Revert "Input: wacom_w8001 - drop use of ABS_MT_TOOL_TYPE"

This reverts commit 5f7e5445a2de848c66d2d80ba5479197e8287c33 because
removal of input_mt_report_slot_state() means we no longer generate
tracking IDs for the reported contacts.

Cc: stable@vger.kernel.org
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Ping Cheng <pinglinux@gmail.com>

diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index 0c9191c..b6fc4bd 100644 (file)
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -155,6 +155,7 @@ static void parse_multi_touch(struct w8001 *w8001)
                bool touch = data[0] & (1 << i);
 
                input_mt_slot(dev, i);
+               input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch);
                if (touch) {
                        x = (data[6 * i + 1] << 7) | data[6 * i + 2];
                        y = (data[6 * i + 3] << 7) | data[6 * i + 4];
@@ -522,6 +523,8 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename,
                                        0, touch.x, 0, 0);
                input_set_abs_params(dev, ABS_MT_POSITION_Y,
                                        0, touch.y, 0, 0);
+               input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
+                                       0, MT_TOOL_MAX, 0, 0);
 
                strlcat(basename, " 2FG", basename_sz);
                if (w8001->max_pen_x && w8001->max_pen_y)