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Fixed MTP to work with TWRP

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This commit is contained in:
awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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90
drivers/input/touchscreen/cyttsp4_i2c.c Normal file
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/*
* cyttsp_i2c.c
* Cypress TrueTouch(TM) Standard Product (TTSP) I2C touchscreen driver.
* For use with Cypress Txx4xx parts.
* Supported parts include:
* TMA4XX
* TMA1036
*
* Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
* Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
* Copyright (C) 2013 Cypress Semiconductor
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2, and only version 2, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
*
*/
#include "cyttsp4_core.h"
#include <linux/i2c.h>
#include <linux/input.h>
#define CYTTSP4_I2C_DATA_SIZE (3 * 256)
static const struct cyttsp4_bus_ops cyttsp4_i2c_bus_ops = {
.bustype = BUS_I2C,
.write = cyttsp_i2c_write_block_data,
.read = cyttsp_i2c_read_block_data,
};
static int cyttsp4_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct cyttsp4 *ts;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(&client->dev, "I2C functionality not Supported\n");
return -EIO;
}
ts = cyttsp4_probe(&cyttsp4_i2c_bus_ops, &client->dev, client->irq,
CYTTSP4_I2C_DATA_SIZE);
if (IS_ERR(ts))
return PTR_ERR(ts);
return 0;
}
static int cyttsp4_i2c_remove(struct i2c_client *client)
{
struct cyttsp4 *ts = i2c_get_clientdata(client);
cyttsp4_remove(ts);
return 0;
}
static const struct i2c_device_id cyttsp4_i2c_id[] = {
{ CYTTSP4_I2C_NAME, 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, cyttsp4_i2c_id);
static struct i2c_driver cyttsp4_i2c_driver = {
.driver = {
.name = CYTTSP4_I2C_NAME,
.owner = THIS_MODULE,
.pm = &cyttsp4_pm_ops,
},
.probe = cyttsp4_i2c_probe,
.remove = cyttsp4_i2c_remove,
.id_table = cyttsp4_i2c_id,
};
module_i2c_driver(cyttsp4_i2c_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
MODULE_AUTHOR("Cypress");
MODULE_ALIAS("i2c:cyttsp4");