iio: Add ABI documentation for scaled voltage

This patch adds an entry in ABI documentation for in_voltage-voltage_scale.
It has at least one user driver, adis16220, in accel driver.

Signed-off-by: Darshana Padmadas <darshanapadmadas@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index ea7e7abbbdf4..117521dbf2b3 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -259,6 +259,7 @@ Description:
 What:           /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
 What:           /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
 What:           /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
+What:           /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale
 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
 What:           /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
 What:           /sys/bus/iio/devices/iio:deviceX/in_accel_scale