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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-06 15:41:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-06 15:41:42 -0700 |
commit | 2b69703fea185bb0ae1af78ca2da41af677b9dff (patch) | |
tree | 26b13044a0a20bed5525638d193e776f31f70af2 /drivers/leds/trigger/ledtrig-ide-disk.c | |
parent | 30c67e93c526639aaac90fa873800104b7c16d16 (diff) | |
parent | df92d5ff5e70999274f53884cc2c40ae620a109a (diff) |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem updates from Bryan Wu:
- move LED trigger drivers into a new directory
- lp55xx common driver updates
- other led drivers updates and bug fixing
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: leds-asic3: switch to using SIMPLE_DEV_PM_OPS
leds: leds-bd2802: add CONFIG_PM_SLEEP to suspend/resume functions
leds: lp55xx: configure the clock detection
leds: lp55xx: use common clock framework when external clock is used
leds: leds-ns2: fix oops at module removal
leds: leds-pwm: Defer led_pwm_set() if PWM can sleep
leds: lp55xx: fix the sysfs read operation
leds: lm355x, lm3642: support camera LED triggers for flash and torch
leds: add camera LED triggers
leds: trigger: use inline functions instead of macros
leds: tca6507: Use of_match_ptr() macro
leds: wm8350: Complain if we fail to reenable DCDC
leds: renesas: set gpio_request_one() flags param correctly
leds: leds-ns2: set devm_gpio_request_one() flags param correctly
leds: leds-lt3593: set devm_gpio_request_one() flags param correctly
leds: leds-bd2802: remove erroneous __exit annotation
leds: atmel-pwm: remove erroneous __exit annotation
leds: move LED trigger drivers into new subdirectory
leds: add new LP5562 LED driver
Diffstat (limited to 'drivers/leds/trigger/ledtrig-ide-disk.c')
-rw-r--r-- | drivers/leds/trigger/ledtrig-ide-disk.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/leds/trigger/ledtrig-ide-disk.c b/drivers/leds/trigger/ledtrig-ide-disk.c new file mode 100644 index 00000000000..2cd7c0cf592 --- /dev/null +++ b/drivers/leds/trigger/ledtrig-ide-disk.c @@ -0,0 +1,47 @@ +/* + * LED IDE-Disk Activity Trigger + * + * Copyright 2006 Openedhand Ltd. + * + * Author: Richard Purdie <rpurdie@openedhand.com> + * + * 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/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/leds.h> + +#define BLINK_DELAY 30 + +DEFINE_LED_TRIGGER(ledtrig_ide); +static unsigned long ide_blink_delay = BLINK_DELAY; + +void ledtrig_ide_activity(void) +{ + led_trigger_blink_oneshot(ledtrig_ide, + &ide_blink_delay, &ide_blink_delay, 0); +} +EXPORT_SYMBOL(ledtrig_ide_activity); + +static int __init ledtrig_ide_init(void) +{ + led_trigger_register_simple("ide-disk", &ledtrig_ide); + return 0; +} + +static void __exit ledtrig_ide_exit(void) +{ + led_trigger_unregister_simple(ledtrig_ide); +} + +module_init(ledtrig_ide_init); +module_exit(ledtrig_ide_exit); + +MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>"); +MODULE_DESCRIPTION("LED IDE Disk Activity Trigger"); +MODULE_LICENSE("GPL"); |