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Release 4.10 drivers/leds/leds-cobalt-raq.c

Directory: drivers/leds
/*
 *  LEDs driver for the Cobalt Raq series.
 *
 *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
#include <linux/init.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/export.h>


#define LED_WEB		0x04

#define LED_POWER_OFF	0x08


static void __iomem *led_port;

static u8 led_value;
static DEFINE_SPINLOCK(led_value_lock);


static void raq_web_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { unsigned long flags; spin_lock_irqsave(&led_value_lock, flags); if (brightness) led_value |= LED_WEB; else led_value &= ~LED_WEB; writeb(led_value, led_port); spin_unlock_irqrestore(&led_value_lock, flags); }

Contributors

PersonTokensPropCommitsCommitProp
yoichi yuasayoichi yuasa56100.00%1100.00%
Total56100.00%1100.00%

static struct led_classdev raq_web_led = { .name = "raq::web", .brightness_set = raq_web_led_set, };
static void raq_power_off_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { unsigned long flags; spin_lock_irqsave(&led_value_lock, flags); if (brightness) led_value |= LED_POWER_OFF; else led_value &= ~LED_POWER_OFF; writeb(led_value, led_port); spin_unlock_irqrestore(&led_value_lock, flags); }

Contributors

PersonTokensPropCommitsCommitProp
yoichi yuasayoichi yuasa56100.00%1100.00%
Total56100.00%1100.00%

static struct led_classdev raq_power_off_led = { .name = "raq::power-off", .brightness_set = raq_power_off_led_set, .default_trigger = "power-off", };
static int cobalt_raq_led_probe(struct platform_device *pdev) { struct resource *res; int retval; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -EBUSY; led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!led_port) return -ENOMEM; retval = led_classdev_register(&pdev->dev, &raq_power_off_led); if (retval) goto err_null; retval = led_classdev_register(&pdev->dev, &raq_web_led); if (retval) goto err_unregister; return 0; err_unregister: led_classdev_unregister(&raq_power_off_led); err_null: led_port = NULL; return retval; }

Contributors

PersonTokensPropCommitsCommitProp
yoichi yuasayoichi yuasa11691.34%133.33%
jingoo hanjingoo han86.30%133.33%
h hartley sweetenh hartley sweeten32.36%133.33%
Total127100.00%3100.00%

static struct platform_driver cobalt_raq_led_driver = { .probe = cobalt_raq_led_probe, .driver = { .name = "cobalt-raq-leds", }, }; builtin_platform_driver(cobalt_raq_led_driver);

Overall Contributors

PersonTokensPropCommitsCommitProp
yoichi yuasayoichi yuasa33694.92%228.57%
jingoo hanjingoo han82.26%114.29%
paul gortmakerpaul gortmaker30.85%114.29%
h hartley sweetenh hartley sweeten30.85%114.29%
olaf heringolaf hering20.56%114.29%
geliang tanggeliang tang20.56%114.29%
Total354100.00%7100.00%
Directory: drivers/leds
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