[PATCH] Input: elan_i2c - Add hover event for ST format

[duson <dusonlin@emc.com.tw>]

Signed-off by: Duson Lin <dusonlin@emc.com.tw>
---
 drivers/input/mouse/elan_i2c_core.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 62641f2..ce97e28 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -847,6 +847,7 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
 	}
 
 	input_report_key(input, BTN_LEFT, tp_info & 0x01);
+	input_report_abs(input, ABS_DISTANCE, hover_event != 0);
 	input_mt_report_pointer_emulation(input, true);
 	input_sync(input);
 }
@@ -922,6 +923,7 @@ static int elan_setup_input_device(struct elan_tp_data *data)
 	input_abs_set_res(input, ABS_Y, data->y_res);
 	input_set_abs_params(input, ABS_PRESSURE, 0, ETP_MAX_PRESSURE, 0, 0);
 	input_set_abs_params(input, ABS_TOOL_WIDTH, 0, ETP_FINGER_WIDTH, 0, 0);
+	input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0);
 
 	/* And MT parameters */
 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, data->max_x, 0, 0);