Staging: iio: Documented output / DAC interface

Added documentation for:
* /sys/bus/iio/devices/deviceX/outY_scale
* /sys/bus/iio/devices/deviceX/outY_raw
* /sys/bus/iio/devices/deviceX/outY&Z_raw

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio b/drivers/staging/iio/Documentation/sysfs-bus-iio
index 2dde97de75f84aaf06762e6443ee881ad199f8a7..8e5d8d1f3b2fee7c816d78baedbcef1c01065911 100644 (file)
--- a/drivers/staging/iio/Documentation/sysfs-bus-iio
+++ b/drivers/staging/iio/Documentation/sysfs-bus-iio
@@ -168,6 +168,7 @@ Description:
 What:          /sys/bus/iio/devices/deviceX/inY_scale
 What:          /sys/bus/iio/devices/deviceX/inY_supply_scale
 What:          /sys/bus/iio/devices/deviceX/in_scale
+What:          /sys/bus/iio/devices/deviceX/outY_scale
 What:          /sys/bus/iio/devices/deviceX/accel_scale
 What:          /sys/bus/iio/devices/deviceX/accel_peak_scale
 What:          /sys/bus/iio/devices/deviceX/gyro_scale
@@ -222,6 +223,23 @@ Description:
                If a discrete set of scale values are available, they
                are listed in this attribute.
 
+What:          /sys/bus/iio/devices/deviceX/outY_raw
+KernelVersion: 2.6.37
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Raw (unscaled, no bias etc.) output voltage for
+               channel Y.  The number must always be specified and
+               unique if the output corresponds to a single channel.
+
+What:          /sys/bus/iio/devices/deviceX/outY&Z_raw
+KernelVersion: 2.6.37
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Raw (unscaled, no bias etc.) output voltage for an aggregate of
+               channel Y, channel Z, etc.  This interface is available in cases
+               where a single output sets the value for multiple channels
+               simultaneously.
+
 What:          /sys/bus/iio/devices/deviceX/deviceX:eventY
 KernelVersion: 2.6.35
 Contact:       linux-iio@vger.kernel.org