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| author |   Henrik Rydberg <rydberg@euromail.se> | 2013-04-07 20:52:22 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-04-07 21:02:32 -0700 |
| commit | a0ef6a348a47bdb3896c468608f9cd19c1c26949 (patch) | |
| tree | d53c955166783efcfe8a67a5722d68b8f4cf5a40 /drivers/input/input-mt.c | |
| parent | Input: adxl34x - use spi_get_drvdata() (diff) | |
| download | linux-dev-a0ef6a348a47bdb3896c468608f9cd19c1c26949.tar.xz linux-dev-a0ef6a348a47bdb3896c468608f9cd19c1c26949.zip | |
Input: MT - handle semi-mt devices in core
Most semi-mt drivers use the slots in a manual way, but really only
need to treat the finger count manually. With this patch, a semi-mt
driver may use the input-mt core for everything else.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/input-mt.c')
| -rw-r--r-- | drivers/input/input-mt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 71db1930573f..d398f1321f14 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++; } |