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