diff options
Diffstat (limited to 'drivers/input/input-mt.c')
| -rw-r--r-- | drivers/input/input-mt.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 53eaf89f..d398f13 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -79,6 +79,8 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, } if (flags & INPUT_MT_DIRECT) __set_bit(INPUT_PROP_DIRECT, dev->propbit); + if (flags & INPUT_MT_SEMI_MT) + __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); if (flags & INPUT_MT_TRACK) { unsigned int n2 = num_slots * num_slots; mt->red = kcalloc(n2, sizeof(*mt->red), GFP_KERNEL); @@ -246,20 +248,24 @@ void input_mt_sync_frame(struct input_dev *dev) { struct input_mt *mt = dev->mt; struct input_mt_slot *s; + bool use_count = false; if (!mt) return; if (mt->flags & INPUT_MT_DROP_UNUSED) { for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { - if (s->frame == mt->frame) + if (input_mt_is_used(mt, s)) continue; input_mt_slot(dev, s - mt->slots); input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); } } - input_mt_report_pointer_emulation(dev, (mt->flags & INPUT_MT_POINTER)); + if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT)) + use_count = true; + + input_mt_report_pointer_emulation(dev, use_count); mt->frame++; } |