[PATCH] use multitouch touchpad events as buttons mousedev

[Lukasz Stelmach]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --- drivers/input/mousedev.c~	2009-03-08 15:11:11.000000000 +0100
+++ drivers/input/mousedev.c	2009-03-09 00:27:34.000000000 +0100
@@ -316,7 +316,7 @@
 		wake_up_interruptible(&mousedev->wait);
 }

- -static void mousedev_touchpad_touch(struct mousedev *mousedev, int value)
+static void mousedev_touchpad_touch(struct mousedev *mousedev, unsigned int code, int value)
 {
 	if (!value) {
 		if (mousedev->touch &&
@@ -327,13 +327,23 @@
 			 * We rely on the fact that mousedev_mix always has 0
 			 * motion packet so we won't mess current position.
 			 */
- -			set_bit(0, &mousedev->packet.buttons);
- -			set_bit(0, &mousedev_mix->packet.buttons);
+			int index;
+
+			switch (code) {
+			case BTN_TOOL_DOUBLETAP: index = 1; break;
+
+			case BTN_TOOL_TRIPLETAP: index = 2; break;
+
+			default: index = 0;
+			}
+
+			set_bit(index, &mousedev->packet.buttons);
+			set_bit(index, &mousedev_mix->packet.buttons);
 			mousedev_notify_readers(mousedev, &mousedev_mix->packet);
 			mousedev_notify_readers(mousedev_mix,
 						&mousedev_mix->packet);
- -			clear_bit(0, &mousedev->packet.buttons);
- -			clear_bit(0, &mousedev_mix->packet.buttons);
+			clear_bit(index, &mousedev->packet.buttons);
+			clear_bit(index, &mousedev_mix->packet.buttons);
 		}
 		mousedev->touch = mousedev->pkt_count = 0;
 		mousedev->frac_dx = 0;
@@ -371,7 +381,7 @@
 		if (value != 2) {
 			if (code == BTN_TOUCH &&
 			    test_bit(BTN_TOOL_FINGER, handle->dev->keybit))
- -				mousedev_touchpad_touch(mousedev, value);
+				mousedev_touchpad_touch(mousedev, code, value);
 			else
 				mousedev_key_event(mousedev, code, value);
 		}

Some touchpads can recognize multi-finger taps. They can be used as
additional buttons (left and middle).

	Signed-off-by: Åukasz Stelmach <stlman@xxxxxxxxx>


Please CC any comments.
- --
ByÅo mi bardzo miÅo.               Czwarta pospolita klÄska, [...]
>Åukasz<                 JuÅ nie katolicka lecz zÅodziejska.  (c)PP
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.9 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkm0atoACgkQNdzY8sm9K9z8rQCfQkfJ4xHSEeao6yy9wzz/6zkT
t0kAni6046EHiTmVc7McixxEsrSfJZDS
=w8xZ
-----END PGP SIGNATURE-----


----------------------------------------------------------------------
Udar sloneczny prezesa Kaczynskiego... >>> http://link.interia.pl/f2083

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/