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Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Camera Flash and Torch On/Off Trigger
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*
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* based on ledtrig-ide-disk.c
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*
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* Copyright 2013 Texas Instruments
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*
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* Author: Milo(Woogyom) Kim <milo.kim@ti.com>
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/leds.h>
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DEFINE_LED_TRIGGER(ledtrig_flash);
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DEFINE_LED_TRIGGER(ledtrig_torch);
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void ledtrig_flash_ctrl(bool on)
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{
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enum led_brightness brt = on ? LED_FULL : LED_OFF;
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led_trigger_event(ledtrig_flash, brt);
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}
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EXPORT_SYMBOL_GPL(ledtrig_flash_ctrl);
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void ledtrig_torch_ctrl(bool on)
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{
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enum led_brightness brt = on ? LED_FULL : LED_OFF;
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led_trigger_event(ledtrig_torch, brt);
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}
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EXPORT_SYMBOL_GPL(ledtrig_torch_ctrl);
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static int __init ledtrig_camera_init(void)
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{
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led_trigger_register_simple("flash", &ledtrig_flash);
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led_trigger_register_simple("torch", &ledtrig_torch);
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return 0;
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}
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module_init(ledtrig_camera_init);
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static void __exit ledtrig_camera_exit(void)
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{
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led_trigger_unregister_simple(ledtrig_torch);
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led_trigger_unregister_simple(ledtrig_flash);
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}
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module_exit(ledtrig_camera_exit);
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MODULE_DESCRIPTION("LED Trigger for Camera Flash/Torch Control");
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MODULE_AUTHOR("Milo Kim");
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MODULE_LICENSE("GPL v2");
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