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authorJeff Brown <jeffbrown@google.com>2011-04-18 10:08:02 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-04-18 10:15:43 -0700
commit80b4895aa4578e9372d76cd4063f82d0c3994d77 (patch)
tree0ac167a8b17e2550ff2d996d153ecbb59e05e643 /include
parent9fb0f14e31b6101a0cc69a333b43541044f9b0a6 (diff)
Input: estimate number of events per packet
Calculate a default based on the number of ABS axes, REL axes, and MT slots for the device during input device registration. Signed-off-by: Jeff Brown <jeffbrown@android.com> Reviewed-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include')
-rw-r--r--include/linux/input/mt.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index b3ac06a4435d..318bb82325a6 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -48,6 +48,12 @@ static inline void input_mt_slot(struct input_dev *dev, int slot)
input_event(dev, EV_ABS, ABS_MT_SLOT, slot);
}
+static inline bool input_is_mt_axis(int axis)
+{
+ return axis == ABS_MT_SLOT ||
+ (axis >= ABS_MT_FIRST && axis <= ABS_MT_LAST);
+}
+
void input_mt_report_slot_state(struct input_dev *dev,
unsigned int tool_type, bool active);