[linux-2.6-block.git] / drivers / input / rmi4 / rmi_2d_sensor.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2011-2016 Synaptics Incorporated
 * Copyright (c) 2011 Unixphere
 */

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/of.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/rmi.h>
#include "rmi_driver.h"
#include "rmi_2d_sensor.h"

#define RMI_2D_REL_POS_MIN		-128
#define RMI_2D_REL_POS_MAX		127

/* maximum ABS_MT_POSITION displacement (in mm) */
#define DMAX 10

void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
				struct rmi_2d_sensor_abs_object *obj,
				int slot)
{
	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;

	/* we keep the previous values if the finger is released */
	if (obj->type == RMI_2D_OBJECT_NONE)
		return;

	if (axis_align->flip_x)
		obj->x = sensor->max_x - obj->x;

	if (axis_align->flip_y)
		obj->y = sensor->max_y - obj->y;

	if (axis_align->swap_axes)
		swap(obj->x, obj->y);

	/*
	 * Here checking if X offset or y offset are specified is
	 * redundant. We just add the offsets or clip the values.
	 *
	 * Note: offsets need to be applied before clipping occurs,
	 * or we could get funny values that are outside of
	 * clipping boundaries.
	 */
	obj->x += axis_align->offset_x;
	obj->y += axis_align->offset_y;

	obj->x =  max(axis_align->clip_x_low, obj->x);
	obj->y =  max(axis_align->clip_y_low, obj->y);

	if (axis_align->clip_x_high)
		obj->x = min(sensor->max_x, obj->x);

	if (axis_align->clip_y_high)
		obj->y =  min(sensor->max_y, obj->y);

	sensor->tracking_pos[slot].x = obj->x;
	sensor->tracking_pos[slot].y = obj->y;
}
EXPORT_SYMBOL_GPL(rmi_2d_sensor_abs_process);

void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
				struct rmi_2d_sensor_abs_object *obj,
				int slot)
{
	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;
	struct input_dev *input = sensor->input;
	int wide, major, minor;

	if (sensor->kernel_tracking)
		input_mt_slot(input, sensor->tracking_slots[slot]);
	else
		input_mt_slot(input, slot);

	input_mt_report_slot_state(input, obj->mt_tool,
				   obj->type != RMI_2D_OBJECT_NONE);

	if (obj->type != RMI_2D_OBJECT_NONE) {
		obj->x = sensor->tracking_pos[slot].x;
		obj->y = sensor->tracking_pos[slot].y;

		if (axis_align->swap_axes)
			swap(obj->wx, obj->wy);

		wide = (obj->wx > obj->wy);
		major = max(obj->wx, obj->wy);
		minor = min(obj->wx, obj->wy);

		if (obj->type == RMI_2D_OBJECT_STYLUS) {
			major = max(1, major);
			minor = max(1, minor);
		}

		input_event(sensor->input, EV_ABS, ABS_MT_POSITION_X, obj->x);
		input_event(sensor->input, EV_ABS, ABS_MT_POSITION_Y, obj->y);
		input_event(sensor->input, EV_ABS, ABS_MT_ORIENTATION, wide);
		input_event(sensor->input, EV_ABS, ABS_MT_PRESSURE, obj->z);
		input_event(sensor->input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
		input_event(sensor->input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);

		rmi_dbg(RMI_DEBUG_2D_SENSOR, &sensor->input->dev,
			"%s: obj[%d]: type: 0x%02x X: %d Y: %d Z: %d WX: %d WY: %d\n",
			__func__, slot, obj->type, obj->x, obj->y, obj->z,
			obj->wx, obj->wy);
	}
}
EXPORT_SYMBOL_GPL(rmi_2d_sensor_abs_report);

void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y)
{
	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;

	x = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)x));
	y = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)y));

	if (axis_align->flip_x)
		x = min(RMI_2D_REL_POS_MAX, -x);

	if (axis_align->flip_y)
		y = min(RMI_2D_REL_POS_MAX, -y);

	if (axis_align->swap_axes)
		swap(x, y);

	if (x || y) {
		input_report_rel(sensor->input, REL_X, x);
		input_report_rel(sensor->input, REL_Y, y);
	}
}
EXPORT_SYMBOL_GPL(rmi_2d_sensor_rel_report);

static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
{
	struct input_dev *input = sensor->input;
	int res_x;
	int res_y;
	int max_x, max_y;
	int input_flags = 0;

