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Input: mousedev - handle mice that use absolute coordinates

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Devices like the HP Integrated Remote Console Virtual Mouse, which are
standard equipment on all Proliant and Integrity servers, produce
absolute coordinates instead of relative coordinates.  This is done to
synchronize the position of the mouse cursor on the client desktop
with the mouse cursor position on the server.  Mousedev is not
designed to pass those absolute events directly to X, but it can
translate them into relative movements.  It currently does this for
tablet like devices and touchpads.  This patch merely tells it to also
include a device with ABS_X, ABS_Y, and mouse buttons in its list of
devices to process input for.

This patch enables the mouse pointer to move when using the remote
console.

Signed-off-by: Micah Parrish <micah.parrish@hp.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Micah Parrish 2008-01-17 12:01:04 -05:00 committed by Dmitry Torokhov
parent 4ff891eb3d
commit 6724f93463
1 changed files with 9 additions and 0 deletions
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9
drivers/input/mousedev.c
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@ -1029,6 +1029,15 @@ static const struct input_device_id mousedev_ids[] = {
BIT_MASK(ABS_PRESSURE) |
BIT_MASK(ABS_TOOL_WIDTH) },
}, /* A touchpad */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
INPUT_DEVICE_ID_MATCH_KEYBIT |
INPUT_DEVICE_ID_MATCH_ABSBIT,
.evbit = { BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_SYN) },
.keybit = { [BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) },
.absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) },
}, /* Mouse-like device with absolute X and Y but ordinary
clicks, like hp ILO2 High Performance mouse */
{ }, /* Terminating entry */
};