include/linux/pwm_backlight.h

   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         /* TODO remove once all users are switched to gpiod_* API */
  18         int enable_gpio;
  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);
  24 };
  25
  26 #endif