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v3.15
  1/*
  2 * Driver for cypress touch screen controller
  3 *
  4 * Copyright (c) 2009 Aava Mobile
  5 *
  6 * Some cleanups by Alan Cox <alan@linux.intel.com>
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License version 2 as
 10 * published by the Free Software Foundation.
 11 *
 12 * This program is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 * GNU General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU General Public License
 18 * along with this program; if not, write to the Free Software
 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 20 */
 21
 22#include <linux/module.h>
 23#include <linux/kernel.h>
 24#include <linux/input.h>
 25#include <linux/slab.h>
 26#include <linux/interrupt.h>
 27#include <linux/io.h>
 28#include <linux/i2c.h>
 29#include <linux/gpio.h>
 30#include <linux/input/cy8ctmg110_pdata.h>
 31
 32#define CY8CTMG110_DRIVER_NAME      "cy8ctmg110"
 33
 34/* Touch coordinates */
 35#define CY8CTMG110_X_MIN		0
 36#define CY8CTMG110_Y_MIN		0
 37#define CY8CTMG110_X_MAX		759
 38#define CY8CTMG110_Y_MAX		465
 39
 40
 41/* cy8ctmg110 register definitions */
 42#define CY8CTMG110_TOUCH_WAKEUP_TIME	0
 43#define CY8CTMG110_TOUCH_SLEEP_TIME	2
 44#define CY8CTMG110_TOUCH_X1		3
 45#define CY8CTMG110_TOUCH_Y1		5
 46#define CY8CTMG110_TOUCH_X2		7
 47#define CY8CTMG110_TOUCH_Y2		9
 48#define CY8CTMG110_FINGERS		11
 49#define CY8CTMG110_GESTURE		12
 50#define CY8CTMG110_REG_MAX		13
 51
 52
 53/*
 54 * The touch driver structure.
 55 */
 56struct cy8ctmg110 {
 57	struct input_dev *input;
 58	char phys[32];
 59	struct i2c_client *client;
 60	int reset_pin;
 61	int irq_pin;
 62};
 63
 64/*
 65 * cy8ctmg110_power is the routine that is called when touch hardware
 66 * will powered off or on.
 67 */
 68static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron)
 69{
 70	if (ts->reset_pin)
 71		gpio_direction_output(ts->reset_pin, 1 - poweron);
 72}
 73
 74static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
 75		unsigned char len, unsigned char *value)
 76{
 77	struct i2c_client *client = tsc->client;
 78	int ret;
 79	unsigned char i2c_data[6];
 80
 81	BUG_ON(len > 5);
 82
 83	i2c_data[0] = reg;
 84	memcpy(i2c_data + 1, value, len);
 85
 86	ret = i2c_master_send(client, i2c_data, len + 1);
 87	if (ret != len + 1) {
 88		dev_err(&client->dev, "i2c write data cmd failed\n");
 89		return ret < 0 ? ret : -EIO;
 90	}
 91
 92	return 0;
 93}
 94
 95static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
 96		unsigned char *data, unsigned char len, unsigned char cmd)
 97{
 98	struct i2c_client *client = tsc->client;
 99	int ret;
100	struct i2c_msg msg[2] = {
101		/* first write slave position to i2c devices */
102		{
103			.addr = client->addr,
104			.len = 1,
105			.buf = &cmd
106		},
107		/* Second read data from position */
108		{
109			.addr = client->addr,
110			.flags = I2C_M_RD,
111			.len = len,
112			.buf = data
113		}
114	};
115
116	ret = i2c_transfer(client->adapter, msg, 2);
117	if (ret < 0)
118		return ret;
119
120	return 0;
121}
122
123static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
124{
125	struct input_dev *input = tsc->input;
126	unsigned char reg_p[CY8CTMG110_REG_MAX];
127	int x, y;
128
129	memset(reg_p, 0, CY8CTMG110_REG_MAX);
130
131	/* Reading coordinates */
132	if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
133		return -EIO;
134
135	y = reg_p[2] << 8 | reg_p[3];
136	x = reg_p[0] << 8 | reg_p[1];
137
138	/* Number of touch */
139	if (reg_p[8] == 0) {
140		input_report_key(input, BTN_TOUCH, 0);
141	} else  {
142		input_report_key(input, BTN_TOUCH, 1);
143		input_report_abs(input, ABS_X, x);
144		input_report_abs(input, ABS_Y, y);
145	}
