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Input: Break out MT data

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Move all MT-related things to a separate place. This saves some
bytes for non-mt input devices, and prepares for new MT features.

Reviewed-and-tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
This commit is contained in:
Henrik Rydberg
2012-09-15 15:15:58 +02:00
parent 4cbe5a555f
commit 8d18fba282
5 changed files with 61 additions and 46 deletions
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20
drivers/input/input.c
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@@ -166,6 +166,7 @@ static void input_stop_autorepeat(struct input_dev *dev)
static int input_handle_abs_event(struct input_dev *dev,
unsigned int code, int *pval)
{
struct input_mt *mt = dev->mt;
bool is_mt_event;
int *pold;
@@ -174,8 +175,8 @@ static int input_handle_abs_event(struct input_dev *dev,
* "Stage" the event; we'll flush it later, when we
* get actual touch data.
*/
if (*pval >= 0 && *pval < dev->mtsize)
dev->slot = *pval;
if (mt && *pval >= 0 && *pval < mt->num_slots)
mt->slot = *pval;
return INPUT_IGNORE_EVENT;
}
@@ -184,9 +185,8 @@ static int input_handle_abs_event(struct input_dev *dev,
if (!is_mt_event) {
pold = &dev->absinfo[code].value;
} else if (dev->mt) {
struct input_mt_slot *mtslot = &dev->mt[dev->slot];
pold = &mtslot->abs[code - ABS_MT_FIRST];
} else if (mt) {
pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST];
} else {
/*
* Bypass filtering for multi-touch events when
@@ -205,9 +205,9 @@ static int input_handle_abs_event(struct input_dev *dev,
}
/* Flush pending "slot" event */
if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
input_abs_set_val(dev, ABS_MT_SLOT, mt->slot);
input_pass_event(dev, EV_ABS, ABS_MT_SLOT, mt->slot);
}
return INPUT_PASS_TO_HANDLERS;
@@ -1751,8 +1751,8 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev)
int i;
unsigned int events;
if (dev->mtsize) {
mt_slots = dev->mtsize;
if (dev->mt) {
mt_slots = dev->mt->num_slots;
} else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,