[deliverable/linux.git] / drivers / input / touchscreen / tps6507x-ts.c

/*
 * Touchscreen driver for the tps6507x chip.
 *
 * Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
 *
 * Credits:
 *
 *    Using code from tsc2007, MtekVision Co., Ltd.
 *
 * For licencing details see kernel-base/COPYING
 *
 * TPS65070, TPS65073, TPS650731, and TPS650732 support
 * 10 bit touch screen interface.
 */

#include <linux/module.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/mfd/tps6507x.h>
#include <linux/input/tps6507x-ts.h>
#include <linux/delay.h>

#define TSC_DEFAULT_POLL_PERIOD 30 /* ms */
#define TPS_DEFAULT_MIN_PRESSURE 0x30
#define MAX_10BIT ((1 << 10) - 1)

#define	TPS6507X_ADCONFIG_CONVERT_TS (TPS6507X_ADCONFIG_AD_ENABLE | \
					 TPS6507X_ADCONFIG_START_CONVERSION | \
					 TPS6507X_ADCONFIG_INPUT_REAL_TSC)
#define	TPS6507X_ADCONFIG_POWER_DOWN_TS (TPS6507X_ADCONFIG_INPUT_REAL_TSC)

struct ts_event {
	u16	x;
	u16	y;
	u16	pressure;
};

struct tps6507x_ts {
	struct input_dev	*input_dev;
	struct device		*dev;
	char			phys[32];
	struct delayed_work	work;
	struct ts_event		tc;
	struct tps6507x_dev	*mfd;
	u16			model;
	unsigned		pendown;
	int			irq;
	void			(*clear_penirq)(void);
	unsigned long		poll_period;	/* ms */
	u16			min_pressure;
	int			vref;		/* non-zero to leave vref on */
};

static int tps6507x_read_u8(struct tps6507x_ts *tsc, u8 reg, u8 *data)
{
	int err;

	err = tsc->mfd->read_dev(tsc->mfd, reg, 1, data);

	if (err)
		return err;

	return 0;
}

static int tps6507x_write_u8(struct tps6507x_ts *tsc, u8 reg, u8 data)
{
	return tsc->mfd->write_dev(tsc->mfd, reg, 1, &data);
}

static s32 tps6507x_adc_conversion(struct tps6507x_ts *tsc,
				   u8 tsc_mode, u16 *value)
{
	s32 ret;
	u8 adc_status;
	u8 result;

	/* Route input signal to A/D converter */

	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE, tsc_mode);
	if (ret) {
		dev_err(tsc->dev, "TSC mode read failed\n");
		goto err;
	}

	/* Start A/D conversion */

	ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG,
				TPS6507X_ADCONFIG_CONVERT_TS);
	if (ret) {
		dev_err(tsc->dev, "ADC config write failed\n");
		return ret;
	}

	do {
		ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADCONFIG,
				       &adc_status);
		if (ret) {
			dev_err(tsc->dev, "ADC config read failed\n");
			goto err;
		}
	} while (adc_status & TPS6507X_ADCONFIG_START_CONVERSION);

	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_2, &result);
	if (ret) {
		dev_err(tsc->dev, "ADC result 2 read failed\n");
		goto err;
	}

	*value = (result & TPS6507X_REG_ADRESULT_2_MASK) << 8;

	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_1, &result);
	if (ret) {
		dev_err(tsc->dev, "ADC result 1 read failed\n");
		goto err;
	}

	*value |= result;

	dev_dbg(tsc->dev, "TSC channel %d = 0x%X\n", tsc_mode, *value);

err:
	return ret;
}

/* Need to call tps6507x_adc_standby() after using A/D converter for the
 * touch screen interrupt to work properly.
 */

static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc)
{
	s32 ret;
	s32 loops = 0;
	u8 val;

	ret = tps6507x_write_u8(tsc,  TPS6507X_REG_ADCONFIG,
				TPS6507X_ADCONFIG_INPUT_TSC);
	if (ret)
		return ret;

