1 /* 2 * Copyright 2015 Martin Peres 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Martin Peres <martin.peres@free.fr> 23 */ 24 25 #ifndef __NOUVEAU_LED_H__ 26 #define __NOUVEAU_LED_H__ 27 28 #include "nouveau_drv.h" 29 30 struct led_classdev; 31 32 struct nouveau_led { 33 struct drm_device *dev; 34 35 struct led_classdev led; 36 }; 37 38 static inline struct nouveau_led * 39 nouveau_led(struct drm_device *dev) 40 { 41 return nouveau_drm(dev)->led; 42 } 43 44 /* nouveau_led.c */ 45 #if IS_REACHABLE(CONFIG_LEDS_CLASS) 46 int nouveau_led_init(struct drm_device *dev); 47 void nouveau_led_suspend(struct drm_device *dev); 48 void nouveau_led_resume(struct drm_device *dev); 49 void nouveau_led_fini(struct drm_device *dev); 50 #else 51 static inline int nouveau_led_init(struct drm_device *dev) { return 0; }; 52 static inline void nouveau_led_suspend(struct drm_device *dev) { }; 53 static inline void nouveau_led_resume(struct drm_device *dev) { }; 54 static inline void nouveau_led_fini(struct drm_device *dev) { }; 55 #endif 56 57 #endif 58