cregit-Linux how code gets into the kernel

Release 4.10 drivers/leds/leds-net48xx.c

Directory: drivers/leds
/*
 * LEDs driver for Soekris net48xx
 *
 * Copyright (C) 2006 Chris Boot <bootc@bootc.net>
 *
 * Based on leds-ams-delta.c
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/nsc_gpio.h>
#include <linux/scx200_gpio.h>
#include <linux/module.h>


#define DRVNAME "net48xx-led"

#define NET48XX_ERROR_LED_GPIO	20


static struct platform_device *pdev;


static void net48xx_error_led_set(struct led_classdev *led_cdev, enum led_brightness value) { scx200_gpio_ops.gpio_set(NET48XX_ERROR_LED_GPIO, value ? 1 : 0); }

Contributors

PersonTokensPropCommitsCommitProp
chris bootchris boot28100.00%2100.00%
Total28100.00%2100.00%

static struct led_classdev net48xx_error_led = { .name = "net48xx::error", .brightness_set = net48xx_error_led_set, .flags = LED_CORE_SUSPENDRESUME, };
static int net48xx_led_probe(struct platform_device *pdev) { return devm_led_classdev_register(&pdev->dev, &net48xx_error_led); }

Contributors

PersonTokensPropCommitsCommitProp
chris bootchris boot2295.65%150.00%
muhammad falak r wanimuhammad falak r wani14.35%150.00%
Total23100.00%2100.00%

static struct platform_driver net48xx_led_driver = { .probe = net48xx_led_probe, .driver = { .name = DRVNAME, }, };
static int __init net48xx_led_init(void) { int ret; /* small hack, but scx200_gpio doesn't set .dev if the probe fails */ if (!scx200_gpio_ops.dev) { ret = -ENODEV; goto out; } ret = platform_driver_register(&net48xx_led_driver); if (ret < 0) goto out; pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0); if (IS_ERR(pdev)) { ret = PTR_ERR(pdev); platform_driver_unregister(&net48xx_led_driver); goto out; } out: return ret; }

Contributors

PersonTokensPropCommitsCommitProp
chris bootchris boot91100.00%3100.00%
Total91100.00%3100.00%


static void __exit net48xx_led_exit(void) { platform_device_unregister(pdev); platform_driver_unregister(&net48xx_led_driver); }

Contributors

PersonTokensPropCommitsCommitProp
chris bootchris boot20100.00%1100.00%
Total20100.00%1100.00%

module_init(net48xx_led_init); module_exit(net48xx_led_exit); MODULE_AUTHOR("Chris Boot <bootc@bootc.net>"); MODULE_DESCRIPTION("Soekris net48xx LED driver"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
chris bootchris boot26295.97%337.50%
richard purdierichard purdie62.20%225.00%
paul gortmakerpaul gortmaker31.10%112.50%
sachin kamatsachin kamat10.37%112.50%
muhammad falak r wanimuhammad falak r wani10.37%112.50%
Total273100.00%8100.00%
Directory: drivers/leds
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