parent
982d054c27
commit
76fdf7d7b0
@ -1,132 +0,0 @@ |
||||
/*
|
||||
* linux/drivers/leds/leds-ar7.c |
||||
* |
||||
* Copyright (C) 2007 OpenWrt.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 St, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
|
||||
#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 <gpio.h> |
||||
|
||||
#define DRVNAME "ar7-leds" |
||||
#define LONGNAME "TI AR7 LEDs driver" |
||||
#define AR7_GPIO_BIT_STATUS_LED 8 |
||||
|
||||
MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>"); |
||||
MODULE_DESCRIPTION(LONGNAME); |
||||
MODULE_LICENSE("GPL"); |
||||
|
||||
static void ar7_status_led_set(struct led_classdev *pled, |
||||
enum led_brightness value) |
||||
{ |
||||
gpio_set_value(AR7_GPIO_BIT_STATUS_LED, value ? 0 : 1); |
||||
} |
||||
|
||||
static struct led_classdev ar7_status_led = { |
||||
.name = "ar7:status", |
||||
.brightness_set = ar7_status_led_set, |
||||
}; |
||||
|
||||
#ifdef CONFIG_PM |
||||
static int ar7_leds_suspend(struct platform_device *dev, |
||||
pm_message_t state) |
||||
{ |
||||
led_classdev_suspend(&ar7_status_led); |
||||
return 0; |
||||
} |
||||
|
||||
static int ar7_leds_resume(struct platform_device *dev) |
||||
{ |
||||
led_classdev_resume(&ar7_status_led); |
||||
return 0; |
||||
} |
||||
#else /* CONFIG_PM */ |
||||
#define ar7_leds_suspend NULL |
||||
#define ar7_leds_resume NULL |
||||
#endif /* CONFIG_PM */ |
||||
|
||||
static int ar7_leds_probe(struct platform_device *pdev) |
||||
{ |
||||
int rc; |
||||
|
||||
rc = led_classdev_register(&pdev->dev, &ar7_status_led); |
||||
if (rc < 0) |
||||
goto out; |
||||
|
||||
ar7_gpio_enable(AR7_GPIO_BIT_STATUS_LED); |
||||
gpio_direction_output(AR7_GPIO_BIT_STATUS_LED, 0); |
||||
|
||||
out: |
||||
return rc; |
||||
} |
||||
|
||||
static int ar7_leds_remove(struct platform_device *pdev) |
||||
{ |
||||
led_classdev_unregister(&ar7_status_led); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static struct platform_device *ar7_leds_device; |
||||
|
||||
static struct platform_driver ar7_leds_driver = { |
||||
.probe = ar7_leds_probe, |
||||
.remove = ar7_leds_remove, |
||||
.suspend = ar7_leds_suspend, |
||||
.resume = ar7_leds_resume, |
||||
.driver = { |
||||
.name = DRVNAME, |
||||
}, |
||||
}; |
||||
|
||||
static int __init ar7_leds_init(void) |
||||
{ |
||||
int rc; |
||||
|
||||
ar7_leds_device = platform_device_alloc(DRVNAME, -1); |
||||
if (!ar7_leds_device) |
||||
return -ENOMEM; |
||||
|
||||
rc = platform_device_add(ar7_leds_device); |
||||
if (rc < 0) |
||||
goto out_put; |
||||
|
||||
rc = platform_driver_register(&ar7_leds_driver); |
||||
if (rc < 0) |
||||
goto out_put; |
||||
|
||||
goto out; |
||||
|
||||
out_put: |
||||
platform_device_put(ar7_leds_device); |
||||
out: |
||||
return rc; |
||||
} |
||||
|
||||
static void __exit ar7_leds_exit(void) |
||||
{ |
||||
platform_driver_unregister(&ar7_leds_driver); |
||||
platform_device_unregister(ar7_leds_device); |
||||
} |
||||
|
||||
module_init(ar7_leds_init); |
||||
module_exit(ar7_leds_exit); |
Loading…
Reference in new issue