Commit 33096777 authored Mar 27, 2015 by Peter Hutterer Committed by Dmitry Torokhov Mar 31, 2015

Input: define INPUT_PROP_ACCELEROMETER behavior



Spell out what this property means to userspace. If the property is set, all
directional axes must be accelerometer axes, any other axes are left as-is.
This allows an accelerometer device to e.g. have an ABS_WHEEL.

It is not permitted to mix normal directional axes and accelerometer axes on
the same device node.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

parent 85734b1a

Documentation/input/event-codes.txt

+6 −0

Original line number	Diff line number	Diff line
		@@ -294,6 +294,12 @@ accordingly. This property does not affect kernel behavior.
		The kernel does not provide button emulation for such devices but treats
		them as any other INPUT_PROP_BUTTONPAD device.

		INPUT_PROP_ACCELEROMETER
		-------------------------
		Directional axes on this device (absolute and/or relative x, y, z) represent
		accelerometer data. All other axes retain their meaning. A device must not mix
		regular directional axes and accelerometer axes on the same event node.

		Guidelines:
		==========
		The guidelines below ensure proper single-touch and multi-finger functionality.