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Input: psmouse - rework setting of BTN_MIDDLE capability

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Do not start protocol detection assuming that middle mouse is present,
instead let individual protocols explicitly set this capability.
This fixes issue with Synaptics touchpads pretending that they have
middle button when hardware clearly reports otherwise.

Reported-and-tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2009-11-16 22:12:21 -08:00
parent 0cc1770b66
commit 315eb996d5
5 changed files with 38 additions and 31 deletions
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13
drivers/input/mouse/hgpk.c
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@@ -430,19 +430,6 @@ static int hgpk_register(struct psmouse *psmouse)
struct input_dev *dev = psmouse->dev;
int err;
/* unset the things that psmouse-base sets which we don't have */
__clear_bit(BTN_MIDDLE, dev->keybit);
/* set the things we do have */
__set_bit(EV_KEY, dev->evbit);
__set_bit(EV_REL, dev->evbit);
__set_bit(REL_X, dev->relbit);
__set_bit(REL_Y, dev->relbit);
__set_bit(BTN_LEFT, dev->keybit);
__set_bit(BTN_RIGHT, dev->keybit);
/* register handlers */
psmouse->protocol_handler = hgpk_process_byte;
psmouse->poll = hgpk_poll;