Input: wacom - pass touch resolution to clients through input_absinfo
Also remove fake ABS_RX/ABS_RY "axes" that were used to report physical
dimensions now that we have better way.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index f44c822..367fa82 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1101,6 +1101,13 @@
}
}
+static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
+ unsigned int physical_max)
+{
+ /* Touch physical dimensions are in 100th of mm */
+ return (logical_max * 100) / physical_max;
+}
+
void wacom_setup_input_capabilities(struct input_dev *input_dev,
struct wacom_wac *wacom_wac)
{
@@ -1228,8 +1235,12 @@
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);
+ input_abs_set_res(input_dev, ABS_X,
+ wacom_calculate_touch_res(features->x_max,
+ features->x_phy));
+ input_abs_set_res(input_dev, ABS_Y,
+ wacom_calculate_touch_res(features->y_max,
+ features->y_phy));
__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
}
@@ -1272,6 +1283,12 @@
input_set_abs_params(input_dev, ABS_MT_PRESSURE,
0, features->pressure_max,
features->pressure_fuzz, 0);
+ input_abs_set_res(input_dev, ABS_X,
+ wacom_calculate_touch_res(features->x_max,
+ features->x_phy));
+ input_abs_set_res(input_dev, ABS_Y,
+ wacom_calculate_touch_res(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);