From: Przemo Firszt <przemo@xxxxxxxxx>
Tile is reported to input subsystem as reported by the device without
any modifications. It means that tilt X/Y range is 0 to 127 and it's
not centered on zero.
Signed-off-by: Przemo Firszt <przemo@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
(cherry picked from commit c653daba895a2d339b3b8f04e69fc111443ef327)
---
drivers/hid/hid-wacom.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 3fc9386..72a8e4a 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -347,6 +347,7 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
{
__u16 x, y, pressure;
__u8 distance;
+ __u8 tilt_x, tilt_y;
switch (data[1]) {
case 0x80: /* Out of proximity report */
@@ -383,6 +384,8 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
| (data[1] & 0x01);
distance = (data[9] >> 2) & 0x3f;
+ tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
+ tilt_y = data[8] & 0x7f;
input_report_key(input, BTN_TOUCH, pressure > 1);
@@ -393,6 +396,8 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
input_report_abs(input, ABS_Y, y);
input_report_abs(input, ABS_PRESSURE, pressure);
input_report_abs(input, ABS_DISTANCE, distance);
+ input_report_abs(input, ABS_TILT_X, tilt_x);
+ input_report_abs(input, ABS_TILT_Y, tilt_y);
input_report_abs(input, ABS_MISC, wdata->id);
input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
input_report_key(input, wdata->tool, 1);
@@ -522,6 +527,8 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
+ input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
+ input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
break;
}
--
1.7.10.1
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