linux/drivers/leds/leds-ot200.c

/*
 * Bachmann ot200 leds driver.
 *
 * Author: Sebastian Andrzej Siewior <[email protected]>
 *         Christian Gmeiner <[email protected]>
 *
 * License: GPL as published by the FSF.
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <linux/io.h>
#include <linux/module.h>


struct ot200_led { … };

/*
 * The device has three leds on the back panel (led_err, led_init and led_run)
 * and can handle up to seven leds on the front panel.
 */

static struct ot200_led leds[] = …;

static DEFINE_SPINLOCK(value_lock);

/*
 * we need to store the current led states, as it is not
 * possible to read the current led state via inb().
 */
static u8 leds_back;
static u8 leds_front;

static void ot200_led_brightness_set(struct led_classdev *led_cdev,
		enum led_brightness value)
{ … }

static int ot200_led_probe(struct platform_device *pdev)
{ … }

static struct platform_driver ot200_led_driver = …;

module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS(…) …;