[v2] input: wacom - Pass touch resolution to clients through input_absinfo

Commit Message

Ping Cheng Jan. 24, 2011, 11:06 p.m. UTC

None

Patch

diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index f44c822..12d5ccf 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1228,8 +1228,11 @@  void wacom_setup_input_capabilities(struct input_dev *input_dev,
 	case TABLETPC:
 		if (features->device_type == BTN_TOOL_DOUBLETAP ||
 		    features->device_type == BTN_TOOL_TRIPLETAP) {
-			input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
-			input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
+			/* set touch resolution in points/mm */
+			input_abs_set_res(input_dev, ABS_X,
+				100 * features->x_max / features->x_phy);
+			input_abs_set_res(input_dev, ABS_Y,
+				100 * features->y_max / features->y_phy);
 			__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
 		}
 
@@ -1272,6 +1275,11 @@  void wacom_setup_input_capabilities(struct input_dev *input_dev,
 			input_set_abs_params(input_dev, ABS_MT_PRESSURE,
 					     0, features->pressure_max,
 					     features->pressure_fuzz, 0);
+			/* set touch resolution in points/mm */
+			input_abs_set_res(input_dev, ABS_X,
+				100 * features->x_max / features->x_phy);
+			input_abs_set_res(input_dev, ABS_Y,
+				100 * features->y_max / features->y_phy);
 		} else if (features->device_type == BTN_TOOL_PEN) {
 			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
 			__set_bit(BTN_TOOL_PEN, input_dev->keybit);