mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 12:11:59 +00:00
52b461b86a
Use the most simple possible transformation on the existing code so keep the table sitting around, further patches in this series will delete the existing cache code - the main purpose of this patch is to ensure that we always have a cache for bisection. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
|
|
* wm8350-i2c.c -- Generic I2C driver for Wolfson WM8350 PMIC
|
|
*
|
|
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
|
|
*
|
|
* Author: Liam Girdwood
|
|
* linux@wolfsonmicro.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/moduleparam.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mfd/wm8350/core.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/slab.h>
|
|
|
|
static int wm8350_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct wm8350 *wm8350;
|
|
int ret = 0;
|
|
|
|
wm8350 = devm_kzalloc(&i2c->dev, sizeof(struct wm8350), GFP_KERNEL);
|
|
if (wm8350 == NULL)
|
|
return -ENOMEM;
|
|
|
|
wm8350->regmap = devm_regmap_init_i2c(i2c, &wm8350_regmap);
|
|
if (IS_ERR(wm8350->regmap)) {
|
|
ret = PTR_ERR(wm8350->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
i2c_set_clientdata(i2c, wm8350);
|
|
wm8350->dev = &i2c->dev;
|
|
|
|
return wm8350_device_init(wm8350, i2c->irq, i2c->dev.platform_data);
|
|
}
|
|
|
|
static int wm8350_i2c_remove(struct i2c_client *i2c)
|
|
{
|
|
struct wm8350 *wm8350 = i2c_get_clientdata(i2c);
|
|
|
|
wm8350_device_exit(wm8350);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id wm8350_i2c_id[] = {
|
|
{ "wm8350", 0 },
|
|
{ "wm8351", 0 },
|
|
{ "wm8352", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, wm8350_i2c_id);
|
|
|
|
|
|
static struct i2c_driver wm8350_i2c_driver = {
|
|
.driver = {
|
|
.name = "wm8350",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = wm8350_i2c_probe,
|
|
.remove = wm8350_i2c_remove,
|
|
.id_table = wm8350_i2c_id,
|
|
};
|
|
|
|
static int __init wm8350_i2c_init(void)
|
|
{
|
|
return i2c_add_driver(&wm8350_i2c_driver);
|
|
}
|
|
/* init early so consumer devices can complete system boot */
|
|
subsys_initcall(wm8350_i2c_init);
|
|
|
|
static void __exit wm8350_i2c_exit(void)
|
|
{
|
|
i2c_del_driver(&wm8350_i2c_driver);
|
|
}
|
|
module_exit(wm8350_i2c_exit);
|
|
|
|
MODULE_DESCRIPTION("I2C support for the WM8350 AudioPlus PMIC");
|
|
MODULE_LICENSE("GPL");
|