diff options
Diffstat (limited to 'target/linux/ar71xx/files/drivers/leds/leds-rb750.c')
| -rw-r--r-- | target/linux/ar71xx/files/drivers/leds/leds-rb750.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/target/linux/ar71xx/files/drivers/leds/leds-rb750.c b/target/linux/ar71xx/files/drivers/leds/leds-rb750.c deleted file mode 100644 index 79e98b4882..0000000000 --- a/target/linux/ar71xx/files/drivers/leds/leds-rb750.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * LED driver for the RouterBOARD 750 - * - * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org> - * - * 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/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/leds.h> -#include <linux/slab.h> - -#include <asm/mach-ath79/mach-rb750.h> - -#define DRV_NAME "leds-rb750" - -struct rb750_led_dev { - struct led_classdev cdev; - u32 mask; - int active_low; - void (*latch_change)(u32 clear, u32 set); -}; - -struct rb750_led_drvdata { - struct rb750_led_dev *led_devs; - int num_leds; -}; - -static inline struct rb750_led_dev *to_rbled(struct led_classdev *led_cdev) -{ - return (struct rb750_led_dev *)container_of(led_cdev, - struct rb750_led_dev, cdev); -} - -static void rb750_led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct rb750_led_dev *rbled = to_rbled(led_cdev); - int level; - - level = (value == LED_OFF) ? 0 : 1; - level ^= rbled->active_low; - - if (level) - rbled->latch_change(0, rbled->mask); - else - rbled->latch_change(rbled->mask, 0); -} - -static int rb750_led_probe(struct platform_device *pdev) -{ - struct rb750_led_platform_data *pdata; - struct rb750_led_drvdata *drvdata; - int ret = 0; - int i; - - pdata = pdev->dev.platform_data; - if (!pdata) - return -EINVAL; - - drvdata = kzalloc(sizeof(struct rb750_led_drvdata) + - sizeof(struct rb750_led_dev) * pdata->num_leds, - GFP_KERNEL); - if (!drvdata) - return -ENOMEM; - - drvdata->num_leds = pdata->num_leds; - drvdata->led_devs = (struct rb750_led_dev *) &drvdata[1]; - - for (i = 0; i < drvdata->num_leds; i++) { - struct rb750_led_dev *rbled = &drvdata->led_devs[i]; - struct rb750_led_data *led_data = &pdata->leds[i]; - - rbled->cdev.name = led_data->name; - rbled->cdev.default_trigger = led_data->default_trigger; - rbled->cdev.brightness_set = rb750_led_brightness_set; - rbled->cdev.brightness = LED_OFF; - - rbled->mask = led_data->mask; - rbled->active_low = !!led_data->active_low; - rbled->latch_change = pdata->latch_change; - - ret = led_classdev_register(&pdev->dev, &rbled->cdev); - if (ret) - goto err; - } - - platform_set_drvdata(pdev, drvdata); - return 0; - -err: - for (i = i - 1; i >= 0; i--) - led_classdev_unregister(&drvdata->led_devs[i].cdev); - - kfree(drvdata); - return ret; -} - -static int rb750_led_remove(struct platform_device *pdev) -{ - struct rb750_led_drvdata *drvdata; - int i; - - drvdata = platform_get_drvdata(pdev); - for (i = 0; i < drvdata->num_leds; i++) - led_classdev_unregister(&drvdata->led_devs[i].cdev); - - kfree(drvdata); - return 0; -} - -static struct platform_driver rb750_led_driver = { - .probe = rb750_led_probe, - .remove = rb750_led_remove, - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS("platform:leds-rb750"); - -static int __init rb750_led_init(void) -{ - return platform_driver_register(&rb750_led_driver); -} - -static void __exit rb750_led_exit(void) -{ - platform_driver_unregister(&rb750_led_driver); -} - -module_init(rb750_led_init); -module_exit(rb750_led_exit); - -MODULE_DESCRIPTION(DRV_NAME); -MODULE_DESCRIPTION("LED driver for the RouterBOARD 750"); -MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); -MODULE_LICENSE("GPL v2"); |