146
147	input_sync(input);
148
149	return 0;
150}
151
152static int cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts, bool sleep)
153{
154	unsigned char reg_p[3];
155
156	if (sleep) {
157		reg_p[0] = 0x00;
158		reg_p[1] = 0xff;
159		reg_p[2] = 5;
160	} else {
161		reg_p[0] = 0x10;
162		reg_p[1] = 0xff;
163		reg_p[2] = 0;
164	}
165
166	return cy8ctmg110_write_regs(ts, CY8CTMG110_TOUCH_WAKEUP_TIME, 3, reg_p);
167}
168
169static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id)
170{
171	struct cy8ctmg110 *tsc = dev_id;
172
173	cy8ctmg110_touch_pos(tsc);
174
175	return IRQ_HANDLED;
176}
177
178static int cy8ctmg110_probe(struct i2c_client *client,
179					const struct i2c_device_id *id)
180{
181	const struct cy8ctmg110_pdata *pdata = dev_get_platdata(&client->dev);
182	struct cy8ctmg110 *ts;
183	struct input_dev *input_dev;
184	int err;
185
186	/* No pdata no way forward */
187	if (pdata == NULL) {
188		dev_err(&client->dev, "no pdata\n");
189		return -ENODEV;
190	}
191
192	if (!i2c_check_functionality(client->adapter,
193					I2C_FUNC_SMBUS_READ_WORD_DATA))
194		return -EIO;
195
196	ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
197	input_dev = input_allocate_device();
198	if (!ts || !input_dev) {
199		err = -ENOMEM;
200		goto err_free_mem;
201	}
202
203	ts->client = client;
204	ts->input = input_dev;
205	ts->reset_pin = pdata->reset_pin;
206	ts->irq_pin = pdata->irq_pin;
207
208	snprintf(ts->phys, sizeof(ts->phys),
209		 "%s/input0", dev_name(&client->dev));
210
211	input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen";
212	input_dev->phys = ts->phys;
213	input_dev->id.bustype = BUS_I2C;
214	input_dev->dev.parent = &client->dev;
215
216	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
217	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
218
219	input_set_abs_params(input_dev, ABS_X,
220			CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 4, 0);
221	input_set_abs_params(input_dev, ABS_Y,
222			CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 4, 0);
223
224	if (ts->reset_pin) {
225		err = gpio_request(ts->reset_pin, NULL);
226		if (err) {
227			dev_err(&client->dev,
228				"Unable to request GPIO pin %d.\n",
229				ts->reset_pin);
230			goto err_free_mem;
231		}
232	}
233
234	cy8ctmg110_power(ts, true);
235	cy8ctmg110_set_sleepmode(ts, false);
236
237	err = gpio_request(ts->irq_pin, "touch_irq_key");
238	if (err < 0) {
239		dev_err(&client->dev,
240			"Failed to request GPIO %d, error %d\n",
241			ts->irq_pin, err);
242		goto err_shutoff_device;
243	}
244
245	err = gpio_direction_input(ts->irq_pin);
246	if (err < 0) {
247		dev_err(&client->dev,
248			"Failed to configure input direction for GPIO %d, error %d\n",
249			ts->irq_pin, err);
250		goto err_free_irq_gpio;
251	}
252
253	client->irq = gpio_to_irq(ts->irq_pin);
254	if (client->irq < 0) {
255		err = client->irq;
256		dev_err(&client->dev,
257			"Unable to get irq number for GPIO %d, error %d\n",
258			ts->irq_pin, err);
259		goto err_free_irq_gpio;
260	}
261
262	err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread,
263				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
264				   "touch_reset_key", ts);
265	if (err < 0) {
266		dev_err(&client->dev,
267			"irq %d busy? error %d\n", client->irq, err);
268		goto err_free_irq_gpio;
269	}
270
271	err = input_register_device(input_dev);
272	if (err)
273		goto err_free_irq;
274
275	i2c_set_clientdata(client, ts);
276	device_init_wakeup(&client->dev, 1);
277	return 0;
278
279err_free_irq:
280	free_irq(client->irq, ts);
281err_free_irq_gpio:
282	gpio_free(ts->irq_pin);
283err_shutoff_device:
284	cy8ctmg110_set_sleepmode(ts, true);
285	cy8ctmg110_power(ts, false);
286	if (ts->reset_pin)
287		gpio_free(ts->reset_pin);
