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-rw-r--r--include/linux/input/mt.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index 6b6f7c8e95bf..cc5cca774bab 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -24,10 +24,12 @@
* struct input_mt_slot - represents the state of an input MT slot
* @abs: holds current values of ABS_MT axes for this slot
* @frame: last frame at which input_mt_report_slot_state() was called
+ * @key: optional driver designation of this slot
*/
struct input_mt_slot {
int abs[ABS_MT_LAST - ABS_MT_FIRST + 1];
unsigned int frame;
+ unsigned int key;
};
/**
@@ -111,4 +113,6 @@ struct input_mt_pos {
int input_mt_assign_slots(struct input_dev *dev, int *slots,
const struct input_mt_pos *pos, int num_pos);
+int input_mt_get_slot_by_key(struct input_dev *dev, int key);
+
#endif