Fix melfas touch screen on ICS

gistfile1.diff

diff --git a/drivers/input/touchscreen/melfas_ts.c b/drivers/input/touchscreen/melfas_ts.c
index 2bb5b95..3b6e9c1 100755
--- a/drivers/input/touchscreen/melfas_ts.c
+++ b/drivers/input/touchscreen/melfas_ts.c
@@ -144,7 +144,8 @@
 	input_report_abs(ts->input_dev, ABS_MT_POSITION_X, x);             \
 	input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, y);             \
 	input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, amplitude);         \
-	input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, width); \
+	input_report_abs(ts->input_dev, ABS_MT_PRESSURE, amplitude); \
+	input_report_key(ts->input_dev, BTN_TOUCH, 1); \
 	input_mt_sync(ts->input_dev);                                      \
 } while (0)
 
@@ -2100,7 +2101,7 @@ static int melfas_ts_probe(struct i2c_client *client, const struct i2c_device_id
 	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0, TS_MAX_Y_COORD, 0, 0);
 	input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, TS_MAX_Z_TOUCH, 0, 0);
 	input_set_abs_params(ts->input_dev, ABS_MT_TRACKING_ID, 0, MELFAS_MAX_TOUCH - 1, 0, 0);
-	input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, TS_MAX_W_TOUCH, 0, 0);
+	input_set_abs_params(ts->input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
 
 //	__set_bit(EV_SYN, ts->input_dev->evbit);
 //	__set_bit(EV_KEY, ts->input_dev->evbit);

Hello.Can you explain what is it? (code above) .I would like to emulate touchScreen for my samsung s3 via stm32 microcontroller