mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-14 16:23:51 +08:00
6039b7e87b
Fix multicolor no-ops registration by return 0, and move the same registration functions outside of #ifdef block. Signed-off-by: Gene Chen <gene_chen@richtek.com> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/* 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 */
|