diff options
Diffstat (limited to 'target/linux/adm5120/files/drivers/leds/ledtrig-adm5120-switch.c')
| -rw-r--r-- | target/linux/adm5120/files/drivers/leds/ledtrig-adm5120-switch.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/target/linux/adm5120/files/drivers/leds/ledtrig-adm5120-switch.c b/target/linux/adm5120/files/drivers/leds/ledtrig-adm5120-switch.c deleted file mode 100644 index 23a54a0..0000000 --- a/target/linux/adm5120/files/drivers/leds/ledtrig-adm5120-switch.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * LED ADM5120 Switch Port State Trigger - * - * Copyright (C) 2007 Bernhard Held <bernhard at bernhardheld.de> - * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> - * - * This file was based on: drivers/leds/ledtrig-timer.c - * Copyright 2005-2006 Openedhand Ltd. - * Author: Richard Purdie - * - * 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/device.h> - -#include <linux/gpio.h> - -#include "leds.h" - -#define DRV_NAME "port_state" -#define DRV_DESC "LED ADM5120 Switch Port State Trigger" - -struct port_state { - char *name; - unsigned int value; -}; - -#define PORT_STATE(n, v) {.name = (n), .value = (v)} - -static struct port_state port_states[] = { - PORT_STATE("off", LED_OFF), - PORT_STATE("on", LED_FULL), - PORT_STATE("flash", ADM5120_GPIO_FLASH), - PORT_STATE("link", ADM5120_GPIO_LINK), - PORT_STATE("speed", ADM5120_GPIO_SPEED), - PORT_STATE("duplex", ADM5120_GPIO_DUPLEX), - PORT_STATE("act", ADM5120_GPIO_ACT), - PORT_STATE("coll", ADM5120_GPIO_COLL), - PORT_STATE("link_act", ADM5120_GPIO_LINK_ACT), - PORT_STATE("duplex_coll", ADM5120_GPIO_DUPLEX_COLL), - PORT_STATE("10M_act", ADM5120_GPIO_10M_ACT), - PORT_STATE("100M_act", ADM5120_GPIO_100M_ACT), -}; - -static ssize_t led_port_state_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct port_state *state = led_cdev->trigger_data; - int len = 0; - int i; - - *buf = '\0'; - for (i = 0; i < ARRAY_SIZE(port_states); i++) { - if (&port_states[i] == state) - len += sprintf(buf+len, "[%s] ", port_states[i].name); - else - len += sprintf(buf+len, "%s ", port_states[i].name); - } - len += sprintf(buf+len, "\n"); - - return len; -} - -static ssize_t led_port_state_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t size) -{ - struct led_classdev *led_cdev = dev_get_drvdata(dev); - size_t len; - int i; - - for (i = 0; i < ARRAY_SIZE(port_states); i++) { - len = strlen(port_states[i].name); - if (strncmp(port_states[i].name, buf, len) != 0) - continue; - - if (buf[len] != '\0' && buf[len] != '\n') - continue; - - led_cdev->trigger_data = &port_states[i]; - led_set_brightness(led_cdev, port_states[i].value); - return size; - } - - return -EINVAL; -} - -static DEVICE_ATTR(port_state, 0644, led_port_state_show, - led_port_state_store); - -static void adm5120_switch_trig_activate(struct led_classdev *led_cdev) -{ - struct port_state *state = port_states; - int rc; - - led_cdev->trigger_data = state; - - rc = device_create_file(led_cdev->dev, &dev_attr_port_state); - if (rc) - goto err; - - led_set_brightness(led_cdev, state->value); - - return; -err: - led_cdev->trigger_data = NULL; -} - -static void adm5120_switch_trig_deactivate(struct led_classdev *led_cdev) -{ - struct port_state *state = led_cdev->trigger_data; - - if (!state) - return; - - device_remove_file(led_cdev->dev, &dev_attr_port_state); - -} - -static struct led_trigger adm5120_switch_led_trigger = { - .name = DRV_NAME, - .activate = adm5120_switch_trig_activate, - .deactivate = adm5120_switch_trig_deactivate, -}; - -static int __init adm5120_switch_trig_init(void) -{ - led_trigger_register(&adm5120_switch_led_trigger); - return 0; -} - -static void __exit adm5120_switch_trig_exit(void) -{ - led_trigger_unregister(&adm5120_switch_led_trigger); -} - -module_init(adm5120_switch_trig_init); -module_exit(adm5120_switch_trig_exit); - -MODULE_AUTHOR("Bernhard Held <bernhard at bernhardheld.de>, " - "Gabor Juhos <juhosg@openwrt.org>"); -MODULE_DESCRIPTION(DRV_DESC); -MODULE_LICENSE("GPL v2"); |