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Date: Sun, 05 Nov 2006 12:40:44 +0100 From: Németh Márton <nm127@...email.hu> To: Dmitry Torokhov <dmitry.torokhov@...il.com> CC: linux-input@...ey.karlin.mff.cuni.cz, linux-kernel@...r.kernel.org Subject: [PATCH] input: map BTN_FORWARD to button 2 in mousedev From: Márton Németh <nm127@...email.hu> In mousedev the BTN_LEFT and BTN_FORWARD were mapped to mouse button 0, causing that the user space program cannot distinguish between them through /dev/input/mice. The BTN_FORWARD is currently used in the synaptics.c, logips2pp.c and in alps.c. All mice have BTN_LEFT, but not all have BTN_MIDDLE (e.g. Clevo D410J laptop). Mapping BTN_FORWARD to mouse button 2 makes the BTN_FORWARD button useful on the mentioned laptop. Signed-off-by: Márton Németh <nm127@...email.hu> --- The Clevo D410J laptop has "AlpsPS/2 ALPS GlidePoint" touchpad having the following physical layout: +-------------------+ +-------------+ +-------------------+ | | | BTN_FORWARD | | | | BTN_LEFT | +-------------+ | BTN_RIGHT | | | +-------------+ | | | | | BTN_BACK | | | +-------------------+ +-------------+ +-------------------+ This model does not have any BTN_MIDDLE, but the BTN_FORWARD could be used instead. The following table summarizes the map changes: Button name | Mapping in 2.6.19-rc3 | The changed mapping -------------+-----------------------+--------------------- BTN_LEFT | 0 | 0 BTN_RIGHT | 1 | 1 BTN_FORWARD | 0 | 2 BTN_BACK | 3 | 3 --- linux-2.6.19-rc4/drivers/input/mousedev.c.orig 2006-10-31 04:37:36.000000000 +0100 +++ linux-2.6.19-rc4/drivers/input/mousedev.c 2006-11-05 02:34:56.000000000 +0100 @@ -196,12 +196,12 @@ static void mousedev_key_event(struct mo switch (code) { case BTN_TOUCH: case BTN_0: - case BTN_FORWARD: case BTN_LEFT: index = 0; break; case BTN_STYLUS: case BTN_1: case BTN_RIGHT: index = 1; break; case BTN_2: + case BTN_FORWARD: case BTN_STYLUS2: case BTN_MIDDLE: index = 2; break; case BTN_3: - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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