Release 4.16 include/linux/pwm_backlight.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
 */
#ifndef __LINUX_PWM_BACKLIGHT_H

#define __LINUX_PWM_BACKLIGHT_H

#include <linux/backlight.h>


struct platform_pwm_backlight_data {
	
int pwm_id;
	
unsigned int max_brightness;
	
unsigned int dft_brightness;
	
unsigned int lth_brightness;
	
unsigned int pwm_period_ns;
	
unsigned int *levels;
	/* TODO remove once all users are switched to gpiod_* API */
	
int enable_gpio;
	
int (*init)(struct device *dev);
	
int (*notify)(struct device *dev, int brightness);
	
void (*notify_after)(struct device *dev, int brightness);
	
void (*exit)(struct device *dev);
	
int (*check_fb)(struct device *dev, struct fb_info *info);
};

#endif
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Directory: include/linux

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