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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 294 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* cyttsp_i2c.c
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* Cypress TrueTouch(TM) Standard Product (TTSP) I2C touchscreen driver.
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* For use with Cypress Txx4xx parts.
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* Supported parts include:
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* TMA4XX
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* TMA1036
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*
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* Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
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* Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
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* Copyright (C) 2013 Cypress Semiconductor
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*
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* Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
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*/
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#include "cyttsp4_core.h"
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#include <linux/i2c.h>
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#include <linux/input.h>
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#define CYTTSP4_I2C_DATA_SIZE (3 * 256)
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static const struct cyttsp4_bus_ops cyttsp4_i2c_bus_ops = {
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.bustype = BUS_I2C,
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.write = cyttsp_i2c_write_block_data,
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.read = cyttsp_i2c_read_block_data,
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};
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static int cyttsp4_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct cyttsp4 *ts;
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if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
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dev_err(&client->dev, "I2C functionality not Supported\n");
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return -EIO;
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}
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ts = cyttsp4_probe(&cyttsp4_i2c_bus_ops, &client->dev, client->irq,
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CYTTSP4_I2C_DATA_SIZE);
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return PTR_ERR_OR_ZERO(ts);
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}
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static int cyttsp4_i2c_remove(struct i2c_client *client)
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{
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struct cyttsp4 *ts = i2c_get_clientdata(client);
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cyttsp4_remove(ts);
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return 0;
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}
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static const struct i2c_device_id cyttsp4_i2c_id[] = {
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{ CYTTSP4_I2C_NAME, 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, cyttsp4_i2c_id);
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static struct i2c_driver cyttsp4_i2c_driver = {
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.driver = {
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.name = CYTTSP4_I2C_NAME,
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.pm = &cyttsp4_pm_ops,
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},
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.probe = cyttsp4_i2c_probe,
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.remove = cyttsp4_i2c_remove,
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.id_table = cyttsp4_i2c_id,
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};
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module_i2c_driver(cyttsp4_i2c_driver);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
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MODULE_AUTHOR("Cypress");
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