Lines Matching +full:touchscreen +full:- +full:average +full:- +full:samples

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Driver for MAXI MAX11801 - A Resistive touch screen controller with
16  * -----------------------------------------------------
18  * |----------------------------------------------------|
23  * ------------------------------------------------------
28  * http://www.maxim-ic.com/datasheet/index.mvp/id/5943
98 	struct i2c_client *client = data->client;  in max11801_ts_interrupt()
101 	int x = -1;  in max11801_ts_interrupt()
102 	int y = -1;  in max11801_ts_interrupt()
104 	status = read_register(data->client, GENERNAL_STATUS_REG);  in max11801_ts_interrupt()
107 		status = read_register(data->client, GENERNAL_STATUS_REG);  in max11801_ts_interrupt()
134 			input_report_abs(data->input_dev, ABS_X, x);  in max11801_ts_interrupt()
135 			input_report_abs(data->input_dev, ABS_Y, y);  in max11801_ts_interrupt()
136 			input_event(data->input_dev, EV_KEY, BTN_TOUCH, 1);  in max11801_ts_interrupt()
137 			input_sync(data->input_dev);  in max11801_ts_interrupt()
141 			input_event(data->input_dev, EV_KEY, BTN_TOUCH, 0);  in max11801_ts_interrupt()
142 			input_sync(data->input_dev);  in max11801_ts_interrupt()
155 	struct i2c_client *client = data->client;  in max11801_ts_phy_init()
157 	/* Average X,Y, take 16 samples, average eight media sample */  in max11801_ts_phy_init()
165 	/* Aperture X,Y set to +- 4LSB */  in max11801_ts_phy_init()
167 	/* Enable Power, enable Automode, enable Aperture, enable Average X,Y */  in max11801_ts_phy_init()
178 	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);  in max11801_ts_probe()
179 	input_dev = devm_input_allocate_device(&client->dev);  in max11801_ts_probe()
181 		dev_err(&client->dev, "Failed to allocate memory\n");  in max11801_ts_probe()
182 		return -ENOMEM;  in max11801_ts_probe()
185 	data->client = client;  in max11801_ts_probe()
186 	data->input_dev = input_dev;  in max11801_ts_probe()
188 	input_dev->name = "max11801_ts";  in max11801_ts_probe()
189 	input_dev->id.bustype = BUS_I2C;  in max11801_ts_probe()
190 	input_dev->dev.parent = &client->dev;  in max11801_ts_probe()
192 	__set_bit(EV_ABS, input_dev->evbit);  in max11801_ts_probe()
193 	__set_bit(EV_KEY, input_dev->evbit);  in max11801_ts_probe()
194 	__set_bit(BTN_TOUCH, input_dev->keybit);  in max11801_ts_probe()
200 	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,  in max11801_ts_probe()
205 		dev_err(&client->dev, "Failed to register interrupt\n");  in max11801_ts_probe()
209 	error = input_register_device(data->input_dev);  in max11801_ts_probe()
240 MODULE_DESCRIPTION("Touchscreen driver for MAXI MAX11801 controller");