1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 242796d37Seric miao /* 342796d37Seric miao * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c 442796d37Seric miao */ 542796d37Seric miao #ifndef __LINUX_PWM_BACKLIGHT_H 642796d37Seric miao #define __LINUX_PWM_BACKLIGHT_H 742796d37Seric miao 8ef0a5e80SRobert Morell #include <linux/backlight.h> 9ef0a5e80SRobert Morell 1042796d37Seric miao struct platform_pwm_backlight_data { 1142796d37Seric miao int pwm_id; 1242796d37Seric miao unsigned int max_brightness; 1342796d37Seric miao unsigned int dft_brightness; 14fef7764fSArun Murthy unsigned int lth_brightness; 1542796d37Seric miao unsigned int pwm_period_ns; 163e3ed6cdSThierry Reding unsigned int *levels; 17*3157694dSEnric Balletbo i Serra unsigned int post_pwm_on_delay; 18*3157694dSEnric Balletbo i Serra unsigned int pwm_off_delay; 19257462dbSAlexandre Courbot /* TODO remove once all users are switched to gpiod_* API */ 202b9b1620SThierry Reding int enable_gpio; 213b73125aSPhilipp Zabel int (*init)(struct device *dev); 22cfc3899fSBen Dooks int (*notify)(struct device *dev, int brightness); 23cc7993f6SDilan Lee void (*notify_after)(struct device *dev, int brightness); 243b73125aSPhilipp Zabel void (*exit)(struct device *dev); 25ef0a5e80SRobert Morell int (*check_fb)(struct device *dev, struct fb_info *info); 2642796d37Seric miao }; 2742796d37Seric miao 2842796d37Seric miao #endif 29