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Commit 8aa9a9ac authored by Ping Cheng's avatar Ping Cheng Committed by Dmitry Torokhov
Browse files

Input: wacom - process pen data in its own routine 



So it would be easier for patch reviewers to follow the data path.

Reviewed-by: default avatarHenrik Rydberg <rydberg@euromail.se>
Reviewed-by: default avatarChris Bagwell <chris@cnpbagwell.com>
Signed-off-by: default avatarPing Cheng <pingc@wacom.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 4fc19381

drivers/input/tablet/wacom_wac.c

+40 −33
Original line number Diff line number Diff line
@@ -722,13 +722,47 @@ static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len) 
	}

}



static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)

static int wacom_tpc_pen(struct wacom_wac *wacom)

{

	struct wacom_features *features = &wacom->features;

	char *data = wacom->data;

	struct input_dev *input = wacom->input;

	int prox = 0, pressure;

	int retval = 0;

	int prox, pressure;



	prox = data[1] & 0x20;



	if (!wacom->shared->stylus_in_proximity) { /* first in prox */

		/* Going into proximity select tool */

		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;

		if (wacom->tool[0] == BTN_TOOL_PEN)

			wacom->id[0] = STYLUS_DEVICE_ID;

		else

			wacom->id[0] = ERASER_DEVICE_ID;



		wacom->shared->stylus_in_proximity = true;

	}

	input_report_key(input, BTN_STYLUS, data[1] & 0x02);

	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);

	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));

	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));

	pressure = ((data[7] & 0x01) << 8) | data[6];

	if (pressure < 0)

		pressure = features->pressure_max + pressure + 1;

	input_report_abs(input, ABS_PRESSURE, pressure);

	input_report_key(input, BTN_TOUCH, data[1] & 0x05);

	if (!prox) { /* out-prox */

		wacom->id[0] = 0;

		wacom->shared->stylus_in_proximity = false;

	}

	input_report_key(input, wacom->tool[0], prox);



	return 1;

}



static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)

{

	char *data = wacom->data;

	int prox = 0;



	dbg("wacom_tpc_irq: received report #%d", data[0]);
@@ -757,37 +791,10 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) 
		}

		/* keep prox bit to send proper out-prox event */

		wacom->id[1] = prox;

	} else if (data[0] == WACOM_REPORT_PENABLED) { /* Penabled */

		prox = data[1] & 0x20;

	} else if (data[0] == WACOM_REPORT_PENABLED)

		return wacom_tpc_pen(wacom);



		if (!wacom->shared->stylus_in_proximity) { /* first in prox */

			/* Going into proximity select tool */

			wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;

			if (wacom->tool[0] == BTN_TOOL_PEN)

				wacom->id[0] = STYLUS_DEVICE_ID;

			else

				wacom->id[0] = ERASER_DEVICE_ID;



			wacom->shared->stylus_in_proximity = true;

		}

		input_report_key(input, BTN_STYLUS, data[1] & 0x02);

		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);

		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));

		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));

		pressure = ((data[7] & 0x01) << 8) | data[6];

		if (pressure < 0)

			pressure = features->pressure_max + pressure + 1;

		input_report_abs(input, ABS_PRESSURE, pressure);

		input_report_key(input, BTN_TOUCH, data[1] & 0x05);

		if (!prox) { /* out-prox */

			wacom->id[0] = 0;

			wacom->shared->stylus_in_proximity = false;

		}

		input_report_key(input, wacom->tool[0], prox);

		input_report_abs(input, ABS_MISC, wacom->id[0]);

		retval = 1;

	}

	return retval;

	return 0;

}



static int wacom_bpt_touch(struct wacom_wac *wacom)