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Input: ALPS - do not set REL_X/REL_Y capabilities on the touchpad

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Relative events are only reported via secondary device therefore device
associated with the touchpad should not advertise these capabilities.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2009-12-11 23:54:54 -08:00
parent df2d4637b0
commit 7105d2ea73
1 changed files with 11 additions and 0 deletions
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11
drivers/input/mouse/alps.c
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@ -487,6 +487,17 @@ int alps_init(struct psmouse *psmouse)
if (alps_hw_init(psmouse))
goto init_fail;
/*
* Undo part of setup done for us by psmouse core since touchpad
* is not a relative device.
*/
__clear_bit(EV_REL, dev1->evbit);
__clear_bit(REL_X, dev1->relbit);
__clear_bit(REL_Y, dev1->relbit);
/*
* Now set up our capabilities.
*/
dev1->evbit[BIT_WORD(EV_KEY)] |= BIT_MASK(EV_KEY);
dev1->keybit[BIT_WORD(BTN_TOUCH)] |= BIT_MASK(BTN_TOUCH);
dev1->keybit[BIT_WORD(BTN_TOOL_FINGER)] |= BIT_MASK(BTN_TOOL_FINGER);