1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* LED Multicolor class interface
3 * Copyright (C) 2019-20 Texas Instruments Incorporated - http://www.ti.com/
6 #ifndef _LINUX_MULTICOLOR_LEDS_H_INCLUDED
7 #define _LINUX_MULTICOLOR_LEDS_H_INCLUDED
9 #include <linux/leds.h>
10 #include <dt-bindings/leds/common.h>
13 unsigned int color_index;
14 unsigned int brightness;
15 unsigned int intensity;
19 struct led_classdev_mc {
20 /* led class device */
21 struct led_classdev led_cdev;
22 unsigned int num_colors;
24 struct mc_subled *subled_info;
27 static inline struct led_classdev_mc *lcdev_to_mccdev(
28 struct led_classdev *led_cdev)
30 return container_of(led_cdev, struct led_classdev_mc, led_cdev);
33 #if IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR)
35 * led_classdev_multicolor_register_ext - register a new object of led_classdev
36 * class with support for multicolor LEDs
37 * @parent: the multicolor LED to register
38 * @mcled_cdev: the led_classdev_mc structure for this device
39 * @init_data: the LED class multicolor device initialization data
41 * Returns: 0 on success or negative error value on failure
43 int led_classdev_multicolor_register_ext(struct device *parent,
44 struct led_classdev_mc *mcled_cdev,
45 struct led_init_data *init_data);
47 static inline int led_classdev_multicolor_register(struct device *parent,
48 struct led_classdev_mc *mcled_cdev)
50 return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL);
54 * led_classdev_multicolor_unregister - unregisters an object of led_classdev
55 * class with support for multicolor LEDs
56 * @mcled_cdev: the multicolor LED to unregister
58 * Unregister a previously registered via led_classdev_multicolor_register
61 void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev);
63 /* Calculate brightness for the monochrome LED cluster */
64 int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev,
65 enum led_brightness brightness);
67 int devm_led_classdev_multicolor_register_ext(struct device *parent,
68 struct led_classdev_mc *mcled_cdev,
69 struct led_init_data *init_data);
71 static inline int devm_led_classdev_multicolor_register(struct device *parent,
72 struct led_classdev_mc *mcled_cdev)
74 return devm_led_classdev_multicolor_register_ext(parent, mcled_cdev,
78 void devm_led_classdev_multicolor_unregister(struct device *parent,
79 struct led_classdev_mc *mcled_cdev);
82 static inline int led_classdev_multicolor_register_ext(struct device *parent,
83 struct led_classdev_mc *mcled_cdev,
84 struct led_init_data *init_data)
89 static inline int led_classdev_multicolor_register(struct device *parent,
90 struct led_classdev_mc *mcled_cdev)
92 return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL);
95 static inline void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev) {};
96 static inline int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev,
97 enum led_brightness brightness)
102 static inline int devm_led_classdev_multicolor_register_ext(struct device *parent,
103 struct led_classdev_mc *mcled_cdev,
104 struct led_init_data *init_data)
109 static inline int devm_led_classdev_multicolor_register(struct device *parent,
110 struct led_classdev_mc *mcled_cdev)
112 return devm_led_classdev_multicolor_register_ext(parent, mcled_cdev,
116 static inline void devm_led_classdev_multicolor_unregister(struct device *parent,
117 struct led_classdev_mc *mcled_cdev)
120 #endif /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */
121 #endif /* _LINUX_MULTICOLOR_LEDS_H_INCLUDED */