cregit-Linux how code gets into the kernel

Release 4.7 drivers/mfd/da9055-i2c.c

Directory: drivers/mfd
/* I2C access for DA9055 PMICs.
 *
 * Copyright(c) 2012 Dialog Semiconductor Ltd.
 *
 * Author: David Dajun Chen <dchen@diasemi.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/of_device.h>

#include <linux/mfd/da9055/core.h>


static int da9055_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da9055 *da9055; int ret; da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055), GFP_KERNEL); if (!da9055) return -ENOMEM; da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config); if (IS_ERR(da9055->regmap)) { ret = PTR_ERR(da9055->regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", ret); return ret; } da9055->dev = &i2c->dev; da9055->chip_irq = i2c->irq; i2c_set_clientdata(i2c, da9055); return da9055_device_init(da9055); }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam129100.00%1100.00%
Total129100.00%1100.00%


static int da9055_i2c_remove(struct i2c_client *i2c) { struct da9055 *da9055 = i2c_get_clientdata(i2c); da9055_device_exit(da9055); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam29100.00%1100.00%
Total29100.00%1100.00%

/* * DO NOT change the device Ids. The naming is intentionally specific as both * the PMIC and CODEC parts of this chip are instantiated separately as I2C * devices (both have configurable I2C addresses, and are to all intents and * purposes separate). As a result there are specific DA9055 ids for PMIC * and CODEC, which must be different to operate together. */ static struct i2c_device_id da9055_i2c_id[] = { {"da9055-pmic", 0}, { } }; MODULE_DEVICE_TABLE(i2c, da9055_i2c_id); static const struct of_device_id da9055_of_match[] = { { .compatible = "dlg,da9055-pmic", }, { } }; static struct i2c_driver da9055_i2c_driver = { .probe = da9055_i2c_probe, .remove = da9055_i2c_remove, .id_table = da9055_i2c_id, .driver = { .name = "da9055-pmic", .of_match_table = of_match_ptr(da9055_of_match), }, };
static int __init da9055_i2c_init(void) { int ret; ret = i2c_add_driver(&da9055_i2c_driver); if (ret != 0) { pr_err("DA9055 I2C registration failed %d\n", ret); return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam41100.00%1100.00%
Total41100.00%1100.00%

subsys_initcall(da9055_i2c_init);
static void __exit da9055_i2c_exit(void) { i2c_del_driver(&da9055_i2c_driver); }

Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam15100.00%1100.00%
Total15100.00%1100.00%

module_exit(da9055_i2c_exit); MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); MODULE_DESCRIPTION("I2C driver for Dialog DA9055 PMIC"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
ashish jangamashish jangam30388.34%133.33%
adam thomsonadam thomson4011.66%266.67%
Total343100.00%3100.00%
Directory: drivers/mfd
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}