HID: multitouch: create sysfs attribute to control quirks from user-space
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-multitouch b/Documentation/ABI/testing/sysfs-driver-hid-multitouch
new file mode 100644
index 0000000..f79839d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-multitouch
@@ -0,0 +1,9 @@
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/quirks
+Date: November 2011
+Contact: Benjamin Tissoires <benjamin.tissoires@gmail.com>
+Description: The integer value of this attribute corresponds to the
+ quirks actually in place to handle the device's protocol.
+ When read, this attribute returns the current settings (see
+ MT_QUIRKS_* in hid-multitouch.c).
+ When written this attribute change on the fly the quirks, then
+ the protocol to handle the device.