diff options
| -rw-r--r-- | drivers/input/input-mt.c | 8 | ||||
| -rw-r--r-- | include/linux/input/mt.h | 1 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 71db1930573..d398f1321f1 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); @@ -246,6 +248,7 @@ 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; @@ -259,7 +262,10 @@ void input_mt_sync_frame(struct input_dev *dev) } } - 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++; } diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h index 2e86bd0bfba..1b1dfa80d9f 100644 --- a/include/linux/input/mt.h +++ b/include/linux/input/mt.h @@ -19,6 +19,7 @@ #define INPUT_MT_DIRECT 0x0002 /* direct device, e.g. touchscreen */ #define INPUT_MT_DROP_UNUSED 0x0004 /* drop contacts not seen in frame */ #define INPUT_MT_TRACK 0x0008 /* use in-kernel tracking */ +#define INPUT_MT_SEMI_MT 0x0010 /* semi-mt device, finger count handled manually */ /** * struct input_mt_slot - represents the state of an input MT slot |