cregit-Linux how code gets into the kernel

Release 4.14 drivers/mfd/stmpe-i2c.c

Directory: drivers/mfd
/*
 * ST Microelectronics MFD: stmpe's i2c client specific driver
 *
 * Copyright (C) ST-Ericsson SA 2010
 * Copyright (C) ST Microelectronics SA 2011
 *
 * License Terms: GNU General Public License, version 2
 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
 * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics
 */

#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/of_device.h>
#include "stmpe.h"


static int i2c_reg_read(struct stmpe *stmpe, u8 reg) { struct i2c_client *i2c = stmpe->client; return i2c_smbus_read_byte_data(i2c, reg); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar31100.00%1100.00%
Total31100.00%1100.00%


static int i2c_reg_write(struct stmpe *stmpe, u8 reg, u8 val) { struct i2c_client *i2c = stmpe->client; return i2c_smbus_write_byte_data(i2c, reg, val); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar36100.00%1100.00%
Total36100.00%1100.00%


static int i2c_block_read(struct stmpe *stmpe, u8 reg, u8 length, u8 *values) { struct i2c_client *i2c = stmpe->client; return i2c_smbus_read_i2c_block_data(i2c, reg, length, values); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar42100.00%1100.00%
Total42100.00%1100.00%


static int i2c_block_write(struct stmpe *stmpe, u8 reg, u8 length, const u8 *values) { struct i2c_client *i2c = stmpe->client; return i2c_smbus_write_i2c_block_data(i2c, reg, length, values); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar43100.00%1100.00%
Total43100.00%1100.00%

static struct stmpe_client_info i2c_ci = { .read_byte = i2c_reg_read, .write_byte = i2c_reg_write, .read_block = i2c_block_read, .write_block = i2c_block_write, }; static const struct of_device_id stmpe_of_match[] = { { .compatible = "st,stmpe610", .data = (void *)STMPE610, }, { .compatible = "st,stmpe801", .data = (void *)STMPE801, }, { .compatible = "st,stmpe811", .data = (void *)STMPE811, }, { .compatible = "st,stmpe1600", .data = (void *)STMPE1600, }, { .compatible = "st,stmpe1601", .data = (void *)STMPE1601, }, { .compatible = "st,stmpe1801", .data = (void *)STMPE1801, }, { .compatible = "st,stmpe2401", .data = (void *)STMPE2401, }, { .compatible = "st,stmpe2403", .data = (void *)STMPE2403, }, {}, }; MODULE_DEVICE_TABLE(of, stmpe_of_match);
static int stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { enum stmpe_partnum partnum; const struct of_device_id *of_id; i2c_ci.data = (void *)id; i2c_ci.irq = i2c->irq; i2c_ci.client = i2c; i2c_ci.dev = &i2c->dev; of_id = of_match_device(stmpe_of_match, &i2c->dev); if (!of_id) { /* * This happens when the I2C ID matches the node name * but no real compatible string has been given. */ dev_info(&i2c->dev, "matching on node name, compatible is preferred\n"); partnum = id->driver_data; } else partnum = (enum stmpe_partnum)of_id->data; return stmpe_probe(&i2c_ci, partnum); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar5850.00%133.33%
Linus Walleij5446.55%133.33%
Lee Jones43.45%133.33%
Total116100.00%3100.00%


static int stmpe_i2c_remove(struct i2c_client *i2c) { struct stmpe *stmpe = dev_get_drvdata(&i2c->dev); return stmpe_remove(stmpe); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar30100.00%1100.00%
Total30100.00%1100.00%

static const struct i2c_device_id stmpe_i2c_id[] = { { "stmpe610", STMPE610 }, { "stmpe801", STMPE801 }, { "stmpe811", STMPE811 }, { "stmpe1600", STMPE1600 }, { "stmpe1601", STMPE1601 }, { "stmpe1801", STMPE1801 }, { "stmpe2401", STMPE2401 }, { "stmpe2403", STMPE2403 }, { } }; MODULE_DEVICE_TABLE(i2c, stmpe_id); static struct i2c_driver stmpe_i2c_driver = { .driver = { .name = "stmpe-i2c", #ifdef CONFIG_PM .pm = &stmpe_dev_pm_ops, #endif .of_match_table = stmpe_of_match, }, .probe = stmpe_i2c_probe, .remove = stmpe_i2c_remove, .id_table = stmpe_i2c_id, };
static int __init stmpe_init(void) { return i2c_add_driver(&stmpe_i2c_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar16100.00%1100.00%
Total16100.00%1100.00%

subsys_initcall(stmpe_init);
static void __exit stmpe_exit(void) { i2c_del_driver(&stmpe_i2c_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar15100.00%1100.00%
Total15100.00%1100.00%

module_exit(stmpe_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMPE MFD I2C Interface Driver"); MODULE_AUTHOR("Rabin Vincent <rabin.vincent@stericsson.com>");

Overall Contributors

PersonTokensPropCommitsCommitProp
Viresh Kumar43966.21%555.56%
Linus Walleij19228.96%111.11%
Patrice Chotard223.32%111.11%
Jean-Nicolas Graux60.90%111.11%
Lee Jones40.60%111.11%
Total663100.00%9100.00%
Directory: drivers/mfd
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.