Input: synaptics-rmi4 - set the ABS_MT_TOOL_TYPE bit to report tool type

The rmi4 2D sensor functions report the tool type via
input_mt_report_slot_state(), but the abs parameter bit has not been
set so the tool type is not reported to userspace. This patch set
the ABS_MT_TOOL_TYPE bit.
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/rmi4/rmi_2d_sensor.c

@@ -181,6 +181,8 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
 		input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 0x0f, 0, 0);
 		input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 0x0f, 0, 0);
 		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
+		input_set_abs_params(input, ABS_MT_TOOL_TYPE,
+				     0, MT_TOOL_MAX, 0, 0);
 
 		if (sensor->sensor_type == rmi_sensor_touchpad)
 			input_flags = INPUT_MT_POINTER;