	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE,
				TPS6507X_TSCMODE_STANDBY);
	if (ret)
		return ret;

	ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
	if (ret)
		return ret;

	while (val & TPS6507X_REG_TSC_INT) {
		mdelay(10);
		ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
		if (ret)
			return ret;
		loops++;
	}

	return ret;
}

static void tps6507x_ts_handler(struct work_struct *work)
{
	struct tps6507x_ts *tsc =  container_of(work,
				struct tps6507x_ts, work.work);
	struct input_dev *input_dev = tsc->input_dev;
	int pendown;
	int schd;
	s32 ret;

	ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_PRESSURE,
				       &tsc->tc.pressure);
	if (ret)
		goto done;

	pendown = tsc->tc.pressure > tsc->min_pressure;

	if (unlikely(!pendown && tsc->pendown)) {
		dev_dbg(tsc->dev, "UP\n");
		input_report_key(input_dev, BTN_TOUCH, 0);
		input_report_abs(input_dev, ABS_PRESSURE, 0);
		input_sync(input_dev);
		tsc->pendown = 0;
	}

	if (pendown) {

		if (!tsc->pendown) {
			dev_dbg(tsc->dev, "DOWN\n");
			input_report_key(input_dev, BTN_TOUCH, 1);
		} else
			dev_dbg(tsc->dev, "still down\n");

		ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_X_POSITION,
					       &tsc->tc.x);
		if (ret)
			goto done;

		ret =  tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_Y_POSITION,
					       &tsc->tc.y);
		if (ret)
			goto done;

		input_report_abs(input_dev, ABS_X, tsc->tc.x);
		input_report_abs(input_dev, ABS_Y, tsc->tc.y);
		input_report_abs(input_dev, ABS_PRESSURE, tsc->tc.pressure);
		input_sync(input_dev);
		tsc->pendown = 1;
	}

done:
	/* always poll if not using interrupts */
	schd = schedule_delayed_work(&tsc->work,
				msecs_to_jiffies(tsc->poll_period));
	if (!schd)
		dev_err(tsc->dev, "re-schedule failed");

	ret = tps6507x_adc_standby(tsc);
}

static int tps6507x_ts_probe(struct platform_device *pdev)
{
	int error;
	struct tps6507x_ts *tsc;
	struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
	struct touchscreen_init_data *init_data;
	struct input_dev *input_dev;
	struct tps6507x_board *tps_board;
	int schd;

	/**
	 * tps_board points to pmic related constants
	 * coming from the board-evm file.
	 */

	tps_board = (struct tps6507x_board *)tps6507x_dev->dev->platform_data;

	if (!tps_board) {
		dev_err(tps6507x_dev->dev,
			"Could not find tps6507x platform data\n");
		return -EIO;
	}

	/**
	 * init_data points to array of regulator_init structures
	 * coming from the board-evm file.
	 */

	init_data = tps_board->tps6507x_ts_init_data;

	tsc = kzalloc(sizeof(struct tps6507x_ts), GFP_KERNEL);
	if (!tsc) {
		dev_err(tps6507x_dev->dev, "failed to allocate driver data\n");
		error = -ENOMEM;
		goto err0;
	}

	tps6507x_dev->ts = tsc;
	tsc->mfd = tps6507x_dev;
	tsc->dev = tps6507x_dev->dev;
	input_dev = input_allocate_device();
	if (!input_dev) {
		dev_err(tsc->dev, "Failed to allocate input device.\n");
		error = -ENOMEM;
		goto err1;
	}

	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);

	input_set_abs_params(input_dev, ABS_X, 0, MAX_10BIT, 0, 0);
	input_set_abs_params(input_dev, ABS_Y, 0, MAX_10BIT, 0, 0);
	input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_10BIT, 0, 0);

	input_dev->name = "TPS6507x Touchscreen";
	input_dev->id.bustype = BUS_I2C;
	input_dev->dev.parent = tsc->dev;

	snprintf(tsc->phys, sizeof(tsc->phys),
		 "%s/input0", dev_name(tsc->dev));
	input_dev->phys = tsc->phys;

	dev_dbg(tsc->dev, "device: %s\n", input_dev->phys);

	input_set_drvdata(input_dev, tsc);

	tsc->input_dev = input_dev;

