]> Pileus Git - ~andy/linux/blobdiff - drivers/input/touchscreen/wacom_w8001.c
[media] v4l: Share code between video_usercopy and video_ioctl2
[~andy/linux] / drivers / input / touchscreen / wacom_w8001.c
index 5cb8449c909d99e503488eff60dc98e8601c222d..c14412ef4648ba45bd78d81a7367ca670fc444f2 100644 (file)
@@ -51,6 +51,10 @@ MODULE_LICENSE("GPL");
 #define W8001_PKTLEN_TPCCTL    11      /* control packet */
 #define W8001_PKTLEN_TOUCH2FG  13
 
+/* resolution in points/mm */
+#define W8001_PEN_RESOLUTION    100
+#define W8001_TOUCH_RESOLUTION  10
+
 struct w8001_coord {
        u8 rdy;
        u8 tsw;
@@ -198,7 +202,7 @@ static void parse_touchquery(u8 *data, struct w8001_touch_query *query)
                query->y = 1024;
                if (query->panel_res)
                        query->x = query->y = (1 << query->panel_res);
-               query->panel_res = 10;
+               query->panel_res = W8001_TOUCH_RESOLUTION;
        }
 }
 
@@ -394,6 +398,8 @@ static int w8001_setup(struct w8001 *w8001)
 
                input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0);
                input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0);
+               input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION);
+               input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION);
                input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0);
                if (coord.tilt_x && coord.tilt_y) {
                        input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0);
@@ -418,14 +424,17 @@ static int w8001_setup(struct w8001 *w8001)
                w8001->max_touch_x = touch.x;
                w8001->max_touch_y = touch.y;
 
-               /* scale to pen maximum */
                if (w8001->max_pen_x && w8001->max_pen_y) {
+                       /* if pen is supported scale to pen maximum */
                        touch.x = w8001->max_pen_x;
                        touch.y = w8001->max_pen_y;
+                       touch.panel_res = W8001_PEN_RESOLUTION;
                }
 
                input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0);
                input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0);
+               input_abs_set_res(dev, ABS_X, touch.panel_res);
+               input_abs_set_res(dev, ABS_Y, touch.panel_res);
 
                switch (touch.sensor_id) {
                case 0: