summaryrefslogtreecommitdiff
path: root/include/linux/pwm_backlight.h
blob: cdd2ac366bc726d50e6f085686bb13887dbc6832 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/* 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 {
	unsigned int max_brightness;
	unsigned int dft_brightness;
	unsigned int lth_brightness;
	unsigned int pwm_period_ns;
	unsigned int *levels;
	unsigned int post_pwm_on_delay;
	unsigned int pwm_off_delay;
	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