	INIT_DELAYED_WORK(&tsc->work, tps6507x_ts_handler);

	if (init_data) {
		tsc->poll_period = init_data->poll_period;
		tsc->vref = init_data->vref;
		tsc->min_pressure = init_data->min_pressure;
		input_dev->id.vendor = init_data->vendor;
		input_dev->id.product = init_data->product;
		input_dev->id.version = init_data->version;
	} else {
		tsc->poll_period = TSC_DEFAULT_POLL_PERIOD;
		tsc->min_pressure = TPS_DEFAULT_MIN_PRESSURE;
	}

	error = tps6507x_adc_standby(tsc);
	if (error)
		goto err2;

	error = input_register_device(input_dev);
	if (error)
		goto err2;

	schd = schedule_delayed_work(&tsc->work,
				     msecs_to_jiffies(tsc->poll_period));

	if (!schd) {
		dev_err(tsc->dev, "schedule failed");
		goto err2;
	 }
	platform_set_drvdata(pdev, tps6507x_dev);

	return 0;

err2:
	cancel_delayed_work_sync(&tsc->work);
	input_free_device(input_dev);
err1:
	kfree(tsc);
	tps6507x_dev->ts = NULL;
err0:
	return error;
}

static int tps6507x_ts_remove(struct platform_device *pdev)
{
	struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev);
	struct tps6507x_ts *tsc = tps6507x_dev->ts;
	struct input_dev *input_dev = tsc->input_dev;

	cancel_delayed_work_sync(&tsc->work);

	input_unregister_device(input_dev);

	tps6507x_dev->ts = NULL;
	kfree(tsc);

	return 0;
}

static struct platform_driver tps6507x_ts_driver = {
	.driver = {
		.name = "tps6507x-ts",
		.owner = THIS_MODULE,
	},
	.probe = tps6507x_ts_probe,
	.remove = tps6507x_ts_remove,
};
module_platform_driver(tps6507x_ts_driver);