	if (sensor->report_abs) {
		sensor->min_x = sensor->axis_align.clip_x_low;
		if (sensor->axis_align.clip_x_high)
			sensor->max_x = min(sensor->max_x,
				sensor->axis_align.clip_x_high);

		sensor->min_y = sensor->axis_align.clip_y_low;
		if (sensor->axis_align.clip_y_high)
			sensor->max_y = min(sensor->max_y,
				sensor->axis_align.clip_y_high);

		set_bit(EV_ABS, input->evbit);

		max_x = sensor->max_x;
		max_y = sensor->max_y;
		if (sensor->axis_align.swap_axes)
			swap(max_x, max_y);
		input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_x, 0, 0);
		input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_y, 0, 0);

		if (sensor->x_mm && sensor->y_mm) {
			res_x = (sensor->max_x - sensor->min_x) / sensor->x_mm;
			res_y = (sensor->max_y - sensor->min_y) / sensor->y_mm;
			if (sensor->axis_align.swap_axes)
				swap(res_x, res_y);

			input_abs_set_res(input, ABS_X, res_x);
			input_abs_set_res(input, ABS_Y, res_y);

			input_abs_set_res(input, ABS_MT_POSITION_X, res_x);
			input_abs_set_res(input, ABS_MT_POSITION_Y, res_y);

			if (!sensor->dmax)
				sensor->dmax = DMAX * res_x;
		}

		input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xff, 0, 0);
		input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 0x0f, 0, 0);
		input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 0x0f, 0, 0);
		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
		input_set_abs_params(input, ABS_MT_TOOL_TYPE,
				     0, MT_TOOL_MAX, 0, 0);

		if (sensor->sensor_type == rmi_sensor_touchpad)
			input_flags = INPUT_MT_POINTER;
		else
			input_flags = INPUT_MT_DIRECT;

		if (sensor->kernel_tracking)
			input_flags |= INPUT_MT_TRACK;

		input_mt_init_slots(input, sensor->nbr_fingers, input_flags);
	}

	if (sensor->report_rel) {
		set_bit(EV_REL, input->evbit);
		set_bit(REL_X, input->relbit);
		set_bit(REL_Y, input->relbit);
	}

	if (sensor->topbuttonpad)
		set_bit(INPUT_PROP_TOPBUTTONPAD, input->propbit);
}

int rmi_2d_sensor_configure_input(struct rmi_function *fn,
					struct rmi_2d_sensor *sensor)
{
	struct rmi_device *rmi_dev = fn->rmi_dev;
	struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);

	if (!drv_data->input)
		return -ENODEV;

	sensor->input = drv_data->input;
	rmi_2d_sensor_set_input_params(sensor);

	return 0;
}
EXPORT_SYMBOL_GPL(rmi_2d_sensor_configure_input);

#ifdef CONFIG_OF
int rmi_2d_sensor_of_probe(struct device *dev,
			struct rmi_2d_sensor_platform_data *pdata)
{
	int retval;
	u32 val;

	pdata->axis_align.swap_axes = of_property_read_bool(dev->of_node,
						"touchscreen-swapped-x-y");

	pdata->axis_align.flip_x = of_property_read_bool(dev->of_node,
						"touchscreen-inverted-x");

	pdata->axis_align.flip_y = of_property_read_bool(dev->of_node,
						"touchscreen-inverted-y");

	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-x-low", 1);
	if (retval)
		return retval;

	pdata->axis_align.clip_x_low = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-y-low",	1);
	if (retval)
		return retval;

	pdata->axis_align.clip_y_low = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-x-high", 1);
	if (retval)
		return retval;

	pdata->axis_align.clip_x_high = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-y-high", 1);
	if (retval)
		return retval;

	pdata->axis_align.clip_y_high = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,offset-x", 1);
	if (retval)
		return retval;

	pdata->axis_align.offset_x = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,offset-y", 1);
	if (retval)
		return retval;

	pdata->axis_align.offset_y = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,delta-x-threshold",
						1);
	if (retval)
		return retval;

	pdata->axis_align.delta_x_threshold = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,delta-y-threshold",
						1);
	if (retval)
		return retval;

	pdata->axis_align.delta_y_threshold = val;

	retval = rmi_of_property_read_u32(dev, (u32 *)&pdata->sensor_type,
			"syna,sensor-type", 1);
	if (retval)
		return retval;

