74 static int __mms114_read_reg(struct mms114_data *data, unsigned int reg,  in __mms114_read_reg()  argument
77 	struct i2c_client *client = data->client;  in __mms114_read_reg()
108 static int mms114_read_reg(struct mms114_data *data, unsigned int reg)  in mms114_read_reg()  argument
114 		return data->cache_mode_control;  in mms114_read_reg()
116 	error = __mms114_read_reg(data, reg, 1, &val);  in mms114_read_reg()
120 static int mms114_write_reg(struct mms114_data *data, unsigned int reg,  in mms114_write_reg()  argument
123 	struct i2c_client *client = data->client;  in mms114_write_reg()
139 		data->cache_mode_control = val;  in mms114_write_reg()
144 static void mms114_process_mt(struct mms114_data *data, struct mms114_touch *touch)  in mms114_process_mt()  argument
146 	const struct mms114_platform_data *pdata = data->pdata;  in mms114_process_mt()
147 	struct i2c_client *client = data->client;  in mms114_process_mt()
148 	struct input_dev *input_dev = data->input_dev;  in mms114_process_mt()
195 	struct mms114_data *data = dev_id;  in mms114_interrupt()  local
196 	struct input_dev *input_dev = data->input_dev;  in mms114_interrupt()
210 	packet_size = mms114_read_reg(data, MMS114_PACKET_SIZE);  in mms114_interrupt()
216 	error = __mms114_read_reg(data, MMS114_INFOMATION, packet_size,  in mms114_interrupt()
222 		mms114_process_mt(data, touch + index);  in mms114_interrupt()
224 	input_mt_report_pointer_emulation(data->input_dev, true);  in mms114_interrupt()
225 	input_sync(data->input_dev);  in mms114_interrupt()
231 static int mms114_set_active(struct mms114_data *data, bool active)  in mms114_set_active()  argument
235 	val = mms114_read_reg(data, MMS114_MODE_CONTROL);  in mms114_set_active()
245 	return mms114_write_reg(data, MMS114_MODE_CONTROL, val);  in mms114_set_active()
248 static int mms114_get_version(struct mms114_data *data)  in mms114_get_version()  argument
250 	struct device *dev = &data->client->dev;  in mms114_get_version()
254 	error = __mms114_read_reg(data, MMS114_TSP_REV, 6, buf);  in mms114_get_version()
264 static int mms114_setup_regs(struct mms114_data *data)  in mms114_setup_regs()  argument
266 	const struct mms114_platform_data *pdata = data->pdata;  in mms114_setup_regs()
270 	error = mms114_get_version(data);  in mms114_setup_regs()
274 	error = mms114_set_active(data, true);  in mms114_setup_regs()
280 	error = mms114_write_reg(data, MMS114_XY_RESOLUTION_H, val);  in mms114_setup_regs()
285 	error = mms114_write_reg(data, MMS114_X_RESOLUTION, val);  in mms114_setup_regs()
290 	error = mms114_write_reg(data, MMS114_Y_RESOLUTION, val);  in mms114_setup_regs()
295 		error = mms114_write_reg(data, MMS114_CONTACT_THRESHOLD,  in mms114_setup_regs()
302 		error = mms114_write_reg(data, MMS114_MOVING_THRESHOLD,  in mms114_setup_regs()
311 static int mms114_start(struct mms114_data *data)  in mms114_start()  argument
313 	struct i2c_client *client = data->client;  in mms114_start()
316 	error = regulator_enable(data->core_reg);  in mms114_start()
322 	error = regulator_enable(data->io_reg);  in mms114_start()
325 		regulator_disable(data->core_reg);  in mms114_start()
331 	error = mms114_setup_regs(data);  in mms114_start()
333 		regulator_disable(data->io_reg);  in mms114_start()
334 		regulator_disable(data->core_reg);  in mms114_start()
338 	if (data->pdata->cfg_pin)  in mms114_start()
339 		data->pdata->cfg_pin(true);  in mms114_start()
346 static void mms114_stop(struct mms114_data *data)  in mms114_stop()  argument
348 	struct i2c_client *client = data->client;  in mms114_stop()
353 	if (data->pdata->cfg_pin)  in mms114_stop()
354 		data->pdata->cfg_pin(false);  in mms114_stop()
356 	error = regulator_disable(data->io_reg);  in mms114_stop()
360 	error = regulator_disable(data->core_reg);  in mms114_stop()
367 	struct mms114_data *data = input_get_drvdata(dev);  in mms114_input_open()  local
369 	return mms114_start(data);  in mms114_input_open()
374 	struct mms114_data *data = input_get_drvdata(dev);  in mms114_input_close()  local
376 	mms114_stop(data);  in mms114_input_close()
427 	struct mms114_data *data;  in mms114_probe()  local
447 	data = devm_kzalloc(&client->dev, sizeof(struct mms114_data),  in mms114_probe()
450 	if (!data || !input_dev) {  in mms114_probe()
455 	data->client = client;  in mms114_probe()
456 	data->input_dev = input_dev;  in mms114_probe()
457 	data->pdata = pdata;  in mms114_probe()
468 	input_set_abs_params(input_dev, ABS_X, 0, data->pdata->x_size, 0, 0);  in mms114_probe()
469 	input_set_abs_params(input_dev, ABS_Y, 0, data->pdata->y_size, 0, 0);  in mms114_probe()
476 			     0, data->pdata->x_size, 0, 0);  in mms114_probe()
478 			     0, data->pdata->y_size, 0, 0);  in mms114_probe()
481 	input_set_drvdata(input_dev, data);  in mms114_probe()
482 	i2c_set_clientdata(client, data);  in mms114_probe()
484 	data->core_reg = devm_regulator_get(&client->dev, "avdd");  in mms114_probe()
485 	if (IS_ERR(data->core_reg)) {  in mms114_probe()
486 		error = PTR_ERR(data->core_reg);  in mms114_probe()
492 	data->io_reg = devm_regulator_get(&client->dev, "vdd");  in mms114_probe()
493 	if (IS_ERR(data->io_reg)) {  in mms114_probe()
494 		error = PTR_ERR(data->io_reg);  in mms114_probe()
502 			dev_name(&client->dev), data);  in mms114_probe()
509 	error = input_register_device(data->input_dev);  in mms114_probe()
521 	struct mms114_data *data = i2c_get_clientdata(client);  in mms114_suspend()  local
522 	struct input_dev *input_dev = data->input_dev;  in mms114_suspend()
536 		mms114_stop(data);  in mms114_suspend()
545 	struct mms114_data *data = i2c_get_clientdata(client);  in mms114_resume()  local
546 	struct input_dev *input_dev = data->input_dev;  in mms114_resume()
551 		error = mms114_start(data);  in mms114_resume()