MODULE_AUTHOR("Todd Fischer <todd.fischer@ridgerun.com>");
MODULE_DESCRIPTION("TPS6507x - TouchScreen driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:tps6507x-ts");
Commit	Line	Data
75259966	1	/*
75259966 TF	2	* Touchscreen driver for the tps6507x chip.
	3	*
	4	* Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
	5	*
	6	* Credits:
	7	*
	8	* Using code from tsc2007, MtekVision Co., Ltd.
	9	*
	10	* For licencing details see kernel-base/COPYING
	11	*
	12	* TPS65070, TPS65073, TPS650731, and TPS650732 support
	13	* 10 bit touch screen interface.
	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/workqueue.h>
	18	#include <linux/slab.h>
	19	#include <linux/input.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/mfd/tps6507x.h>
	22	#include <linux/input/tps6507x-ts.h>
	23	#include <linux/delay.h>
	24
	25	#define TSC_DEFAULT_POLL_PERIOD 30 /* ms */
	26	#define TPS_DEFAULT_MIN_PRESSURE 0x30
	27	#define MAX_10BIT ((1 << 10) - 1)
	28
	29	#define TPS6507X_ADCONFIG_CONVERT_TS (TPS6507X_ADCONFIG_AD_ENABLE \| \
	30	TPS6507X_ADCONFIG_START_CONVERSION \| \
	31	TPS6507X_ADCONFIG_INPUT_REAL_TSC)
	32	#define TPS6507X_ADCONFIG_POWER_DOWN_TS (TPS6507X_ADCONFIG_INPUT_REAL_TSC)
	33
	34	struct ts_event {
	35	u16 x;
	36	u16 y;
	37	u16 pressure;
	38	};
	39
	40	struct tps6507x_ts {
	41	struct input_dev *input_dev;
	42	struct device *dev;
	43	char phys[32];
75259966	44	struct delayed_work work;
75259966 TF	45	struct ts_event tc;
	46	struct tps6507x_dev *mfd;
	47	u16 model;
	48	unsigned pendown;
	49	int irq;
	50	void (*clear_penirq)(void);
	51	unsigned long poll_period; /* ms */
	52	u16 min_pressure;
	53	int vref; /* non-zero to leave vref on */
	54	};
	55
	56	static int tps6507x_read_u8(struct tps6507x_ts tsc, u8 reg, u8 data)
	57	{
	58	int err;
	59
	60	err = tsc->mfd->read_dev(tsc->mfd, reg, 1, data);
	61
	62	if (err)
	63	return err;
	64
	65	return 0;
	66	}
	67
	68	static int tps6507x_write_u8(struct tps6507x_ts *tsc, u8 reg, u8 data)
	69	{
	70	return tsc->mfd->write_dev(tsc->mfd, reg, 1, &data);
	71	}
	72
	73	static s32 tps6507x_adc_conversion(struct tps6507x_ts *tsc,
	74	u8 tsc_mode, u16 *value)
	75	{
	76	s32 ret;
	77	u8 adc_status;
	78	u8 result;
	79
	80	/* Route input signal to A/D converter */
	81
	82	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE, tsc_mode);
	83	if (ret) {
	84	dev_err(tsc->dev, "TSC mode read failed\n");
	85	goto err;
	86	}
	87
	88	/* Start A/D conversion */
	89
	90	ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG,
	91	TPS6507X_ADCONFIG_CONVERT_TS);
	92	if (ret) {
	93	dev_err(tsc->dev, "ADC config write failed\n");
	94	return ret;
	95	}
	96
	97	do {
	98	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADCONFIG,
	99	&adc_status);
	100	if (ret) {
	101	dev_err(tsc->dev, "ADC config read failed\n");
	102	goto err;
	103	}
	104	} while (adc_status & TPS6507X_ADCONFIG_START_CONVERSION);
	105
	106	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_2, &result);
	107	if (ret) {
	108	dev_err(tsc->dev, "ADC result 2 read failed\n");
109	goto err;
110	}
111
112	*value = (result & TPS6507X_REG_ADRESULT_2_MASK) << 8;
113
114	ret = tps6507x_read_u8(tsc, TPS6507X_REG_ADRESULT_1, &result);
115	if (ret) {
116	dev_err(tsc->dev, "ADC result 1 read failed\n");
117	goto err;
118	}
119
120	*value \|= result;
121
122	dev_dbg(tsc->dev, "TSC channel %d = 0x%X\n", tsc_mode, *value);