	retval = rmi_of_property_read_u32(dev, &val, "touchscreen-x-mm", 1);
	if (retval)
		return retval;

	pdata->x_mm = val;

	retval = rmi_of_property_read_u32(dev, &val, "touchscreen-y-mm", 1);
	if (retval)
		return retval;

	pdata->y_mm = val;

	retval = rmi_of_property_read_u32(dev, &val,
				"syna,disable-report-mask", 1);
	if (retval)
		return retval;

	pdata->disable_report_mask = val;

	retval = rmi_of_property_read_u32(dev, &val, "syna,rezero-wait-ms",
						1);
	if (retval)
		return retval;

	pdata->rezero_wait = val;

	return 0;
}
#else
inline int rmi_2d_sensor_of_probe(struct device *dev,
			struct rmi_2d_sensor_platform_data *pdata)
{
	return -ENODEV;
}
#endif
EXPORT_SYMBOL_GPL(rmi_2d_sensor_of_probe);
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0-only
	2	/*
	3	* Copyright (c) 2011-2016 Synaptics Incorporated
	4	* Copyright (c) 2011 Unixphere
	5	*/
	6
	7	#include <linux/kernel.h>
	8	#include <linux/device.h>
	9	#include <linux/of.h>
	10	#include <linux/input.h>
	11	#include <linux/input/mt.h>
	12	#include <linux/rmi.h>
	13	#include "rmi_driver.h"
	14	#include "rmi_2d_sensor.h"
	15
	16	#define RMI_2D_REL_POS_MIN -128
	17	#define RMI_2D_REL_POS_MAX 127
	18
	19	/* maximum ABS_MT_POSITION displacement (in mm) */
	20	#define DMAX 10
	21
	22	void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
	23	struct rmi_2d_sensor_abs_object *obj,
	24	int slot)
	25	{
	26	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;
	27
	28	/* we keep the previous values if the finger is released */
	29	if (obj->type == RMI_2D_OBJECT_NONE)
	30	return;
	31
	32	if (axis_align->flip_x)
	33	obj->x = sensor->max_x - obj->x;
	34
	35	if (axis_align->flip_y)
	36	obj->y = sensor->max_y - obj->y;
	37
	38	if (axis_align->swap_axes)
	39	swap(obj->x, obj->y);
	40
	41	/*
	42	* Here checking if X offset or y offset are specified is
	43	* redundant. We just add the offsets or clip the values.
	44	*
	45	* Note: offsets need to be applied before clipping occurs,
	46	* or we could get funny values that are outside of
	47	* clipping boundaries.
	48	*/
	49	obj->x += axis_align->offset_x;
	50	obj->y += axis_align->offset_y;
	51
	52	obj->x = max(axis_align->clip_x_low, obj->x);
	53	obj->y = max(axis_align->clip_y_low, obj->y);
	54
	55	if (axis_align->clip_x_high)
	56	obj->x = min(sensor->max_x, obj->x);
	57
	58	if (axis_align->clip_y_high)
	59	obj->y = min(sensor->max_y, obj->y);
	60
	61	sensor->tracking_pos[slot].x = obj->x;
	62	sensor->tracking_pos[slot].y = obj->y;
	63	}
	64	EXPORT_SYMBOL_GPL(rmi_2d_sensor_abs_process);
	65
	66	void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
	67	struct rmi_2d_sensor_abs_object *obj,
	68	int slot)
	69	{
	70	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;
	71	struct input_dev *input = sensor->input;
	72	int wide, major, minor;
	73
	74	if (sensor->kernel_tracking)
	75	input_mt_slot(input, sensor->tracking_slots[slot]);
	76	else
	77	input_mt_slot(input, slot);
	78
	79	input_mt_report_slot_state(input, obj->mt_tool,
	80	obj->type != RMI_2D_OBJECT_NONE);
	81
	82	if (obj->type != RMI_2D_OBJECT_NONE) {
	83	obj->x = sensor->tracking_pos[slot].x;
	84	obj->y = sensor->tracking_pos[slot].y;
	85
	86	if (axis_align->swap_axes)
	87	swap(obj->wx, obj->wy);
	88
	89	wide = (obj->wx > obj->wy);
	90	major = max(obj->wx, obj->wy);
	91	minor = min(obj->wx, obj->wy);
	92
	93	if (obj->type == RMI_2D_OBJECT_STYLUS) {
	94	major = max(1, major);
	95	minor = max(1, minor);
	96	}
	97
