This patch adds reporting of distance of tool to the tablet surface. Maximum
reported value is 63 (0x3F).

Signed-off-by: Przemo Firszt <prz...@firszt.eu>
---
 drivers/hid/hid-wacom.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 49b9178..93cd8ef 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -362,6 +362,7 @@ static void wacom_i4_parse_pen_report(struct wacom_data 
*wdata,
                input_report_abs(input, ABS_X, x);
                input_report_abs(input, ABS_Y, y);
                input_report_abs(input, ABS_PRESSURE, pressure);
+               input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
                input_report_abs(input, ABS_MISC, wdata->id);
                input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
                input_report_key(input, wdata->tool, 1);
@@ -484,6 +485,7 @@ static int wacom_input_mapped(struct hid_device *hdev, 
struct hid_input *hi,
                input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
                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);
                break;
        }
 
-- 
1.7.6.4


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