1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
4  */
5 #ifndef __LINUX_PWM_BACKLIGHT_H
6 #define __LINUX_PWM_BACKLIGHT_H
7 
8 #include <linux/backlight.h>
9 
10 struct platform_pwm_backlight_data {
11 	int pwm_id;
12 	unsigned int max_brightness;
13 	unsigned int dft_brightness;
14 	unsigned int lth_brightness;
15 	unsigned int pwm_period_ns;
16 	unsigned int *levels;
17 	unsigned int post_pwm_on_delay;
18 	unsigned int pwm_off_delay;
19 	/* TODO remove once all users are switched to gpiod_* API */
20 	int enable_gpio;
21 	int (*init)(struct device *dev);
22 	int (*notify)(struct device *dev, int brightness);
23 	void (*notify_after)(struct device *dev, int brightness);
24 	void (*exit)(struct device *dev);
25 	int (*check_fb)(struct device *dev, struct fb_info *info);
26 };
27 
28 #endif
29