HID: roccat: added sensor sysfs attribute for Savu

The sensor attr can be used to tweak the optical sensor of the Savu.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 9 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-savu b/Documentation/ABI/testing/sysfs-driver-hid-roccat-savu
index e23349001288..b42922cf6b1f 100644
--- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-savu
+++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-savu
@@ -66,3 +66,12 @@ Description:	The mouse can store 5 profiles which can be switched by the
                 The data has to be 3 bytes long.
                 The mouse will reject invalid data.
 Users:          http://roccat.sourceforge.net
+
+What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/savu/roccatsavu<minor>/sensor
+Date:           July 2012
+Contact:        Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:    The mouse has a Avago ADNS-3090 sensor.
+                This file allows reading and writing of the mouse sensors registers.
+                The data has to be 4 bytes long.
+Users:          http://roccat.sourceforge.net
+