input: touchscreen: stm: Remove input_event calls for MSC_TIMESTAMP

Context: With the potential new API change to timestamp, it isn't
necessary anymore to use the input_event call for MSC_TIMESTAMP.

Bug: 139785163
Bug: 119840121
Change-Id: I3bf5f0e6deb7be032155544b30d2994de124ae1e
Signed-off-by: atifniyaz@google.com

1 files changed, 3 insertions, 26 deletions

diff --git a/fts.c b/fts.c
index 291ce49..f73705e 100644
--- a/fts.c
+++ b/fts.c
@@ -138,15 +138,8 @@ static u8 key_mask;	/* /< store the last update of the key mask
 static int fts_init_sensing(struct fts_ts_info *info);
 static int fts_mode_handler(struct fts_ts_info *info, int force);
 
-
 static int fts_chip_initialization(struct fts_ts_info *info, int init_type);
 
-static void fts_report_timestamp(struct fts_ts_info *info)
-{
-	input_event(info->input_dev, EV_MSC, MSC_TIMESTAMP,
-		ktime_to_ns(info->timestamp) / 1000);
-}
-
 /**
   * Release all the touches in the linux input subsystem
   * @param info pointer to fts_ts_info which contains info about device/hw setup
@@ -169,7 +162,6 @@ void release_all_touches(struct fts_ts_info *info)
 		input_report_abs(info->input_dev, ABS_MT_TRACKING_ID, -1);
 	}
 	input_report_key(info->input_dev, BTN_TOUCH, 0);
-	fts_report_timestamp(info);
 	input_sync(info->input_dev);
 	info->touch_id = 0;
 #ifdef STYLUS_MODE
@@ -1522,9 +1514,6 @@ static void touchsim_work(struct work_struct *work)
 	touchsim_report_contact_event(info->input_dev, TOUCHSIM_SLOT_ID,
 					touchsim->x, touchsim->y, 1);
 
-	input_event(info->input_dev, EV_MSC, MSC_TIMESTAMP,
-			ktime_to_ns(timestamp) / 1000);
-
 	input_sync(info->input_dev);
 
 	heatmap_read(&info->v4l2, ktime_to_ns(timestamp));
@@ -3864,7 +3853,6 @@ static irqreturn_t fts_interrupt_handler(int irq, void *handle)
 	const unsigned char EVENTS_REMAINING_MASK = 0x1F;
 	unsigned char events_remaining = 0;
 	unsigned char *evt_data;
-	event_dispatch_handler_t event_handler;
 	bool processed_pointer_event = false;
 
 	/* It is possible that interrupts were disabled while the handler is
@@ -3907,10 +3895,8 @@ static irqreturn_t fts_interrupt_handler(int irq, void *handle)
 
 			/* Ensure event ID is within bounds */
 			if (eventId < NUM_EVT_ID) {
-				event_handler =
-					info->event_dispatch_table[eventId];
-				processed_pointer_event =
-					event_handler(info, evt_data);
+				processed_pointer_event = info->event_dispatch_table[eventId](
+					info, evt_data);
 			}
 		}
 	}
@@ -3918,17 +3904,9 @@ static irqreturn_t fts_interrupt_handler(int irq, void *handle)
 	if (info->touch_id == 0)
 		input_report_key(info->input_dev, BTN_TOUCH, 0);
 
-	/*
-	 * Only report timestamp for pointer events and ignore events
-	 * like errors, status updates, etc.
-	 * Otherwise, we will generate events that only consist of timestamps.
-	 */
-	if (processed_pointer_event) {
-		fts_report_timestamp(info);
-	}
 	input_sync(info->input_dev);
 
-        if (processed_pointer_event)
+	if (processed_pointer_event)
 		heatmap_read(&info->v4l2, ktime_to_ns(info->timestamp));
 
 	/* Disable the firmware motion filter during single touch */
@@ -5485,7 +5463,6 @@ static int fts_probe(struct spi_device *client)
 	input_set_abs_params(info->input_dev, ABS_MT_DISTANCE, DISTANCE_MIN,
 			     DISTANCE_MAX, 0, 0);
 #endif
-	input_set_capability(info->input_dev, EV_MSC, MSC_TIMESTAMP);
 
 #ifdef GESTURE_MODE
 	input_set_capability(info->input_dev, EV_KEY, KEY_WAKEUP);