288err_free_mem:
289	input_free_device(input_dev);
290	kfree(ts);
291	return err;
292}
293
294#ifdef CONFIG_PM_SLEEP
295static int cy8ctmg110_suspend(struct device *dev)
296{
297	struct i2c_client *client = to_i2c_client(dev);
298	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
299
300	if (device_may_wakeup(&client->dev))
301		enable_irq_wake(client->irq);
302	else {
303		cy8ctmg110_set_sleepmode(ts, true);
304		cy8ctmg110_power(ts, false);
305	}
306	return 0;
307}
308
309static int cy8ctmg110_resume(struct device *dev)
310{
311	struct i2c_client *client = to_i2c_client(dev);
312	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
313
314	if (device_may_wakeup(&client->dev))
315		disable_irq_wake(client->irq);
316	else {
317		cy8ctmg110_power(ts, true);
318		cy8ctmg110_set_sleepmode(ts, false);
319	}
320	return 0;
321}
322#endif
323
324static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume);
325
326static int cy8ctmg110_remove(struct i2c_client *client)
327{
328	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
329
330	cy8ctmg110_set_sleepmode(ts, true);
331	cy8ctmg110_power(ts, false);
332
333	free_irq(client->irq, ts);
334	input_unregister_device(ts->input);
335	gpio_free(ts->irq_pin);
336	if (ts->reset_pin)
337		gpio_free(ts->reset_pin);
338	kfree(ts);
339
340	return 0;
341}
342
343static const struct i2c_device_id cy8ctmg110_idtable[] = {
344	{ CY8CTMG110_DRIVER_NAME, 1 },
345	{ }
346};
347
348MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
349
350static struct i2c_driver cy8ctmg110_driver = {
351	.driver		= {
352		.owner	= THIS_MODULE,
353		.name	= CY8CTMG110_DRIVER_NAME,
354		.pm	= &cy8ctmg110_pm,
355	},
356	.id_table	= cy8ctmg110_idtable,
357	.probe		= cy8ctmg110_probe,
358	.remove		= cy8ctmg110_remove,
359};
360
361module_i2c_driver(cy8ctmg110_driver);
362
363MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
364MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
365MODULE_LICENSE("GPL v2");
v4.10.11
  1/*
  2 * Driver for cypress touch screen controller
  3 *
  4 * Copyright (c) 2009 Aava Mobile
  5 *
  6 * Some cleanups by Alan Cox <alan@linux.intel.com>
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License version 2 as
 10 * published by the Free Software Foundation.
 11 *
 12 * This program is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 * GNU General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU General Public License
 18 * along with this program; if not, write to the Free Software
 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 20 */
 21
 22#include <linux/module.h>
 23#include <linux/kernel.h>
 24#include <linux/input.h>
 25#include <linux/slab.h>
 26#include <linux/interrupt.h>
 27#include <linux/io.h>
 28#include <linux/i2c.h>
 29#include <linux/gpio.h>
 30#include <linux/input/cy8ctmg110_pdata.h>
 31
 32#define CY8CTMG110_DRIVER_NAME      "cy8ctmg110"
 33
 34/* Touch coordinates */
 35#define CY8CTMG110_X_MIN		0
 36#define CY8CTMG110_Y_MIN		0
 37#define CY8CTMG110_X_MAX		759
 38#define CY8CTMG110_Y_MAX		465
 39
 40
 41/* cy8ctmg110 register definitions */
 42#define CY8CTMG110_TOUCH_WAKEUP_TIME	0
 43#define CY8CTMG110_TOUCH_SLEEP_TIME	2
 44#define CY8CTMG110_TOUCH_X1		3
 45#define CY8CTMG110_TOUCH_Y1		5
 46#define CY8CTMG110_TOUCH_X2		7
 47#define CY8CTMG110_TOUCH_Y2		9
 48#define CY8CTMG110_FINGERS		11
 49#define CY8CTMG110_GESTURE		12
 50#define CY8CTMG110_REG_MAX		13
 51
 52
 53/*
 54 * The touch driver structure.
 55 */
 56struct cy8ctmg110 {
 57	struct input_dev *input;
 58	char phys[32];
 59	struct i2c_client *client;
 60	int reset_pin;
 61	int irq_pin;
 62};
 63
 64/*
 65 * cy8ctmg110_power is the routine that is called when touch hardware
 66 * will powered off or on.
