sensor. > + Can be 0 (calibration non even enabled) or 1 to 5 where the greater > + the number, the better the calibration status. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_gyro_calibration_auto_status > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Reports the autocalibration status for the gyroscope sensor. > + Can be 0 (calibration non even enabled) or 1 to 5 where the greater > + the number, the better the calibration status. > + > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_calibration_auto_status > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Reports the autocalibration status for the magnetometer sensor. > + Can be 0 (calibration non even enabled) or 1 to 5 where the greater > + the number, the better the calibration status. > + > +What: /sys/bus/iio/devices/iio:deviceX/sys_calibration_auto_status > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + Reports the status for the IMU overall autocalibration. > + Can be 0 (calibration non even enabled) or 1 to 5 where the greater > + the number, the better the calibration status.
