mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.3 KiB
109 lines
3.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* LED Multicolor class interface |
|
* Copyright (C) 2019-20 Texas Instruments Incorporated - http://www.ti.com/ |
|
*/ |
|
|
|
#ifndef _LINUX_MULTICOLOR_LEDS_H_INCLUDED |
|
#define _LINUX_MULTICOLOR_LEDS_H_INCLUDED |
|
|
|
#include <linux/leds.h> |
|
#include <dt-bindings/leds/common.h> |
|
|
|
struct mc_subled { |
|
unsigned int color_index; |
|
unsigned int brightness; |
|
unsigned int intensity; |
|
unsigned int channel; |
|
}; |
|
|
|
struct led_classdev_mc { |
|
/* led class device */ |
|
struct led_classdev led_cdev; |
|
unsigned int num_colors; |
|
|
|
struct mc_subled *subled_info; |
|
}; |
|
|
|
static inline struct led_classdev_mc *lcdev_to_mccdev( |
|
struct led_classdev *led_cdev) |
|
{ |
|
return container_of(led_cdev, struct led_classdev_mc, led_cdev); |
|
} |
|
|
|
#if IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) |
|
/** |
|
* led_classdev_multicolor_register_ext - register a new object of led_classdev |
|
* class with support for multicolor LEDs |
|
* @parent: the multicolor LED to register |
|
* @mcled_cdev: the led_classdev_mc structure for this device |
|
* @init_data: the LED class multicolor device initialization data |
|
* |
|
* Returns: 0 on success or negative error value on failure |
|
*/ |
|
int led_classdev_multicolor_register_ext(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev, |
|
struct led_init_data *init_data); |
|
|
|
/** |
|
* led_classdev_multicolor_unregister - unregisters an object of led_classdev |
|
* class with support for multicolor LEDs |
|
* @mcled_cdev: the multicolor LED to unregister |
|
* |
|
* Unregister a previously registered via led_classdev_multicolor_register |
|
* object |
|
*/ |
|
void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev); |
|
|
|
/* Calculate brightness for the monochrome LED cluster */ |
|
int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev, |
|
enum led_brightness brightness); |
|
|
|
int devm_led_classdev_multicolor_register_ext(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev, |
|
struct led_init_data *init_data); |
|
|
|
void devm_led_classdev_multicolor_unregister(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev); |
|
#else |
|
|
|
static inline int led_classdev_multicolor_register_ext(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev, |
|
struct led_init_data *init_data) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev) {}; |
|
static inline int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev, |
|
enum led_brightness brightness) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline int devm_led_classdev_multicolor_register_ext(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev, |
|
struct led_init_data *init_data) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void devm_led_classdev_multicolor_unregister(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev) |
|
{}; |
|
|
|
#endif /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */ |
|
|
|
static inline int led_classdev_multicolor_register(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev) |
|
{ |
|
return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL); |
|
} |
|
|
|
static inline int devm_led_classdev_multicolor_register(struct device *parent, |
|
struct led_classdev_mc *mcled_cdev) |
|
{ |
|
return devm_led_classdev_multicolor_register_ext(parent, mcled_cdev, |
|
NULL); |
|
} |
|
|
|
#endif /* _LINUX_MULTICOLOR_LEDS_H_INCLUDED */
|
|
|