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 unsigned int max_brightness; 12 unsigned int dft_brightness; 13 unsigned int lth_brightness; 14 unsigned int pwm_period_ns; 15 unsigned int *levels; 16 unsigned int post_pwm_on_delay; 17 unsigned int pwm_off_delay; 18 int (*init)(struct device *dev); 19 int (*notify)(struct device *dev, int brightness); 20 void (*notify_after)(struct device *dev, int brightness); 21 void (*exit)(struct device *dev); 22 }; 23 24 #endif 25