Input: psmouse - rework setting of BTN_MIDDLE capability
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>
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 690aed9..e1c9fe2 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -425,6 +425,7 @@
return -1;
if (set_properties) {
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
__set_bit(BTN_EXTRA, psmouse->dev->keybit);
__set_bit(BTN_SIDE, psmouse->dev->keybit);
__set_bit(REL_WHEEL, psmouse->dev->relbit);
@@ -460,8 +461,10 @@
__set_bit(BTN_MIDDLE, psmouse->dev->keybit);
__set_bit(REL_WHEEL, psmouse->dev->relbit);
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Wheel Mouse";
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Wheel Mouse";
psmouse->pktsize = 4;
}
@@ -504,8 +507,10 @@
__set_bit(BTN_SIDE, psmouse->dev->keybit);
__set_bit(BTN_EXTRA, psmouse->dev->keybit);
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Explorer Mouse";
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Explorer Mouse";
psmouse->pktsize = 4;
}
@@ -536,6 +541,7 @@
return -1;
if (set_properties) {
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
__set_bit(BTN_EXTRA, psmouse->dev->keybit);
psmouse->vendor = "Kensington";
@@ -551,8 +557,16 @@
static int ps2bare_detect(struct psmouse *psmouse, bool set_properties)
{
if (set_properties) {
- if (!psmouse->vendor) psmouse->vendor = "Generic";
- if (!psmouse->name) psmouse->name = "Mouse";
+ if (!psmouse->vendor)
+ psmouse->vendor = "Generic";
+ if (!psmouse->name)
+ psmouse->name = "Mouse";
+
+/*
+ * We have no way of figuring true number of buttons so let's
+ * assume that the device has 3.
+ */
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
}
return 0;
@@ -567,6 +581,8 @@
if (set_properties) {
psmouse->vendor = "Cortron";
psmouse->name = "PS/2 Trackball";
+
+ __set_bit(BTN_MIDDLE, psmouse->dev->keybit);
__set_bit(BTN_SIDE, psmouse->dev->keybit);
}
@@ -1184,15 +1200,16 @@
mutex_unlock(&psmouse_mutex);
}
-static int psmouse_switch_protocol(struct psmouse *psmouse, const struct psmouse_protocol *proto)
+static int psmouse_switch_protocol(struct psmouse *psmouse,
+ const struct psmouse_protocol *proto)
{
struct input_dev *input_dev = psmouse->dev;
input_dev->dev.parent = &psmouse->ps2dev.serio->dev;
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
- input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
- BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+ input_dev->keybit[BIT_WORD(BTN_MOUSE)] =
+ BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
psmouse->set_rate = psmouse_set_rate;
@@ -1209,8 +1226,7 @@
return -1;
psmouse->type = proto->type;
- }
- else
+ } else
psmouse->type = psmouse_extensions(psmouse,
psmouse_max_proto, true);