HID: wacom: Add reporting of wheel for Intuos4 WL
This patch adds reporting of ABS_WHEEL event. Raported walues are 0..71 and are related to absolute location of the finger on the wheel. Signed-off-by: Przemo Firszt <przemo@firszt.eu> Reviewed-by: Jason Gerecke <killertofu@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -36,6 +36,7 @@
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struct wacom_data {
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__u16 tool;
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__u16 butstate;
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__u8 whlstate;
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__u8 features;
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__u32 id;
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__u32 serial;
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@ -322,6 +323,23 @@ static void wacom_i4_parse_button_report(struct wacom_data *wdata,
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struct input_dev *input, unsigned char *data)
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{
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__u16 new_butstate;
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__u8 new_whlstate;
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__u8 sync = 0;
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new_whlstate = data[1];
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if (new_whlstate != wdata->whlstate) {
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wdata->whlstate = new_whlstate;
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if (new_whlstate & 0x80) {
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input_report_key(input, BTN_TOUCH, 1);
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input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f));
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input_report_key(input, BTN_TOOL_FINGER, 1);
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} else {
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input_report_key(input, BTN_TOUCH, 0);
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input_report_abs(input, ABS_WHEEL, 0);
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input_report_key(input, BTN_TOOL_FINGER, 0);
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}
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sync = 1;
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}
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new_butstate = (data[3] << 1) | (data[2] & 0x01);
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if (new_butstate != wdata->butstate) {
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@ -336,6 +354,10 @@ static void wacom_i4_parse_button_report(struct wacom_data *wdata,
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input_report_key(input, BTN_7, new_butstate & 0x080);
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input_report_key(input, BTN_8, new_butstate & 0x100);
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input_report_key(input, BTN_TOOL_FINGER, 1);
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sync = 1;
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}
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if (sync) {
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input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
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input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
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input_sync(input);
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@ -510,6 +532,7 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
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input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
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break;
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case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
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__set_bit(ABS_WHEEL, input->absbit);
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__set_bit(ABS_MISC, input->absbit);
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__set_bit(BTN_2, input->keybit);
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__set_bit(BTN_3, input->keybit);
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@ -518,6 +541,7 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
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__set_bit(BTN_6, input->keybit);
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__set_bit(BTN_7, input->keybit);
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__set_bit(BTN_8, input->keybit);
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input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0);
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input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
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input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
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input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
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