LXR linux/include/linux/pwm

   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
  10struct 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