path: root/drivers/input
diff options
Diffstat (limited to 'drivers/input')
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c0ec7d42c3be..1abbc170d8b7 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -26,10 +26,14 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src)
* input_mt_init_slots() - initialize MT input slots
* @dev: input device supporting MT events and finger tracking
* @num_slots: number of slots used by the device
+ * @flags: mt tasks to handle in core
* This function allocates all necessary memory for MT slot handling
* in the input device, prepares the ABS_MT_SLOT and
* ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
+ * Depending on the flags set, it also performs pointer emulation and
+ * frame synchronization.
+ *
* May be called repeatedly. Returns -EINVAL if attempting to
* reinitialize with a different number of slots.