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Commit b0549cf1 authored by Rafi Rubin's avatar Rafi Rubin Committed by Jiri Kosina
Browse files

HID: n-trig: remove unnecessary tool switching 



With the pen and touch split apart, we no longer need to inject
additional tool switching events.

Signed-off-by: default avatarRafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 943ed464

drivers/hid/hid-ntrig.c

+1 −40
Original line number Original line Diff line number Diff line
@@ -27,9 +27,6 @@ 
struct ntrig_data {

struct ntrig_data {

	__s32 x, y, id, w, h;

	__s32 x, y, id, w, h;

	bool reading_a_point, found_contact_id;

	bool reading_a_point, found_contact_id;

	bool pen_active;

	bool finger_active;

	bool inverted;

};

};





/*

/*
@@ -47,7 +44,6 @@ static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi, 
		return 0;

		return 0;





	switch (usage->hid & HID_USAGE_PAGE) {

	switch (usage->hid & HID_USAGE_PAGE) {



	case HID_UP_GENDESK:

	case HID_UP_GENDESK:

		switch (usage->hid) {

		switch (usage->hid) {

		case HID_GD_X:

		case HID_GD_X:
@@ -111,6 +107,7 @@ static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi, 
	/* No special mappings needed for the pen */

	/* No special mappings needed for the pen */

	if (field->application == HID_DG_PEN)

	if (field->application == HID_DG_PEN)

		return 0;

		return 0;



	if (usage->type == EV_KEY || usage->type == EV_REL

	if (usage->type == EV_KEY || usage->type == EV_REL

			|| usage->type == EV_ABS)

			|| usage->type == EV_ABS)

		clear_bit(usage->code, *bit);

		clear_bit(usage->code, *bit);
@@ -136,18 +133,6 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field, 




        if (hid->claimed & HID_CLAIMED_INPUT) {

        if (hid->claimed & HID_CLAIMED_INPUT) {

		switch (usage->hid) {

		switch (usage->hid) {



		case HID_DG_INRANGE:

			if (field->application & 0x3)

				nd->pen_active = (value != 0);

			else

				nd->finger_active = (value != 0);

			return 0;



		case HID_DG_INVERT:

			nd->inverted = value;

			return 0;



		case HID_GD_X:

		case HID_GD_X:

			nd->x = value;

			nd->x = value;

			nd->reading_a_point = 1;

			nd->reading_a_point = 1;
@@ -171,32 +156,8 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field, 
			 * to emit a normal (X, Y) position

			 * to emit a normal (X, Y) position

			 */

			 */

			if (!nd->found_contact_id) {

			if (!nd->found_contact_id) {

				if (nd->pen_active && nd->finger_active) {

					input_report_key(input, BTN_TOOL_DOUBLETAP, 0);

					input_report_key(input, BTN_TOOL_DOUBLETAP, 1);

				}

				input_event(input, EV_ABS, ABS_X, nd->x);

				input_event(input, EV_ABS, ABS_Y, nd->y);

			}

			break;

		case HID_DG_TIPPRESSURE:

			/*

			 * when in single touch mode, this is the last

			 * report received in a pen event. We want

			 * to emit a normal (X, Y) position

			 */

			if (! nd->found_contact_id) {

				if (nd->pen_active && nd->finger_active) {

					input_report_key(input,

							nd->inverted ? BTN_TOOL_RUBBER : BTN_TOOL_PEN

							, 0);

					input_report_key(input,

							nd->inverted ? BTN_TOOL_RUBBER : BTN_TOOL_PEN

							, 1);

				}

				input_event(input, EV_ABS, ABS_X, nd->x);

				input_event(input, EV_ABS, ABS_X, nd->x);

				input_event(input, EV_ABS, ABS_Y, nd->y);

				input_event(input, EV_ABS, ABS_Y, nd->y);

				input_event(input, EV_ABS, ABS_PRESSURE, value);

			}

			}

			break;

			break;

		case 0xff000002:

		case 0xff000002: