[v7 05/14] iio: document pitch, yaw, roll modifiers

[andrea.merello]

From: Andrea Merello <andrea.merello@xxxxxx>

Introduce ABI documentation for new modifiers used for reporting rotations
expressed as euler angles (i.e. yaw, pitch, roll).

It looks like we have some unit inconsistency along various IIO modifiers:
it seems that incli is in deg, angl is in radians and rot isn't documented,
but at least the adis16209 driver has rot in deg.

Here we use deg (so angl is the only one using radians).

Signed-off-by: Andrea Merello <andrea.merello@xxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index cc1fe672580f..f694a3653245 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2077,3 +2077,12 @@ Description:
 		individual channels. If multiple channels are enabled in a scan,
 		then the sampling_frequency of the scan may be computed from the
 		per channel sampling frequencies.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_rot_yaw_raw
+What:		/sys/bus/iio/devices/iio:deviceX/in_rot_pitch_raw
+What:		/sys/bus/iio/devices/iio:deviceX/in_rot_roll_raw
+KernelVersion:	6.1
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		Raw (unscaled) euler angles readings. Units after
+		application of scale are deg.
-- 
2.17.1