Add force fast charge support (2/2)

This commit is contained in:
Shantanu Gupta 2012-03-09 03:12:19 +05:30
parent 69731609e9
commit f02e3d17d6

View File

@ -0,0 +1,70 @@
/*
* Author: Chad Froebel <chadfroebel@gmail.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <linux/fastchg.h>
int force_fast_charge;
/* sysfs interface */
static ssize_t force_fast_charge_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", force_fast_charge);
}
static ssize_t force_fast_charge_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count)
{
sscanf(buf, "%du", &force_fast_charge);
return count;
}
static struct kobj_attribute force_fast_charge_attribute =
__ATTR(force_fast_charge, 0666, force_fast_charge_show, force_fast_charge_store);
static struct attribute *attrs[] = {
&force_fast_charge_attribute.attr,
NULL,
};
static struct attribute_group attr_group = {
.attrs = attrs,
};
static struct kobject *force_fast_charge_kobj;
int force_fast_charge_init(void)
{
int retval;
force_fast_charge = 0;
force_fast_charge_kobj = kobject_create_and_add("fast_charge", kernel_kobj);
if (!force_fast_charge_kobj) {
return -ENOMEM;
}
retval = sysfs_create_group(force_fast_charge_kobj, &attr_group);
if (retval)
kobject_put(force_fast_charge_kobj);
return retval;
}
/* end sysfs interface */
void force_fast_charge_exit(void)
{
kobject_put(force_fast_charge_kobj);
}
module_init(force_fast_charge_init);
module_exit(force_fast_charge_exit);