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Input: MT - handle semi-mt devices in core

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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>
This commit is contained in:
Henrik Rydberg
2013-04-07 20:52:22 -07:00
committed by Dmitry Torokhov
parent 7a246777a6
commit a0ef6a348a
2 changed files with 8 additions and 1 deletions
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include/linux/input/mt.h
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@@ -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