123
124	err:
125	return ret;
126	}
127
128	/* Need to call tps6507x_adc_standby() after using A/D converter for the
129	* touch screen interrupt to work properly.
130	*/
131
132	static s32 tps6507x_adc_standby(struct tps6507x_ts *tsc)
133	{
134	s32 ret;
135	s32 loops = 0;
136	u8 val;
137
138	ret = tps6507x_write_u8(tsc, TPS6507X_REG_ADCONFIG,
139	TPS6507X_ADCONFIG_INPUT_TSC);
140	if (ret)
141	return ret;
142
143	ret = tps6507x_write_u8(tsc, TPS6507X_REG_TSCMODE,
144	TPS6507X_TSCMODE_STANDBY);
145	if (ret)
146	return ret;
147
148	ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
149	if (ret)
150	return ret;
151
152	while (val & TPS6507X_REG_TSC_INT) {
153	mdelay(10);
154	ret = tps6507x_read_u8(tsc, TPS6507X_REG_INT, &val);
155	if (ret)
156	return ret;
157	loops++;
158	}
159
160	return ret;
161	}
162
163	static void tps6507x_ts_handler(struct work_struct *work)
164	{
165	struct tps6507x_ts *tsc = container_of(work,
166	struct tps6507x_ts, work.work);
167	struct input_dev *input_dev = tsc->input_dev;
168	int pendown;
169	int schd;
75259966 TF	170	s32 ret;
	171
	172	ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_PRESSURE,
	173	&tsc->tc.pressure);
	174	if (ret)
	175	goto done;
	176
	177	pendown = tsc->tc.pressure > tsc->min_pressure;
	178
	179	if (unlikely(!pendown && tsc->pendown)) {
	180	dev_dbg(tsc->dev, "UP\n");
	181	input_report_key(input_dev, BTN_TOUCH, 0);
	182	input_report_abs(input_dev, ABS_PRESSURE, 0);
	183	input_sync(input_dev);
	184	tsc->pendown = 0;
	185	}
	186
	187	if (pendown) {
	188
	189	if (!tsc->pendown) {
	190	dev_dbg(tsc->dev, "DOWN\n");
	191	input_report_key(input_dev, BTN_TOUCH, 1);
	192	} else
	193	dev_dbg(tsc->dev, "still down\n");
	194
	195	ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_X_POSITION,
	196	&tsc->tc.x);
	197	if (ret)
	198	goto done;
	199
	200	ret = tps6507x_adc_conversion(tsc, TPS6507X_TSCMODE_Y_POSITION,
	201	&tsc->tc.y);
	202	if (ret)
	203	goto done;
	204
	205	input_report_abs(input_dev, ABS_X, tsc->tc.x);
	206	input_report_abs(input_dev, ABS_Y, tsc->tc.y);
	207	input_report_abs(input_dev, ABS_PRESSURE, tsc->tc.pressure);
	208	input_sync(input_dev);
	209	tsc->pendown = 1;
75259966 TF	210	}
	211
	212	done:
	213	/* always poll if not using interrupts */
04848ba8 AC	214	schd = schedule_delayed_work(&tsc->work,
	215	msecs_to_jiffies(tsc->poll_period));
	216	if (!schd)
	217	dev_err(tsc->dev, "re-schedule failed");
75259966 TF	218
	219	ret = tps6507x_adc_standby(tsc);
	220	}
	221
	222	static int tps6507x_ts_probe(struct platform_device *pdev)
	223	{
	224	int error;
	225	struct tps6507x_ts *tsc;
	226	struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
	227	struct touchscreen_init_data *init_data;
	228	struct input_dev *input_dev;
	229	struct tps6507x_board *tps_board;
	230	int schd;
	231
	232	/**
	233	* tps_board points to pmic related constants
	234	* coming from the board-evm file.
	235	*/
	236
	237	tps_board = (struct tps6507x_board *)tps6507x_dev->dev->platform_data;
	238
	239	if (!tps_board) {
	240	dev_err(tps6507x_dev->dev,
	241	"Could not find tps6507x platform data\n");
	242	return -EIO;
	243	}
	244
	245	/**
	246	* init_data points to array of regulator_init structures
	247	* coming from the board-evm file.
	248	*/
	249
	250	init_data = tps_board->tps6507x_ts_init_data;
	251