 67 */
 68static void cy8ctmg110_power(struct cy8ctmg110 *ts, bool poweron)
 69{
 70	if (ts->reset_pin)
 71		gpio_direction_output(ts->reset_pin, 1 - poweron);
 72}
 73
 74static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
 75		unsigned char len, unsigned char *value)
 76{
 77	struct i2c_client *client = tsc->client;
 78	int ret;
 79	unsigned char i2c_data[6];
 80
 81	BUG_ON(len > 5);
 82
 83	i2c_data[0] = reg;
 84	memcpy(i2c_data + 1, value, len);
 85
 86	ret = i2c_master_send(client, i2c_data, len + 1);
 87	if (ret != len + 1) {
 88		dev_err(&client->dev, "i2c write data cmd failed\n");
 89		return ret < 0 ? ret : -EIO;
 90	}
 91
 92	return 0;
 93}
 94
 95static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
 96		unsigned char *data, unsigned char len, unsigned char cmd)
 97{
 98	struct i2c_client *client = tsc->client;
 99	int ret;
100	struct i2c_msg msg[2] = {
101		/* first write slave position to i2c devices */
102		{
103			.addr = client->addr,
104			.len = 1,
105			.buf = &cmd
106		},
107		/* Second read data from position */
108		{
109			.addr = client->addr,
110			.flags = I2C_M_RD,
111			.len = len,
112			.buf = data
113		}
114	};
115
116	ret = i2c_transfer(client->adapter, msg, 2);
117	if (ret < 0)
118		return ret;
119
120	return 0;
121}
122
123static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
124{
125	struct input_dev *input = tsc->input;
126	unsigned char reg_p[CY8CTMG110_REG_MAX];
127	int x, y;
128
129	memset(reg_p, 0, CY8CTMG110_REG_MAX);
130
131	/* Reading coordinates */
132	if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
133		return -EIO;
134
135	y = reg_p[2] << 8 | reg_p[3];
136	x = reg_p[0] << 8 | reg_p[1];
137
138	/* Number of touch */
139	if (reg_p[8] == 0) {
140		input_report_key(input, BTN_TOUCH, 0);
141	} else  {
142		input_report_key(input, BTN_TOUCH, 1);
143		input_report_abs(input, ABS_X, x);
144		input_report_abs(input, ABS_Y, y);
145	}
146
147	input_sync(input);
148
149	return 0;
150}
151
152static int cy8ctmg110_set_sleepmode(struct cy8ctmg110 *ts, bool sleep)
153{
154	unsigned char reg_p[3];
155
156	if (sleep) {
157		reg_p[0] = 0x00;
158		reg_p[1] = 0xff;
159		reg_p[2] = 5;
160	} else {
161		reg_p[0] = 0x10;
162		reg_p[1] = 0xff;
163		reg_p[2] = 0;
164	}
165
166	return cy8ctmg110_write_regs(ts, CY8CTMG110_TOUCH_WAKEUP_TIME, 3, reg_p);
167}
168
169static irqreturn_t cy8ctmg110_irq_thread(int irq, void *dev_id)
170{
171	struct cy8ctmg110 *tsc = dev_id;
172
173	cy8ctmg110_touch_pos(tsc);
174
175	return IRQ_HANDLED;
176}
177
178static int cy8ctmg110_probe(struct i2c_client *client,
179					const struct i2c_device_id *id)
180{
181	const struct cy8ctmg110_pdata *pdata = dev_get_platdata(&client->dev);
182	struct cy8ctmg110 *ts;
183	struct input_dev *input_dev;
184	int err;
185
186	/* No pdata no way forward */
187	if (pdata == NULL) {
188		dev_err(&client->dev, "no pdata\n");
189		return -ENODEV;
190	}
191
192	if (!i2c_check_functionality(client->adapter,
193					I2C_FUNC_SMBUS_READ_WORD_DATA))
194		return -EIO;
195
196	ts = kzalloc(sizeof(struct cy8ctmg110), GFP_KERNEL);
197	input_dev = input_allocate_device();
198	if (!ts || !input_dev) {
199		err = -ENOMEM;
200		goto err_free_mem;
201	}
202
203	ts->client = client;
204	ts->input = input_dev;
205	ts->reset_pin = pdata->reset_pin;
206	ts->irq_pin = pdata->irq_pin;
207
208	snprintf(ts->phys, sizeof(ts->phys),
209		 "%s/input0", dev_name(&client->dev));
210
211	input_dev->name = CY8CTMG110_DRIVER_NAME " Touchscreen";
212	input_dev->phys = ts->phys;
213	input_dev->id.bustype = BUS_I2C;
214	input_dev->dev.parent = &client->dev;
215
216	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
217	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
218
219	input_set_abs_params(input_dev, ABS_X,
