Release 4.7 drivers/leds/trigger/ledtrig-oneshot.c
/*
* One-shot LED Trigger
*
* Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
*
* Based on ledtrig-timer.c by Richard Purdie <rpurdie@openedhand.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.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include "../leds.h"
#define DEFAULT_DELAY 100
struct oneshot_trig_data {
unsigned int invert;
};
static ssize_t led_shot(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct oneshot_trig_data *oneshot_data = led_cdev->trigger_data;
led_blink_set_oneshot(led_cdev,
&led_cdev->blink_delay_on, &led_cdev->blink_delay_off,
oneshot_data->invert);
/* content is ignored */
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 66 | 100.00% | 1 | 100.00% |
| Total | 66 | 100.00% | 1 | 100.00% |
static ssize_t led_invert_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct oneshot_trig_data *oneshot_data = led_cdev->trigger_data;
return sprintf(buf, "%u\n", oneshot_data->invert);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 51 | 100.00% | 1 | 100.00% |
| Total | 51 | 100.00% | 1 | 100.00% |
static ssize_t led_invert_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct oneshot_trig_data *oneshot_data = led_cdev->trigger_data;
unsigned long state;
int ret;
ret = kstrtoul(buf, 0, &state);
if (ret)
return ret;
oneshot_data->invert = !!state;
if (oneshot_data->invert)
led_set_brightness_nosleep(led_cdev, LED_FULL);
else
led_set_brightness_nosleep(led_cdev, LED_OFF);
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 99 | 98.02% | 1 | 50.00% |
| jacek anaszewski | jacek anaszewski | 2 | 1.98% | 1 | 50.00% |
| Total | 101 | 100.00% | 2 | 100.00% |
static ssize_t led_delay_on_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
return sprintf(buf, "%lu\n", led_cdev->blink_delay_on);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 42 | 100.00% | 1 | 100.00% |
| Total | 42 | 100.00% | 1 | 100.00% |
static ssize_t led_delay_on_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
unsigned long state;
int ret;
ret = kstrtoul(buf, 0, &state);
if (ret)
return ret;
led_cdev->blink_delay_on = state;
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 69 | 100.00% | 1 | 100.00% |
| Total | 69 | 100.00% | 1 | 100.00% |
static ssize_t led_delay_off_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
return sprintf(buf, "%lu\n", led_cdev->blink_delay_off);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 42 | 100.00% | 1 | 100.00% |
| Total | 42 | 100.00% | 1 | 100.00% |
static ssize_t led_delay_off_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
unsigned long state;
int ret;
ret = kstrtoul(buf, 0, &state);
if (ret)
return ret;
led_cdev->blink_delay_off = state;
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 69 | 100.00% | 1 | 100.00% |
| Total | 69 | 100.00% | 1 | 100.00% |
static DEVICE_ATTR(delay_on, 0644, led_delay_on_show, led_delay_on_store);
static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store);
static DEVICE_ATTR(invert, 0644, led_invert_show, led_invert_store);
static DEVICE_ATTR(shot, 0200, NULL, led_shot);
static void oneshot_trig_activate(struct led_classdev *led_cdev)
{
struct oneshot_trig_data *oneshot_data;
int rc;
oneshot_data = kzalloc(sizeof(*oneshot_data), GFP_KERNEL);
if (!oneshot_data)
return;
led_cdev->trigger_data = oneshot_data;
rc = device_create_file(led_cdev->dev, &dev_attr_delay_on);
if (rc)
goto err_out_trig_data;
rc = device_create_file(led_cdev->dev, &dev_attr_delay_off);
if (rc)
goto err_out_delayon;
rc = device_create_file(led_cdev->dev, &dev_attr_invert);
if (rc)
goto err_out_delayoff;
rc = device_create_file(led_cdev->dev, &dev_attr_shot);
if (rc)
goto err_out_invert;
led_cdev->blink_delay_on = DEFAULT_DELAY;
led_cdev->blink_delay_off = DEFAULT_DELAY;
led_cdev->activated = true;
return;
err_out_invert:
device_remove_file(led_cdev->dev, &dev_attr_invert);
err_out_delayoff:
device_remove_file(led_cdev->dev, &dev_attr_delay_off);
err_out_delayon:
device_remove_file(led_cdev->dev, &dev_attr_delay_on);
err_out_trig_data:
kfree(led_cdev->trigger_data);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 184 | 100.00% | 1 | 100.00% |
| Total | 184 | 100.00% | 1 | 100.00% |
static void oneshot_trig_deactivate(struct led_classdev *led_cdev)
{
struct oneshot_trig_data *oneshot_data = led_cdev->trigger_data;
if (led_cdev->activated) {
device_remove_file(led_cdev->dev, &dev_attr_delay_on);
device_remove_file(led_cdev->dev, &dev_attr_delay_off);
device_remove_file(led_cdev->dev, &dev_attr_invert);
device_remove_file(led_cdev->dev, &dev_attr_shot);
kfree(oneshot_data);
led_cdev->activated = false;
}
/* Stop blinking */
led_set_brightness(led_cdev, LED_OFF);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 86 | 98.85% | 1 | 50.00% |
| shuah khan | shuah khan | 1 | 1.15% | 1 | 50.00% |
| Total | 87 | 100.00% | 2 | 100.00% |
static struct led_trigger oneshot_led_trigger = {
.name = "oneshot",
.activate = oneshot_trig_activate,
.deactivate = oneshot_trig_deactivate,
};
static int __init oneshot_trig_init(void)
{
return led_trigger_register(&oneshot_led_trigger);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static void __exit oneshot_trig_exit(void)
{
led_trigger_unregister(&oneshot_led_trigger);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
module_init(oneshot_trig_init);
module_exit(oneshot_trig_exit);
MODULE_AUTHOR("Fabio Baltieri <fabio.baltieri@gmail.com>");
MODULE_DESCRIPTION("One-shot LED trigger");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| fabio baltieri | fabio baltieri | 870 | 99.43% | 1 | 20.00% |
| jacek anaszewski | jacek anaszewski | 2 | 0.23% | 1 | 20.00% |
| uwe kleine-koenig | uwe kleine-koenig | 1 | 0.11% | 1 | 20.00% |
| kim milo | kim milo | 1 | 0.11% | 1 | 20.00% |
| shuah khan | shuah khan | 1 | 0.11% | 1 | 20.00% |
| Total | 875 | 100.00% | 5 | 100.00% |
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