1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
5 #ifndef __LINUX_PWM_BACKLIGHT_H
6 #define __LINUX_PWM_BACKLIGHT_H
8 #include <linux/backlight.h>
10 struct platform_pwm_backlight_data {
12 unsigned int max_brightness;
13 unsigned int dft_brightness;
14 unsigned int lth_brightness;
15 unsigned int pwm_period_ns;
17 unsigned int post_pwm_on_delay;
18 unsigned int pwm_off_delay;
19 int (*init)(struct device *dev);
20 int (*notify)(struct device *dev, int brightness);
21 void (*notify_after)(struct device *dev, int brightness);
22 void (*exit)(struct device *dev);
23 int (*check_fb)(struct device *dev, struct fb_info *info);