220			CY8CTMG110_X_MIN, CY8CTMG110_X_MAX, 4, 0);
221	input_set_abs_params(input_dev, ABS_Y,
222			CY8CTMG110_Y_MIN, CY8CTMG110_Y_MAX, 4, 0);
223
224	if (ts->reset_pin) {
225		err = gpio_request(ts->reset_pin, NULL);
226		if (err) {
227			dev_err(&client->dev,
228				"Unable to request GPIO pin %d.\n",
229				ts->reset_pin);
230			goto err_free_mem;
231		}
232	}
233
234	cy8ctmg110_power(ts, true);
235	cy8ctmg110_set_sleepmode(ts, false);
236
237	err = gpio_request(ts->irq_pin, "touch_irq_key");
238	if (err < 0) {
239		dev_err(&client->dev,
240			"Failed to request GPIO %d, error %d\n",
241			ts->irq_pin, err);
242		goto err_shutoff_device;
243	}
244
245	err = gpio_direction_input(ts->irq_pin);
246	if (err < 0) {
247		dev_err(&client->dev,
248			"Failed to configure input direction for GPIO %d, error %d\n",
249			ts->irq_pin, err);
250		goto err_free_irq_gpio;
251	}
252
253	client->irq = gpio_to_irq(ts->irq_pin);
254	if (client->irq < 0) {
255		err = client->irq;
256		dev_err(&client->dev,
257			"Unable to get irq number for GPIO %d, error %d\n",
258			ts->irq_pin, err);
259		goto err_free_irq_gpio;
260	}
261
262	err = request_threaded_irq(client->irq, NULL, cy8ctmg110_irq_thread,
263				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
264				   "touch_reset_key", ts);
265	if (err < 0) {
266		dev_err(&client->dev,
267			"irq %d busy? error %d\n", client->irq, err);
268		goto err_free_irq_gpio;
269	}
270
271	err = input_register_device(input_dev);
272	if (err)
273		goto err_free_irq;
274
275	i2c_set_clientdata(client, ts);
276	device_init_wakeup(&client->dev, 1);
277	return 0;
278
279err_free_irq:
280	free_irq(client->irq, ts);
281err_free_irq_gpio:
282	gpio_free(ts->irq_pin);
283err_shutoff_device:
284	cy8ctmg110_set_sleepmode(ts, true);
285	cy8ctmg110_power(ts, false);
286	if (ts->reset_pin)
287		gpio_free(ts->reset_pin);
288err_free_mem:
289	input_free_device(input_dev);
290	kfree(ts);
291	return err;
292}
293
294static int __maybe_unused cy8ctmg110_suspend(struct device *dev)
 
295{
296	struct i2c_client *client = to_i2c_client(dev);
297	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
298
299	if (device_may_wakeup(&client->dev))
300		enable_irq_wake(client->irq);
301	else {
302		cy8ctmg110_set_sleepmode(ts, true);
303		cy8ctmg110_power(ts, false);
304	}
305	return 0;
306}
307
308static int __maybe_unused cy8ctmg110_resume(struct device *dev)
309{
310	struct i2c_client *client = to_i2c_client(dev);
311	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
312
313	if (device_may_wakeup(&client->dev))
314		disable_irq_wake(client->irq);
315	else {
316		cy8ctmg110_power(ts, true);
317		cy8ctmg110_set_sleepmode(ts, false);
318	}
319	return 0;
320}
 
321
322static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume);
323
324static int cy8ctmg110_remove(struct i2c_client *client)
325{
326	struct cy8ctmg110 *ts = i2c_get_clientdata(client);
327
328	cy8ctmg110_set_sleepmode(ts, true);
329	cy8ctmg110_power(ts, false);
330
331	free_irq(client->irq, ts);
332	input_unregister_device(ts->input);
333	gpio_free(ts->irq_pin);
334	if (ts->reset_pin)
335		gpio_free(ts->reset_pin);
336	kfree(ts);
337
338	return 0;
339}
340
341static const struct i2c_device_id cy8ctmg110_idtable[] = {
342	{ CY8CTMG110_DRIVER_NAME, 1 },
343	{ }
344};
345
346MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
347
348static struct i2c_driver cy8ctmg110_driver = {
349	.driver		= {
 
350		.name	= CY8CTMG110_DRIVER_NAME,
351		.pm	= &cy8ctmg110_pm,
352	},
353	.id_table	= cy8ctmg110_idtable,
354	.probe		= cy8ctmg110_probe,
355	.remove		= cy8ctmg110_remove,
356};
357
358module_i2c_driver(cy8ctmg110_driver);
359
360MODULE_AUTHOR("Samuli Konttila <samuli.konttila@aavamobile.com>");
361MODULE_DESCRIPTION("cy8ctmg110 TouchScreen Driver");
362MODULE_LICENSE("GPL v2");