cregit-Linux how code gets into the kernel

Release 4.14 drivers/gpio/gpio-max7300.c

Directory: drivers/gpio
/*
 * Copyright (C) 2009 Wolfram Sang, Pengutronix
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Check max730x.c for further details.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/i2c.h>
#include <linux/spi/max7301.h>
#include <linux/slab.h>


static int max7300_i2c_write(struct device *dev, unsigned int reg, unsigned int val) { struct i2c_client *client = to_i2c_client(dev); return i2c_smbus_write_byte_data(client, reg, val); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang39100.00%1100.00%
Total39100.00%1100.00%


static int max7300_i2c_read(struct device *dev, unsigned int reg) { struct i2c_client *client = to_i2c_client(dev); return i2c_smbus_read_byte_data(client, reg); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang33100.00%1100.00%
Total33100.00%1100.00%


static int max7300_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct max7301 *ts; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; ts = devm_kzalloc(&client->dev, sizeof(struct max7301), GFP_KERNEL); if (!ts) return -ENOMEM; ts->read = max7300_i2c_read; ts->write = max7300_i2c_write; ts->dev = &client->dev; return __max730x_probe(ts); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang8592.39%133.33%
Jingoo Han66.52%133.33%
Varka Bhadram11.09%133.33%
Total92100.00%3100.00%


static int max7300_remove(struct i2c_client *client) { return __max730x_remove(&client->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang20100.00%1100.00%
Total20100.00%1100.00%

static const struct i2c_device_id max7300_id[] = { { "max7300", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, max7300_id); static struct i2c_driver max7300_driver = { .driver = { .name = "max7300", }, .probe = max7300_probe, .remove = max7300_remove, .id_table = max7300_id, };
static int __init max7300_init(void) { return i2c_add_driver(&max7300_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang16100.00%1100.00%
Total16100.00%1100.00%

subsys_initcall(max7300_init);
static void __exit max7300_exit(void) { i2c_del_driver(&max7300_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang15100.00%1100.00%
Total15100.00%1100.00%

module_exit(max7300_exit); MODULE_AUTHOR("Wolfram Sang"); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("MAX7300 GPIO-Expander");

Overall Contributors

PersonTokensPropCommitsCommitProp
Wolfram Sang30796.54%120.00%
Jingoo Han61.89%120.00%
Tejun Heo30.94%120.00%
Varka Bhadram10.31%120.00%
Grant C. Likely10.31%120.00%
Total318100.00%5100.00%
Directory: drivers/gpio
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