	98	input_event(sensor->input, EV_ABS, ABS_MT_POSITION_X, obj->x);
	99	input_event(sensor->input, EV_ABS, ABS_MT_POSITION_Y, obj->y);
	100	input_event(sensor->input, EV_ABS, ABS_MT_ORIENTATION, wide);
	101	input_event(sensor->input, EV_ABS, ABS_MT_PRESSURE, obj->z);
	102	input_event(sensor->input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
	103	input_event(sensor->input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
	104
	105	rmi_dbg(RMI_DEBUG_2D_SENSOR, &sensor->input->dev,
	106	"%s: obj[%d]: type: 0x%02x X: %d Y: %d Z: %d WX: %d WY: %d\n",
	107	__func__, slot, obj->type, obj->x, obj->y, obj->z,
	108	obj->wx, obj->wy);
	109	}
	110	}
	111	EXPORT_SYMBOL_GPL(rmi_2d_sensor_abs_report);
	112
	113	void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y)
	114	{
	115	struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align;
	116
	117	x = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)x));
	118	y = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)y));
	119
	120	if (axis_align->flip_x)
	121	x = min(RMI_2D_REL_POS_MAX, -x);
	122
	123	if (axis_align->flip_y)
	124	y = min(RMI_2D_REL_POS_MAX, -y);
	125
	126	if (axis_align->swap_axes)
	127	swap(x, y);
	128
	129	if (x \|\| y) {
	130	input_report_rel(sensor->input, REL_X, x);
	131	input_report_rel(sensor->input, REL_Y, y);
	132	}
	133	}
	134	EXPORT_SYMBOL_GPL(rmi_2d_sensor_rel_report);
	135
	136	static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
	137	{
	138	struct input_dev *input = sensor->input;
	139	int res_x;
	140	int res_y;
	141	int max_x, max_y;
	142	int input_flags = 0;
	143
	144	if (sensor->report_abs) {
	145	sensor->min_x = sensor->axis_align.clip_x_low;
	146	if (sensor->axis_align.clip_x_high)
	147	sensor->max_x = min(sensor->max_x,
	148	sensor->axis_align.clip_x_high);
	149
	150	sensor->min_y = sensor->axis_align.clip_y_low;
	151	if (sensor->axis_align.clip_y_high)
	152	sensor->max_y = min(sensor->max_y,
	153	sensor->axis_align.clip_y_high);
	154
	155	set_bit(EV_ABS, input->evbit);
	156
	157	max_x = sensor->max_x;
	158	max_y = sensor->max_y;
	159	if (sensor->axis_align.swap_axes)
	160	swap(max_x, max_y);
	161	input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_x, 0, 0);
	162	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_y, 0, 0);
	163
	164	if (sensor->x_mm && sensor->y_mm) {
	165	res_x = (sensor->max_x - sensor->min_x) / sensor->x_mm;
	166	res_y = (sensor->max_y - sensor->min_y) / sensor->y_mm;
	167	if (sensor->axis_align.swap_axes)
	168	swap(res_x, res_y);
	169
	170	input_abs_set_res(input, ABS_X, res_x);
	171	input_abs_set_res(input, ABS_Y, res_y);
	172
	173	input_abs_set_res(input, ABS_MT_POSITION_X, res_x);
	174	input_abs_set_res(input, ABS_MT_POSITION_Y, res_y);
	175
	176	if (!sensor->dmax)
	177	sensor->dmax = DMAX * res_x;
	178	}
	179
	180	input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xff, 0, 0);
	181	input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 0x0f, 0, 0);
	182	input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 0x0f, 0, 0);
	183	input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
	184	input_set_abs_params(input, ABS_MT_TOOL_TYPE,
	185	0, MT_TOOL_MAX, 0, 0);
	186
	187	if (sensor->sensor_type == rmi_sensor_touchpad)
	188	input_flags = INPUT_MT_POINTER;
	189	else
	190	input_flags = INPUT_MT_DIRECT;
	191
	192	if (sensor->kernel_tracking)
	193	input_flags \|= INPUT_MT_TRACK;
	194
	195	input_mt_init_slots(input, sensor->nbr_fingers, input_flags);
	196	}
	197
	198	if (sensor->report_rel) {
