diff options
author | Bryan Wu <bryan.wu@canonical.com> | 2012-03-14 02:26:56 +0800 |
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committer | Bryan Wu <bryan.wu@canonical.com> | 2012-08-01 11:22:14 +0800 |
commit | fa8bbb13ab49e77c00fa09e5504ec25b7176fb4b (patch) | |
tree | 33bea9e45b5a7ba6c68a861f7ea94446d9d0f497 /arch/arm/kernel/leds.c | |
parent | 18775a7bea8fbbebe8818db7a64aaeb40b40a0c5 (diff) | |
download | linux-fa8bbb13ab49e77c00fa09e5504ec25b7176fb4b.tar.bz2 |
ARM: use new LEDS CPU trigger stub to replace old one
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'arch/arm/kernel/leds.c')
-rw-r--r-- | arch/arm/kernel/leds.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm/kernel/leds.c b/arch/arm/kernel/leds.c deleted file mode 100644 index 1911dae19e4f..000000000000 --- a/arch/arm/kernel/leds.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * LED support code, ripped out of arch/arm/kernel/time.c - * - * Copyright (C) 1994-2001 Russell King - * - * 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/export.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/syscore_ops.h> -#include <linux/string.h> - -#include <asm/leds.h> - -static void dummy_leds_event(led_event_t evt) -{ -} - -void (*leds_event)(led_event_t) = dummy_leds_event; - -struct leds_evt_name { - const char name[8]; - int on; - int off; -}; - -static const struct leds_evt_name evt_names[] = { - { "amber", led_amber_on, led_amber_off }, - { "blue", led_blue_on, led_blue_off }, - { "green", led_green_on, led_green_off }, - { "red", led_red_on, led_red_off }, -}; - -static ssize_t leds_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t size) -{ - int ret = -EINVAL, len = strcspn(buf, " "); - - if (len > 0 && buf[len] == '\0') - len--; - - if (strncmp(buf, "claim", len) == 0) { - leds_event(led_claim); - ret = size; - } else if (strncmp(buf, "release", len) == 0) { - leds_event(led_release); - ret = size; - } else { - int i; - - for (i = 0; i < ARRAY_SIZE(evt_names); i++) { - if (strlen(evt_names[i].name) != len || - strncmp(buf, evt_names[i].name, len) != 0) - continue; - if (strncmp(buf+len, " on", 3) == 0) { - leds_event(evt_names[i].on); - ret = size; - } else if (strncmp(buf+len, " off", 4) == 0) { - leds_event(evt_names[i].off); - ret = size; - } - break; - } - } - return ret; -} - -static DEVICE_ATTR(event, 0200, NULL, leds_store); - -static struct bus_type leds_subsys = { - .name = "leds", - .dev_name = "leds", -}; - -static struct device leds_device = { - .id = 0, - .bus = &leds_subsys, -}; - -static int leds_suspend(void) -{ - leds_event(led_stop); - return 0; -} - -static void leds_resume(void) -{ - leds_event(led_start); -} - -static void leds_shutdown(void) -{ - leds_event(led_halted); -} - -static struct syscore_ops leds_syscore_ops = { - .shutdown = leds_shutdown, - .suspend = leds_suspend, - .resume = leds_resume, -}; - -static int __init leds_init(void) -{ - int ret; - ret = subsys_system_register(&leds_subsys, NULL); - if (ret == 0) - ret = device_register(&leds_device); - if (ret == 0) - ret = device_create_file(&leds_device, &dev_attr_event); - if (ret == 0) - register_syscore_ops(&leds_syscore_ops); - return ret; -} - -device_initcall(leds_init); - -EXPORT_SYMBOL(leds_event); |