kernel/drivers/gpu/drm/nouveau/nouveau_led.h

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2024-07-22 17:22:30 +08:00
/*
* Copyright 2015 Martin Peres
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Martin Peres <martin.peres@free.fr>
*/
#ifndef __NOUVEAU_LED_H__
#define __NOUVEAU_LED_H__
#include "nouveau_drv.h"
struct led_classdev;
struct nouveau_led {
struct drm_device *dev;
struct led_classdev led;
};
static inline struct nouveau_led *
nouveau_led(struct drm_device *dev)
{
return nouveau_drm(dev)->led;
}
/* nouveau_led.c */
#if IS_REACHABLE(CONFIG_LEDS_CLASS)
int nouveau_led_init(struct drm_device *dev);
void nouveau_led_suspend(struct drm_device *dev);
void nouveau_led_resume(struct drm_device *dev);
void nouveau_led_fini(struct drm_device *dev);
#else
static inline int nouveau_led_init(struct drm_device *dev) { return 0; };
static inline void nouveau_led_suspend(struct drm_device *dev) { };
static inline void nouveau_led_resume(struct drm_device *dev) { };
static inline void nouveau_led_fini(struct drm_device *dev) { };
#endif
#endif