	199	set_bit(EV_REL, input->evbit);
	200	set_bit(REL_X, input->relbit);
	201	set_bit(REL_Y, input->relbit);
	202	}
	203
	204	if (sensor->topbuttonpad)
	205	set_bit(INPUT_PROP_TOPBUTTONPAD, input->propbit);
	206	}
	207
	208	int rmi_2d_sensor_configure_input(struct rmi_function *fn,
	209	struct rmi_2d_sensor *sensor)
	210	{
	211	struct rmi_device *rmi_dev = fn->rmi_dev;
	212	struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);
	213
	214	if (!drv_data->input)
	215	return -ENODEV;
	216
	217	sensor->input = drv_data->input;
	218	rmi_2d_sensor_set_input_params(sensor);
	219
	220	return 0;
	221	}
	222	EXPORT_SYMBOL_GPL(rmi_2d_sensor_configure_input);
	223
	224	#ifdef CONFIG_OF
	225	int rmi_2d_sensor_of_probe(struct device *dev,
	226	struct rmi_2d_sensor_platform_data *pdata)
	227	{
	228	int retval;
	229	u32 val;
	230
	231	pdata->axis_align.swap_axes = of_property_read_bool(dev->of_node,
	232	"touchscreen-swapped-x-y");
	233
	234	pdata->axis_align.flip_x = of_property_read_bool(dev->of_node,
	235	"touchscreen-inverted-x");
	236
	237	pdata->axis_align.flip_y = of_property_read_bool(dev->of_node,
	238	"touchscreen-inverted-y");
	239
	240	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-x-low", 1);
	241	if (retval)
	242	return retval;
	243
	244	pdata->axis_align.clip_x_low = val;
	245
	246	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-y-low", 1);
	247	if (retval)
	248	return retval;
	249
	250	pdata->axis_align.clip_y_low = val;
	251
	252	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-x-high", 1);
	253	if (retval)
	254	return retval;
	255
	256	pdata->axis_align.clip_x_high = val;
	257
	258	retval = rmi_of_property_read_u32(dev, &val, "syna,clip-y-high", 1);
	259	if (retval)
	260	return retval;
	261
	262	pdata->axis_align.clip_y_high = val;
	263
	264	retval = rmi_of_property_read_u32(dev, &val, "syna,offset-x", 1);
	265	if (retval)
	266	return retval;
	267
	268	pdata->axis_align.offset_x = val;
	269
	270	retval = rmi_of_property_read_u32(dev, &val, "syna,offset-y", 1);
	271	if (retval)
	272	return retval;
	273
	274	pdata->axis_align.offset_y = val;
	275
	276	retval = rmi_of_property_read_u32(dev, &val, "syna,delta-x-threshold",
	277	1);
	278	if (retval)
	279	return retval;
	280
	281	pdata->axis_align.delta_x_threshold = val;
	282
	283	retval = rmi_of_property_read_u32(dev, &val, "syna,delta-y-threshold",
	284	1);
	285	if (retval)
	286	return retval;
	287
	288	pdata->axis_align.delta_y_threshold = val;
	289
	290	retval = rmi_of_property_read_u32(dev, (u32 *)&pdata->sensor_type,
	291	"syna,sensor-type", 1);
	292	if (retval)
	293	return retval;
	294
	295	retval = rmi_of_property_read_u32(dev, &val, "touchscreen-x-mm", 1);
	296	if (retval)
	297	return retval;
	298
	299	pdata->x_mm = val;
	300
	301	retval = rmi_of_property_read_u32(dev, &val, "touchscreen-y-mm", 1);
	302	if (retval)
	303	return retval;
	304
	305	pdata->y_mm = val;
	306
	307	retval = rmi_of_property_read_u32(dev, &val,
	308	"syna,disable-report-mask", 1);
	309	if (retval)
	310	return retval;
	311
	312	pdata->disable_report_mask = val;
	313
	314	retval = rmi_of_property_read_u32(dev, &val, "syna,rezero-wait-ms",
	315	1);
	316	if (retval)
	317	return retval;
	318
	319	pdata->rezero_wait = val;
	320
	321	return 0;
	322	}
	323	#else
	324	inline int rmi_2d_sensor_of_probe(struct device *dev,
	325	struct rmi_2d_sensor_platform_data *pdata)
	326	{
	327	return -ENODEV;
	328	}
	329	#endif
	330	EXPORT_SYMBOL_GPL(rmi_2d_sensor_of_probe);