cregit-Linux how code gets into the kernel

Release 4.14 drivers/mfd/sky81452.c

Directory: drivers/mfd
/*
 * sky81452.c   SKY81452 MFD driver
 *
 * Copyright 2014 Skyworks Solutions Inc.
 * Author : Gyungoh Yoo <jack.yoo@skyworksinc.com>
 *
 * 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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/mfd/core.h>
#include <linux/mfd/sky81452.h>


static const struct regmap_config sky81452_config = {
	.reg_bits = 8,
	.val_bits = 8,
};


static int sky81452_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; const struct sky81452_platform_data *pdata = dev_get_platdata(dev); struct mfd_cell cells[2]; struct regmap *regmap; int ret; if (!pdata) { pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; } regmap = devm_regmap_init_i2c(client, &sky81452_config); if (IS_ERR(regmap)) { dev_err(dev, "failed to initialize.err=%ld\n", PTR_ERR(regmap)); return PTR_ERR(regmap); } i2c_set_clientdata(client, regmap); memset(cells, 0, sizeof(cells)); cells[0].name = "sky81452-backlight"; cells[0].of_compatible = "skyworks,sky81452-backlight"; cells[0].platform_data = pdata->bl_pdata; cells[0].pdata_size = sizeof(*pdata->bl_pdata); cells[1].name = "sky81452-regulator"; cells[1].platform_data = pdata->regulator_init_data; cells[1].pdata_size = sizeof(*pdata->regulator_init_data); ret = devm_mfd_add_devices(dev, -1, cells, ARRAY_SIZE(cells), NULL, 0, NULL); if (ret) dev_err(dev, "failed to add child devices. err=%d\n", ret); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Gyungoh Yoo25799.61%150.00%
Laxman Dewangan10.39%150.00%
Total258100.00%2100.00%

static const struct i2c_device_id sky81452_ids[] = { { "sky81452" }, { } }; MODULE_DEVICE_TABLE(i2c, sky81452_ids); #ifdef CONFIG_OF static const struct of_device_id sky81452_of_match[] = { { .compatible = "skyworks,sky81452", }, { } }; MODULE_DEVICE_TABLE(of, sky81452_of_match); #endif static struct i2c_driver sky81452_driver = { .driver = { .name = "sky81452", .of_match_table = of_match_ptr(sky81452_of_match), }, .probe = sky81452_probe, .id_table = sky81452_ids, }; module_i2c_driver(sky81452_driver); MODULE_DESCRIPTION("Skyworks SKY81452 MFD driver"); MODULE_AUTHOR("Gyungoh Yoo <jack.yoo@skyworksinc.com>"); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
Gyungoh Yoo41099.76%150.00%
Laxman Dewangan10.24%150.00%
Total411100.00%2100.00%
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.