iio: documentation: Add ABI documentation for *_mean_raw

Add ABI documentation for in_*_mean_raw files, which are
already supported and used in the kernel for some time.

Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 6e02c5029152..58ba33300305 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -210,6 +210,14 @@ Contact:	linux-iio@vger.kernel.org
 Description:
                 Scaled humidity measurement in milli percent.
 
+What:           /sys/bus/iio/devices/iio:deviceX/in_X_mean_raw
+KernelVersion:  3.5
+Contact:        linux-iio@vger.kernel.org
+Description:
+                Averaged raw measurement from channel X. The number of values
+                used for averaging is device specific. The converting rules for
+                normal raw values also applies to the averaged raw values.
+
 What:           /sys/bus/iio/devices/iio:deviceX/in_accel_offset
 What:           /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset
 What:           /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset