iio: document linear acceleration modifiers

Introduce ABI documentation for new IIO modifiers used for reporting
"linear acceleration" measures.

Signed-off-by: Andrea Merello <andrea.merello@iit.it>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220907132205.28021-3-andrea.merello@iit.it
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 66e81c4..3f2a928 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -260,6 +260,15 @@ Description:
                Has all of the equivalent parameters as per voltageY. Units
                after application of scale and offset are m/s^2.
 
+What:          /sys/bus/iio/devices/iio:deviceX/in_accel_linear_x_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_accel_linear_y_raw
+What:          /sys/bus/iio/devices/iio:deviceX/in_accel_linear_z_raw
+KernelVersion: 6.1
+Contact:       linux-iio@vger.kernel.org
+Description:
+               As per in_accel_X_raw attributes, but minus the
+               acceleration due to gravity.
+
 What:          /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw
 What:          /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw
 What:          /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw