Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> 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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