	252	tsc = kzalloc(sizeof(struct tps6507x_ts), GFP_KERNEL);
	253	if (!tsc) {
	254	dev_err(tps6507x_dev->dev, "failed to allocate driver data\n");
	255	error = -ENOMEM;
	256	goto err0;
	257	}
	258
	259	tps6507x_dev->ts = tsc;
	260	tsc->mfd = tps6507x_dev;
	261	tsc->dev = tps6507x_dev->dev;
	262	input_dev = input_allocate_device();
	263	if (!input_dev) {
	264	dev_err(tsc->dev, "Failed to allocate input device.\n");
	265	error = -ENOMEM;
	266	goto err1;
	267	}
	268
	269	input_dev->evbit[0] = BIT_MASK(EV_KEY) \| BIT_MASK(EV_ABS);
	270	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
	271
	272	input_set_abs_params(input_dev, ABS_X, 0, MAX_10BIT, 0, 0);
	273	input_set_abs_params(input_dev, ABS_Y, 0, MAX_10BIT, 0, 0);
	274	input_set_abs_params(input_dev, ABS_PRESSURE, 0, MAX_10BIT, 0, 0);
	275
	276	input_dev->name = "TPS6507x Touchscreen";
	277	input_dev->id.bustype = BUS_I2C;
	278	input_dev->dev.parent = tsc->dev;
	279
	280	snprintf(tsc->phys, sizeof(tsc->phys),
	281	"%s/input0", dev_name(tsc->dev));
282	input_dev->phys = tsc->phys;
283
284	dev_dbg(tsc->dev, "device: %s\n", input_dev->phys);
285
286	input_set_drvdata(input_dev, tsc);
287
288	tsc->input_dev = input_dev;
289
290	INIT_DELAYED_WORK(&tsc->work, tps6507x_ts_handler);
75259966 TF	291
	292	if (init_data) {
	293	tsc->poll_period = init_data->poll_period;
	294	tsc->vref = init_data->vref;
	295	tsc->min_pressure = init_data->min_pressure;
	296	input_dev->id.vendor = init_data->vendor;
	297	input_dev->id.product = init_data->product;
	298	input_dev->id.version = init_data->version;
	299	} else {
	300	tsc->poll_period = TSC_DEFAULT_POLL_PERIOD;
	301	tsc->min_pressure = TPS_DEFAULT_MIN_PRESSURE;
	302	}
	303
	304	error = tps6507x_adc_standby(tsc);
	305	if (error)
	306	goto err2;
	307
	308	error = input_register_device(input_dev);
	309	if (error)
	310	goto err2;
	311
1c1e8646 TH	312	schd = schedule_delayed_work(&tsc->work,
1c1e8646 TH	313	msecs_to_jiffies(tsc->poll_period));
75259966	314
04848ba8	315	if (!schd) {
75259966 TF	316	dev_err(tsc->dev, "schedule failed");
	317	goto err2;
	318	}
98417884	319	platform_set_drvdata(pdev, tps6507x_dev);
75259966 TF	320
	321	return 0;
	322
	323	err2:
f7a2e302	324	cancel_delayed_work_sync(&tsc->work);
75259966 TF	325	input_free_device(input_dev);
	326	err1:
	327	kfree(tsc);
	328	tps6507x_dev->ts = NULL;
	329	err0:
	330	return error;
	331	}
	332
e2619cf7	333	static int tps6507x_ts_remove(struct platform_device *pdev)
75259966 TF	334	{
	335	struct tps6507x_dev *tps6507x_dev = platform_get_drvdata(pdev);
	336	struct tps6507x_ts *tsc = tps6507x_dev->ts;
	337	struct input_dev *input_dev = tsc->input_dev;
	338
f7a2e302	339	cancel_delayed_work_sync(&tsc->work);
75259966	340
8a26f5d1	341	input_unregister_device(input_dev);
75259966 TF	342
	343	tps6507x_dev->ts = NULL;
	344	kfree(tsc);
	345
	346	return 0;
	347	}
	348
	349	static struct platform_driver tps6507x_ts_driver = {
	350	.driver = {
	351	.name = "tps6507x-ts",
	352	.owner = THIS_MODULE,
	353	},
	354	.probe = tps6507x_ts_probe,
1cb0aa88	355	.remove = tps6507x_ts_remove,
75259966	356	};
cdcc96e2	357	module_platform_driver(tps6507x_ts_driver);
75259966 TF	358
	359	MODULE_AUTHOR("Todd Fischer <todd.fischer@ridgerun.com>");
	360	MODULE_DESCRIPTION("TPS6507x - TouchScreen driver");
	361	MODULE_LICENSE("GPL v2");
79026ff2	362	MODULE_ALIAS("platform:tps6507x-ts");