From e0829e9c1e6981450f11204a4104646ed0f6907a Mon Sep 17 00:00:00 2001 From: Przemo Firszt Date: Tue, 28 Feb 2012 17:19:04 +0000 Subject: [PATCH] HID: wacom: report distance for Intuos4 WL This patch adds reporting of distance of tool to the tablet surface. Maximum reported value is 63 (0x3F). Signed-off-by: Przemo Firszt Acked-by: Peter Hutterer Signed-off-by: Jiri Kosina --- drivers/hid/hid-wacom.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index a3476f9..5a58db2 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -320,6 +320,7 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata, struct input_dev *input, unsigned char *data) { __u16 x, y, pressure; + __u8 distance; switch (data[1]) { case 0x80: /* Out of proximity report */ @@ -353,6 +354,7 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata, y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01); pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 0x01); + distance = (data[9] >> 2) & 0x3f; input_report_key(input, BTN_TOUCH, pressure > 1); @@ -362,6 +364,7 @@ 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, distance); 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 +487,7 @@ 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; } -- 2.7.4