Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Mario Limonciello |
201 |
82.04% |
2 |
22.22% |
| Armin Wolf |
29 |
11.84% |
3 |
33.33% |
| Andy Shevchenko |
6 |
2.45% |
2 |
22.22% |
| Shyam Sundar S K |
5 |
2.04% |
1 |
11.11% |
| Mattias Jacobsson |
4 |
1.63% |
1 |
11.11% |
| Total |
245 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* WMI Thunderbolt driver
*
* Copyright (C) 2017 Dell Inc. All Rights Reserved.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/hex.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/wmi.h>
#define INTEL_WMI_THUNDERBOLT_GUID "86CCFD48-205E-4A77-9C48-2021CBEDE341"
static ssize_t force_power_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct wmi_buffer buffer;
int ret;
u8 mode;
buffer.length = sizeof(mode);
buffer.data = &mode;
mode = hex_to_bin(buf[0]);
if (mode > 1)
return -EINVAL;
ret = wmidev_invoke_method(to_wmi_device(dev), 0, 1, &buffer, NULL);
if (ret < 0)
return ret;
return count;
}
static DEVICE_ATTR_WO(force_power);
static struct attribute *tbt_attrs[] = {
&dev_attr_force_power.attr,
NULL
};
ATTRIBUTE_GROUPS(tbt);
static const struct wmi_device_id intel_wmi_thunderbolt_id_table[] = {
{ .guid_string = INTEL_WMI_THUNDERBOLT_GUID },
{ },
};
static struct wmi_driver intel_wmi_thunderbolt_driver = {
.driver = {
.name = "intel-wmi-thunderbolt",
.dev_groups = tbt_groups,
},
.id_table = intel_wmi_thunderbolt_id_table,
.no_singleton = true,
};
module_wmi_driver(intel_wmi_thunderbolt_driver);
MODULE_DEVICE_TABLE(wmi, intel_wmi_thunderbolt_id_table);
MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
MODULE_DESCRIPTION("Intel WMI Thunderbolt force power driver");
MODULE_LICENSE("GPL v2");